Caterpillar Performance Handbook

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Caterpillar Performance Handbook
TIRES
Caterpillar
Performance
Handbook
®
Edition 44
800.437.4228
www.hawthornecat.com
© 2014 Caterpillar. All Rights Reserved. CAT, CATERPILLAR, BUILT FOR IT, their respective logos, “Caterpillar Yellow,” the “Power Edge” trade dress as well as
corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.
TIRES
CONTENTS
SELECTION, APPLICATION, MAINTENANCE
Selection, Application, Maintenance . . . . . . . . . . 32-1
Tire Construction . . . . . . . . . . . . . . . . . . . . . . . . . 32-2
Bias Ply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-2
Radial Ply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-3
Tire Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-3
Tire Size Nomenclature . . . . . . . . . . . . . . . . . . . . . 32-3
Code Identification for
Off-Highway Tires . . . . . . . . . . . . . . . . . . . . . . . 32-4
Manufacturers’ Designations –
Firestone, Goodyear/Dunlop,
Bridgestone, Michelin . . . . . . . . . . . . . . . . . . 32-5
Titan, Triangle, Eurotire, Yokohama . . . . . . . .32-10
Nokian, Belshina, Pirelli, Double Coin . . . . . 32-13
Radial Tire Identification:
Michelin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-15
Goodyear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-16
Bridgestone . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-17
Ton-Kilometer Per Hour Rating System . . . . . . 32-18
Tire Drive-Away Recommendations . . . . . . . . . . .32-19
TKPH Ratings
– Goodyear Tires . . . . . . . . . . . . . . . . . . . . . . . 32-20
– Bridgestone Tires . . . . . . . . . . . . . . . . . . . . . 32-31
– Michelin Tires . . . . . . . . . . . . . . . . . . . . . . . . 32-39
– Triangle Tires . . . . . . . . . . . . . . . . . . . . . . . . 32-50
– Eurotire Tires . . . . . . . . . . . . . . . . . . . . . . . . 32-52
ISO Load Index Speed Symbol
– Michelin Tires . . . . . . . . . . . . . . . . . . . . . . . . 32-47
Tire and Rim Association Ratings . . . . . . . . . . . 32-53
Tire Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-53
Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32-55
Standard Cold Inflation Pressures . . . . . . . . . 32-56
Liquid Ballasting Table . . . . . . . . . . . . . . . . . . . . .32-74
Proper tire selection, application and maintenance
continue to be the most important factors in earthmoving
economics. Wheel tractors, loaders, scrapers, trucks, motor
graders, etc. are earthmoving equipment whose productivity and payload unit cost may depend more on tire performance than any other factor.
Off-the-road tires must operate under a wide variety of
conditions ranging from dry “potato dirt” through wet
severe shot rock. Speed conditions vary from less than
1 mph average to 72 km/h (45 mph). Gradients may vary
from 75% favorable to 30% adverse. Climatic conditions,
operator skills, maintenance practices, etc. all may have
a profound effect on tire life and unit costs.
Although one specific tire construction may be acceptable in a variety of applications, no one tire can meet all
requirements on any one machine and perhaps not even
one job. The many differences in tire requirements on
earthmoving machines have resulted in a wide variety of
tread and casing designs being made available. The optimum tire selection for a specific machine on a given job
should be a joint decision between the user and tire supplier. Several tire manufacturers have technical and application representatives in the field for proper guidance in
tire selection.
When job conditions change, it may be desirable to
select a different tire configuration to meet the new
requirements.
32
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Tires
Tire Construction
● Bias Ply
TIRE CONSTRUCTION
The pneumatic tire is essentially a flexible pressure
vessel utilizing structural members (nylon, steel cable, etc.)
to contain the hoop tension resulting from the inflation
pressure. Rubber is utilized as a protective coating and
sealant over the structural members and makes up the
tread pattern which provides the wearing medium at the
ground interface. The following brief explanation of the
various tire constructions will assist you in selecting tires
for your specific application.
Two distinct tire constructions approved on all Cat®
machines are the BIAS PLY and RADIAL PLY tires.
Radial tires are designated by an “R” while a “-” represents
a Bias constructed tire. For example, a 45/65-45 tire
would be of Bias construction and a 45/65R45 would be of
Radial construction. The following is a brief explanation
of the principal features of these two constructions.
Bias Ply
1. Beads – The tire beads consist of steel wirebundles
(3 or 4 in larger tires) which are forced laterally by tire
inflation pressure to wedge the tire firmly on the rim’s
tapered bead seat. The nylon plies tie into the bead
bundles. The forces inherent in the tire are transmitted
from the rim through the bead bundles into the
nylon.
2. Body plies – Layers of rubber-cushioned nylon cord
comprise the tire casing. Alternating plies of cord
cross the tread centerline at an angle (bias). The term
“ply rating” is an index of tire strength and not the
actual number of tire plies.
32-2
Bias Ply Construction
3. Breakers or tread plies – These, if used, are confined
to the tire’s tread area and are intended to improve
casing strength and provide additional protection to
the body plies. Some “work” tires employ steel breakers
or belts to further protect the casing.
4. Sidewalls – These are the protective rubber layers
covering the body plies in the sidewall.
5. Tread – The wearing part of the tire that contacts the
ground. It transmits the machine weight to the ground
and provides traction and flotation.
6. Inner liner – This is the sealing medium that retains
the air and, combined with the “O” ring seal and rim
base, eliminates the need for inner tubes and flaps.
7. Tubes and flaps (not shown) – Required if the tire is
not of tubeless construction with an inner liner.
8. Undertread – Protective rubber cushion lying between
tread and body ply.
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Tire Construction
● Radial Ply
Tire Types
Tire Size Nomenclature
Radial Ply
Tires
TIRE TYPES
Off-the-road tires are classified by application in one
of the following three categories:
1. Transport tire – For earthmoving machines that
transport material such as trucks and wheel tractors.
2. Work tire – Normally applied to slow moving earthmoving machines such as graders and loaders.
3. Load and carry – Wheel loaders engaged in transporting
as well as digging.
TIRE SIZE NOMENCLATURE
Radial Ply Construction
1. Beads – A single bead bundle of steel cables or steel
strip (spiraled like a clock spring) comprise the bead
at each rim interface.
2. Radial casing – This consists of a single layer or ply
of steel cables laid archwise (on the radian) bead to
bead.
3. Belts – Several layers or plies of steel cable form the
belts which underlie the tread area around the tire
circumference. The cable in each belt crosses the
tread centerline at an angle with the angle being
reversed from the preceding belt.
4. Sidewalls.
5. Tread.
6. Undertread – Protective rubber cushion lying between
tread and steel belts.
Bias and Radial Tire Advantages
Bias
Radial
Tread Life
X
Heat Resistance
X
Cut Resistance — Tread
Cut Resistance — Side Wall
X
X
Traction
1. A wide base tire has a section height to section width
ratio in the range of 0.83. As an example, a 29.5-25 tire
has an approximate cross section width of 749 mm
(29.5") (first number) and a rim diameter of 635 mm
(25") (second number).
2. A conventional tire has a section height to section
width ratio in the range of 0.96. As an example, a
24.00R35 tire has an approximate cross section width
of 610 mm (24") (first number) and a rim diameter
of 889 mm (35") (second number).
3. A low profile tire has a section height to section width
ratio in the range of 0.65. As an example, a 45/65-45
tire has an approximate cross section width of 1143 mm
(45") (first number), a 65% aspect ratio designated as
65 (second number), and a rim diameter of 1143 mm
(45") (third number).
If designated 45/65 R39, then the R denotes radial
construction.
When comparing a wide base tire to a standard base
tire, a larger first number on a wide base tire with the same
rim diameter does not mean the wide base is larger in
overall diameter. For example, the 18.00-25 conventional
tire is larger in diameter than the 20.5-25 wide base tire.
The 18.00-25 is comparable in overall diameter to the
23.5-25 wide base tire.
X
X
Fuel Economy
X
Repairability
X
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32
X
Flotation
Stability
X
Tire size nomenclature is derived from the approximate
cross section width and rim diameter typically in the
format of Tire Width, Aspect Ratio, and Rim Diameter
(example: 45/65-45). Available tire types include:
32-3
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Tires
Off-Highway Tire Identification Codes
The sub-categories are designated by numerals, as
follows:
Code Identification
Tire cross-section
D
R
H
S
W
H
S
=
=
=
=
=
Tire Overall Diameter
Nominal Rim Diameter
Tire Section Height
Tire Section Width
Tire Width (includes ornamental ribs)
= Aspect Ratio
CODE IDENTIFICATION FOR
OFF-HIGHWAY TIRES
The tire industry has adopted a code identification
system to be used for off-the-road tires. This identification
system will reduce the confusion caused by the trade
names for each type of tire offered by each tire manufacturer. The industry code identification is divided into six
main categories by types of service as follows:
C — Compactor Service
E — Earthmover Service
G — Grader Service
L — Loader and Dozer Service
LS — Log-Skidder Service
F — Industrial
R — Agricultural Tractor
I — Agricultural Implement
32-4
Compactor
C-1
Smooth
C-2
Grooved
Earthmover
E-1
Rib
E-2
Traction
E-3
Rock
E-4
Rock Deep Tread
E-7
Flotation
Grader
G-1
Rib
G-2
Traction
G-3
Rock
G-4
Rock Deep Tread
Loader and Dozer
L-2
Traction
L-3
Rock
L-4
Rock Deep Tread
L-5
Rock Extra Deep Tread
L-3S
Smooth
L-4S
Smooth Deep Tread
L-5S
Smooth Extra Deep Tread
L-5/L-5S Half Tread Extra Deep
Log-Skidders
LS-1
Regular Tread
LS-2
Intermediate Tread
LS-3
Deep Tread
HF-4
Extra Deep Tread
Industrial
F-3
Traction Tread
Agricultural Tractor
R-1
Regular Tread
R-3
Shallow Tread
R-4
Industrial Tractor
Agricultural Implement
I-3
Tractor Tread
% Tread
Depth
100
100
100
100
100
150
80
100
100
100
150
100
100
150
250
100
150
250
250
100
125
150
250
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Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
C-1
Ribbed (Smooth
Surfaces)
C-2
Traction (Regular)
FIRESTONE
GOODYEAR/
DUNLOP*
Compactor
SMC-1A
BRIDGESTONE
RR
Tires
MICHELIN
X LISSE COMPACTEUR
AL2
Earthmover
E-1
Ribbed (Smooth
Surfaces)
HRR-1A
XDR-1A
E-2
Traction (Regular)
SGG LD (E2/L2)
Custom HI-MILLER (CHM)
MC-1A
RL-2F (E2/G2)
SG Lug
SGL-2A
SGL E/L-2A (E2/G2/L2)
VFT
VGT
VHB
VHS
VKT (E2/G2/L2)
VSB
X-CRANE AT
XGC
XMH S
XR B (E2/E3)
XR C4 (E2/E3)
XSNOPLUS 170E
XTLA (E2/G2/L2)
XVC
E-3
Rock (Regular)
E67
SRG LD
AT-2A (E3/L3)
GP-2B (E3/G3/L3)
GP-3D (E3/L3)
HRL-3A (E3/L3)
HRL-3B
HRL-3C
HRL-3F
HRL D/L-3A (E3/G3/L3)
HRL E/L-3A (E3/G3/L3)
RL-2+ (E3/G3/L3)
RL-3
RL-3+
RL-3F (E3/L3)
RL-3J (E3/L3)
RT-3A+
RT-3B (E3/L3)
SHRL (E3/L3)
SHRL 8
TL-3A+ (E3/L3)
UMS D/L-3A (E3/L3)
UMS-3A (E3/L3)
WRL-3A (E3/L3)
RL (E3/G3/L3)
VEL
VL2 (E3/L3)
VLT
VMT
VRD
VRF
VRL
WL
XAD 65-1
XADN
XDM C4
XDR S
XK A (L3 for 25" Rim)
XMS
XR B/XRC4 (E2/E3)
X-STRADDLE
X-TRACTION S
XTS
*Dunlop brand indicator.
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Tires
Manufacturer’s Designation
Tire and Rim
Assoc. Code
E-4
Tread Type
Rock (Deep Tread)
FIRESTONE
SRG DT
GOODYEAR/
DUNLOP*
Earthmover
BRIDGESTONE
GP-4B
GP-4C (E4/L4)
GP-4D (E4/L4)
HRL-4A
HRL-4B
MRL-4B
MRL-4D
MRL-4F
NRL D/L-4A (E4/L4)
RL-4
RL-4A
RL-4B
RL-4F
RL-4C
RL-4H
RL-4H II
RL-4J
RL-4J II
RL-4L
RL-4M+
RT-4A
RT-4A+
ELS2
L317
RLS (E4/L4)
VELS
VLTS (E4/L4)
VMTP
VMTS (E4/G4)
VRDP
VREP
VRLS
VRPS
VRQP
VSNT (E4/L4)
VZTP
VZTS
SCP2
VSJ
E-5
Rock (Extra-Deep
Tread)
E-7
Flotation
EAW-7A
SAW-7A
SHY-7A
SRB-7A
SRB-7B
G-1
Ribbed
(Smooth Surfaces)
AWG-1A
RBG-1A
SMG-1A
G-2
Traction (Regular)
G-3
Rock (Regular)
G-4
Rock (Deep Tread)
G-5
Rock (Extra-Deep
Tread)
HRL D/L-5A
Smooth (Extra-Deep
Tread)
SMO D/L-5A (G5S/L5S)
SMO D/L-5B (G5S/L5S)
MICHELIN
X® SUPER TERRAIN AD
XDM™ B
XDR™
XDR™2
XDT™
X-HAUL®
XKD1™
X-Quarry®/X-Quarry® S
XRS™
X-TRACTION™
Grader
G-5S
SGG RB (G2/L2)
SRG DT RB
AS-3A (G2/L3)
ASG-2A
RL-2F (E2/G2)
SG-2B
SGG-2A
SGG-2A SG
SGL D/L-2A (G2/L2)
SGL E/L-2A (E2/G2/L2)
SP-T9* (G2/L2)
FG (G2/L2)
VKT (E2/G2/L2)
VSW (G2/L2)
VUT (G2/L2)
XGLA2™ (G2/L2)
XSNOPLUS® M&S
(G2/L2)
XTLA™ (E2/G2/L2)
GP-2B (E3/G3/L3)
HRL E/L-3A (E3/G3/L3)
RKG-3A
RKG-3C
RL-2+ (E3/G3/L3)
RL (E3/G3/L3)
XR™ A (G3/L3)
SGG-4B
*Dunlop brand indicator.
32-6
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Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
GOODYEAR/
FIRESTONE
DUNLOP*
Loader and Dozer
BRIDGESTONE
Tires
MICHELIN
L-2
Traction (Regular)
SGG LD (E2/L2)
SGG RB (G2/L2)
E91*
E91-2*
SGL D/L-2A (G2/L2)
SGL E/L-2A (E2/G2/L2)
SP-T9* (G2/L2)
FG (G2/L2)
VKT (E2/G2/L2)
VSW (G2/L2)
VUT (G2/L2)
XF™
XGLA2™ (G2/L2)
XSNOPLUS® M&S
(G2/L2)
XTLA™ (E2/G2/L2)
L-3
Rock (Regular)
SRG LD
AS-3A (G2/L3)
AT-2A (E3/L3)
ELV-3A (I3/L3)
GP-2B (E3/G3 /L3)
GP-3D (E3/L3)
HRL D/L-3A (G3/L3)
HRL D/L-3B
HRL D/L-3C
HRL E/L-3A (E3/G3/L3)
HRL-3A (E3/L3)
RL-2+ (E3/G3/L3)
RL-3F (E3/L3)
RL-3J (E3/L3)
RT-3B (E3/L3)
SHRL (E3/L3)
SHRL D/L
TL-3A+ (E3/L3)
UMS D/L-3A (E3/L3)
UMS-3A (E3/L3)
WRL-3A (E3/L3)
RL (E3/G3/L3)
VCH
VJT
VL2 (E3/L3)
VTS
STABIL'X® X
STACKER™
STABIL'X® XZM™ 2
STABIL'X® XZM™
STABIL'X® XZSL®
XHA™
XHA™ 2
XK® A (E3 for 24" Rim)
XLD® L3
XR™ A (G3/L3)
XRDN™ A
L-4
Rock (Deep Tread)
DLDT
SRG DT LD
AMS D/L-4/15C
AMS-4/5A
DMS D/L-4/15C
DRL-4/15C
GP-4C (E4/L4)
GP-4D (E4/L4)
HRL D/L-4/15C
HRL D/L-4A
HRL D/L-4B
HRL D/L-4G
NDL D/L-4/15C
NRL D/L-4/15C
NRL D/L-4A (E4/L4)
NRL D/L-4D
RL-4D
RL-4K
SHRL XT D/L
NL
RLS (E4/L4)
VCHD
VCHS
VLTS (E4/L4)
VSNL
VSNT (E4/L4)
XLD® D1
32
*Dunlop brand indicator.
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Tires
Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
GOODYEAR/
FIRESTONE
DUNLOP*
Loader and Dozer
L-5
Rock (Extra-Deep
Tread)
DLSDT
SDT LD
Duraforce MH
AMS D/L-5/15C
AMS D/L-5/8H
AMS D/L-5/9A
AMS-5/11F
AMS-5/15C
AMS-5/8F
DMS D/L-5/15C
DRL D/L-5A
HRL D/L-5A (G5/L5)
HRL D/L-5B
HRL D/L-5C
NDL D/L-5/15C
NRL D/L-5/15C
NRL D/L-5A
RL-5K
RT-5C
SXT D/L
SXT LDR
L-3S
Smooth (Regular)
PLTD Industrial
RL-3S (Smooth)
SMO D/L-3A (Smooth)
L-4S
Smooth (Deep Tread)
PLTD
PLTD UMS
NSM D/L-4B
SMO D/L-4A
SMO D/L-4B
SMO-4B
L-5S
Smooth (Extra-Deep
Tread)
PTLD Industrial
PTLD UMS
DLPT
NSM D/L-5B
RL-5S
SM-5A
SMO D/L-5A (G5S/L5S)
SMO D/L-5B (G5S/L5S)
SMO D/L-5C
SMO D/L-5D
SMO-5A
SMO-5B
SMO-5C
SMO-5D
L-6S
Smooth (Extra-Deep
Tread)
DuraWaste
L-5/L-5S
Rock/Smooth
(Extra-Deep Tread)
HTLD
BRIDGESTONE
MICHELIN
DL
VSDL
VSDT
X MINE® D2
XLD® D2
STMS
VSMS
XSM® D2+
*Dunlop brand indicator.
32-8
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Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
FIRESTONE
Soil Compactor
R-1
Ribbed (Smooth
Surfaces)
Field and Road
Performer 85
Radial 23
Radial 9100
Radial All Traction
Super All Traction
Super All Traction II
Traction Field and Road
R-3
Rock (Regular)
All Non-Skid Tractor
Farm Service DIA
Turf and Field
GOODYEAR/
DUNLOP*
BRIDGESTONE
Tires
MICHELIN
SFT105
Log Skidder
LS-1
LS-2
Intermediate
LS-3
Deep
HF-4
Extra Deep
Forestry Special CRC
Forestry Special Severe
Service
TGS
Backhoe Loader
F-3
Industrial Multiple-Rib
Industrial Special
I-3
Traction
All Traction Utility
Power Implement
Super Traction Loader
I-4
Industrial
R-4
Drive Wheel, Industrial
Tractor
SS
Regular
MCS
Regular
All Traction Utility
Laborer
Industrial Sure Grip
IT510
IT525
SG Lug
YS2
XM27™
XM47™
XMCL™
Skid Steer
IT323
LS
SGL
SGL SS
High Speed Crane
*Dunlop brand indicator.
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Tires
Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
TITAN
TRIANGLE
Compactor
EUROTIRE
YOKOHAMA
C-1
Ribbed (Smooth Surfaces)
C-2
Traction (Regular)
Y69 (C1/I4/L4S/L5S)
E-1
Ribbed (Smooth Surfaces)
E-2
Traction (Regular)
TGD2 (E2/L2)
TB515 (E2/G2/L2)
TB536 (E2/G2/L2)
TB586
TM518 (E2/L2)
TL508 (E2/L2)
E-3
Rock (Regular)
007 MFT (E3/E4)
CM100
Grizz 1000
LCM
MXL (E3/L3)
ND LCM
ND LCM MCS
SL 100
STL2+
STL3
Super Rigger
XG-3
TB516 (E3/L3)
TB526
TB598 (E3/L3)
TL528 (E3/L3)
TL559
TL568+
U-11
U-12
RB31 (E3/L3)
RL31 (E3/L3)
RT31 (E3/L3)
Y529
Y565
Y67 (E3/G3/I3/L3)
E-4
Rock (Deep Tread)
007 MFT (E3/E4)
CH 150 (E4/L4)
CM 150
DTE4
DTH4
ND Super LCM
Quarry Special
CM 150
Super LCM
TB516S
TB526S
TB598S
TL558S
DR004
LR004 (E4/L4)
ETRAC
ETRAC ADT
EROCK
U-11
U-12
U-14
RB41
RB42
RL42
RL45 (E4/L4)
RT41 (E4/L4)
Y522 (E4/L4)
Y523 (E4/I4)
Y523R/U
Y530
Y567
E-5
Rock (Extra-Deep Tread)
E-7
Flotation
Earthmover
Y41
Super Sand Flotation
Y103 (E2/G2/L2)
Y65
Grader
G-1
Ribbed (Smooth Surfaces)
G-2
Traction (Regular)
G-3
Rock (Regular)
G-4
Rock (Deep Tread)
G-5
Rock (Extra-Deep Tread)
G-5S
32-10
Grader HD (G2/L2)
TB515 (E2/G2/L2)
HD 2000 II
TB536 (E2/G2/L2)
Loader Grader III
(G2/L2)
LSW G8L
Super Grader (G2/L2)
TG2
TGL2 (G2/L2)
TGS2
RT21
Y103 (E2/G2/L2)
Y25
Y67 (E3/G3/I3/L3)
Smooth (Extra-Deep Tread)
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Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
TITAN
Loader and Dozer
TRIANGLE
EUROTIRE
Tires
YOKOHAMA
L-2
Traction (Regular)
Grader HD (G2/L2)
Lift Rigger II
Loader Dozer II
Loader Grader III
(G2/L2)
Super Grader (G2/L2)
TGD2 (E2/L2)
TGL2 (G2/L2)
TB515 (E2/G2/L2)
TB536 (E2/G2/L2)
TM518 (E2/L2)
TL508 (E2/L2)
L-3
Rock (Regular)
LCM
LD 100
MXL (E3/L3)
ND LCM
STL2+ (E3/L3)
STL3 (E3/L3)
Super Rigger (E3/L3)
TB516 (E3/L3)
TB598 (E3/L3)
TL528 (E3/L3)
L-4
Rock (Deep Tread)
CH 150 (E4/L4)
CM 150
LD 150
LS 150
Super LCM
L-5
Rock (Extra-Deep Tread)
LD 250
LD 250 Belted
TL535S+
TL538S+
TL559S+
Super Smooth
TSMS
Y69 (C1/I4/L4S/L5S)
Y69K (L4S/L5S)
Y69U (L4S/L5S)
TSMS+
Y69 (C1/I4/L4S/L5S)
Y69K (L4S/L5S)
Y69U (L4S/L5S)
L-3S
Smooth (Regular)
L-4S
Smooth (Deep Tread)
L-5S
Smooth (Extra-Deep Tread) LD 250 Super Smooth
LD 250 Super Smooth Belted
LD 250 Super Smooth UGM
Super Smooth
Smooth (Extra-Deep Tread)
L-6S
L-5/L-5S
Rock/Smooth (Extra-Deep
Tread)
R-1
Ribbed (Smooth Surfaces)
R-3
Rock (Regular)
Y103 (E2/G2/L3)
F220
RB31 (E3/L3)
RL31 (E3/L3)
RT31 (E3/L3)
Y526K
Y575
Y67 (E3/G3/I3/L3)
LR004 (E4/L4)
RL45 (E4/L4)
RT41 (E4/L4)
Y522 (E4/L4)
Y545
Y67E
ETRAC WL
U-54
Y524
Y524Z
Y525
LD 250 Half-Trac
LD250 Half-Trac Belted
Soil Compactor
Log Skidder
32
LS-1
LS-2
Intermediate
LS-3
Deep
HF-4
Extra Deep
Goodyear Logger Lug III
Goodyear Logger Lug III HD
Goodyear Logger Lug III
Flotation
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32-11
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Tires
Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
TITAN
Backhoe Loader
F-3
Industrial Multiple-Rib
Contractor
Goodyear Laborer
Goodyear Multi Rib
Industrial Front Tractor
I-3
Traction
Contractor
Contractor II
Goodyear Sure Grip Implement
Goodyear Sure Grip Lug
Grizz LSW G2E
TI422
I-4
Industrial
R-4
Drive Wheel, Industrial
Tractor
SS
Regular
MCS
Regular
TRIANGLE
EUROTIRE
YOKOHAMA
Y532
Y543
Y67 (E3/G3/I3/L3)
Y69PS
Y92
RL43
RR41
Y523 (E4/I4)
Y69 (C1/I4/L4S/L5S)
Goodyear IT510
Goodyear IT515 HS
Goodyear IT520
Goodyear IT525
Goodyear IT530
Goodyear IT610
Grizz LSWG99F
Industrial Contractor
Industrial Sure Grip
Industrial Tractor
Industrial Tractor Lug
Industrial Tractor Lug II
Skid Steer
High Speed Crane
32-12
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Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
C-1
Ribbed (Smooth Surfaces)
C-2
Traction (Regular)
E-1
Ribbed (Smooth Surfaces)
E-2
Traction (Regular)
E-3
Rock (Regular)
Mine E-3
E-4
Rock (Deep Tread)
Armor Gard Mine
Industrial Mine
Nordman Mine E-4
E-5
Rock (Extra-Deep Tread)
E-7
Flotation
G-1
Ribbed (Smooth Surfaces)
G-2
Traction (Regular)
F-92A (E2/E3/G2/L2)
FBEL-247-1 (G2/L2)
F-120
NOKIAN
BELSHINA
Compactor
PIRELLI
Tires
DOUBLE COIN
Earthmover
F-92A (E2/E3/G2/L2)
FBEL-199
BEL-6 (E3/L3)
BEL-51A
BEL-160
F-92A (E2/E3/G2/L2)
VF-76BM
VF-166AM
BEL-102
BEL-112
BEL-153
BEL-156
BEL-162
BEL-170
BEL-172
BEL-174
BEL-180
BEL-182
FBEL-150
FT-115
FT-116AM2
FT-117
REM-15 (E2/L2)
RM94
RM95
RM99
RM100
REM-2 (E3/L3)
REM-10 (E3/L3)
RM95
RM99
REM-9
REM-11
PN12 (G2/L2)
PN14 (G2/L2)
REM-1
Grader
G-3
Rock (Regular)
G-4
Rock (Deep Tread)
G-5
Rock (Extra-Deep Tread)
G-5S
Smooth (Extra-Deep Tread)
32
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Tires
Manufacturer’s Designation
Tire and Rim
Assoc. Code
Tread Type
NOKIAN
BELSHINA
Loader and Dozer
PIRELLI
DOUBLE COIN
L-2
Traction (Regular)
Forest Rider
F-92A (E2/E3/G2/L2)
GRS
FBEL-247-1 (G2/L2)
Loader Grip
Loader Grip 2
TRI Steel
TRI Backhoe
TRI 2 80/75/70/65 Series
TRI 2 Extreme
TRI 2 Extreme Steel
PN12 (G2/L2)
PN14 (G2/L2)
REM-15
L-3
Rock (Regular)
Loader Grip 3
BEL-6 (E3/L3)
BEL 26.42.38
BEL 32.48.75
F-170
RM94
RM99
RM100
REM-2 (E3/L3)
REM-15 (E3/L3)
L-4
Rock (Deep Tread)
Armor Gard
FBEL-5
FBEL-283
L-5
Rock (Extra-Deep Tread)
PN12 (G2/L2)
PN14 (G2/L2)
REM-12
REM-18
REM-19
L-3S
Smooth (Regular)
L-4S
Smooth (Deep Tread)
L-5S
Smooth (Extra-Deep Tread) Mine L-5S
Mine King L-5S
Nordman Mine L-5S
L-6S
Smooth (Extra-Deep Tread)
L-5/L-5S
Rock/Smooth (Extra-Deep
Tread)
R-1
Ribbed (Smooth Surfaces)
R-3
Rock (Regular)
Mine L-3S
BEL-10M
Soil Compactor
BEL-111
Log Skidder
LS-1
LS-2
Intermediate
LS-3
Deep
HF-4
Extra Deep
Forest King TRS LS-2
TRS LS-2 SF Excavator
Backhoe Loader
F-3
Industrial Multiple-Rib
I-3
Traction
I-4
Industrial
R-4
Drive Wheel, Industrial
Tractor
SS
Regular
REM-6
Skid Steer
REM-3
High Speed Crane
MCS
32-14
Regular
REM-8
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Radial Tire Identification
● Michelin
RADIAL TIRE IDENTIFICATION
Code Identification for Michelin Tires
All Michelin earthmover tires are radial construction,
designated by the “X” marking. They contain a single
steel radial ply with a series of steel belts placed around
the tire’s circumference which reinforce and stabilize the
tread.
Following are the tread designs currently available
from Michelin with the different internal constructions
depending on the application.
Type A4
Particularly resistant to cuts, tread tearing
and abrasion on very rough surfaces.
Type A
Particularly resistant to cuts, tread tearing
and abrasion at average speeds which are
higher than those for A4 (above).
Type B4 Compromise solution between abrasion resistance and average speed on rough surfaces
(available in sizes 49 inch rim diameter and
above).
Type B
Higher resistance to internal heat generation on surfaces which are not particularly
rough.
Type C4 For running on long cycles at high speeds on
well maintained roads.
Type C
Very high resistance to high average speeds
on long cycles run on well maintained roads.
Tires
The current combinations of tread patterns, construction, and tread depths offered, and primary TRA
codes are:
Tread Design
XDM™
XDM™
XDR™
XDR™ S
XDR™2
XDT™
XK®
XKD1™
XLD® D2
XMINE® D2
XMS™
XRDN™
XR™
XR™
XTLA™
X-TRACTION™
Tread Compounds
A B4 B C4 C
X
X
X X X X X
X X
X X X X X
X X X X
X
X
X
X
X
X
X
X
X X
X
X
X X
A4
Primary TRA
Code(s)
E-3
E-4
E-4
E-3
E-4
E-4
E-3/L-3
E-4
L-5
L-5
E-3
L-3
G-3/L-3
E-2/E-3
E-2/G-2/L-2
E-4
Since Michelin radial tires contain a single steel casing
ply, they utilize the industry method of designating
radial tire strength in terms of “stars.” Their system
consists of a one star, two star, and three star rating as
an indication of the tire’s carrying capacity. The one star
is the lightest construction, generally used on work and
slow moving transport machines. Two star tires are used
on most medium and high speed transport machines.
Three star construction provides the greatest carrying
capacity for a given size and is only available in small
standard base tires.
This combination of tread designs and types of construction provides a range of radial tires which cover
most earthmoving applications. We recommend that in
applying steel radial tires to your machines you provide
all site condition data to the tire manufacturer. Obtain
their recommendations as to which tire will provide the
most economical operation.
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Tires
Radial Tire Identification
● Goodyear
Code Identification for Goodyear Radial Tires
All Goodyear steel radial earthmover tires have been
designated Unisteel followed by a three or four digit
alpha-numeric code that identifies the particular tread.
For example, for a RL-2+, RL stands for Rock Lug and
indicates that the upper sidewall has rock protection.
The number in the code corresponds to the tire industry
identification system (2-traction, 3-rock, etc). The fourth
digit, if any, is used to designate tread design differences
for the same basic tread type.
Following are the radial tread designs currently available
from Goodyear with the compound and construction
types depending on the application.
Compound Description
Heat Resistant
Standard Abrasion Resistant
Ultra Abrasion Resistant
Compound Code
2
4
6
Construction Description
Standard
Heavy Duty
Extra Heavy Duty
Steel Breakers
Heavy Undertread
Low Angle Belts
Construction Code
S
H
HW
J
U
SL
Tread Design
AT-2A
GP-2B
GP-3D
GP-4B
GP-4B AT
GP-4C
GP-4D
RL-2+
RL-2F
RL-3
RL-3+
RL-3A
RL-3F
RL-3J
RL-4
RL-4A
RL-4B
RL-4C
RL-4F
RL-4H
RL-4H II
RL-4J
RL-4J II
RL-4K
RL-4M+
RL-5K
RM-4A+
RT-3A+
RT-3B
RT-4A
RT-4A+
TL-3A+
Tread Compounds
2S
4S
6S
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Primary TRA Code(s)
E-3/L-3
E-3/G-3/L-3
E-3/L-3
E-4
E-4/G-4
E-4/G-4/L-4
E-4/L-4
E-3/G-3/L-3
E-2/G-2/L-2
E-3
E-3
E-3
E-3/L-3
E-3
E-4
E-4
E-4
E-4
E-4
E-4
E-4
E-4
E-4
L-4
E-4
L-5
E-4
E-3
L-3
E-4
E-4
E-3/L-3
A star rating system instead of the ply rating system
indicates the casing strength of radial tires. These symbols
indicate the recommended inflation for a particular tire
load. Following the star rating code is Goodyear’s Custom
Compound and Construction code. For a tire designated
“2S” the 2 indicates a heat resistant compound and the S
indicates standard construction. The higher the number
the greater the abrasion and cut resistance with a corresponding lower TKPH/TMPH rating.
32-16
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Radial Tire Identification
● Bridgestone
Code Identification for Bridgestone Radial Tires
The Bridgestone steel radial earthmover has been
designated as V-Steel. Following are the radial tread
designs currently available from Bridgestone with the
compound and construction types depending on the
application.
Bridgestone Compound and Structure Codes
1A
Standard
2A
Cut-Resistant
2V
Special Cut Resistant (Steel Breaker)
2Z
Special Cut Resistant (Side Steel Breaker)
3A
Heat-Resistant
E
Earthmover
G
Grader
D
Loader and Dozer
S
Logging
Tread
Design
VEL
VELS
VELSL
VFT
VHS
VJT
VKT
VLT
VLTS
VMT
VMTP
VMTS
VRDP
VREP
VRF
VRL
VRLS
VRPS
VRQP
VSB
VSDL
VSDT
VSMS
VSNL
VSNT
VSW
VTS
VUT
VZTP
VZTS
X
X
X
X
X
X
X
Primary
TRA
Code(s)
E-3
E-4
E-4
E-2
E-2
E-3/L-3
E-2/G-2/L-2
E-3/L-3
E-4/L-4
E-3/L-3
X
X
X
X
X
X
E-4
E-4/G-4
X
X
X
E-4
X
X
X
X
X
X
X
X
X
X
E-4
E-3
E-3
E-4
X
X
X
E-4
Tread Compounds
Tread Name
V-Steel E-Lug
V-Steel E-Lug S
V-Steel E-Lug S
V-Steel F-Traction
V-Steel H-Service
V-Steel J-Traction
V-Steel K-Traction
V-Steel L-Traction
V-Steel L-Traction S
V-Steel M-Traction
V-Steel M-Traction
Premium
V-Steel M-Traction S
V-Steel Rock Deep
Premium
V-Steel Rock
E-Premium
V-Steel Rock Fast
V-Steel R-Lug
V-Steel R-Lug S
V-Steel Rock Premium
Service
V-Steel Rock Quarry
Premium
V-Steel S-Block
V-Steel D-Lug
V-Steel Super Deep
Traction
V-Steel Smooth
Tread-MS
V-Steel N-Lug
V-Steel N-Traction
V-Steel Snow Wedge
V-Steel TractionStability
V-Steel Ultra Traction
V-Steel Z-Traction
Premium
V-Steel Z-Traction S
1A
X
X
2A
X
X
X
X
X
X
2V
3A
X
X
X
X
X
X
X
X
E-4
E-2
L-5
X
L-5
X
X
X
X
X
L-5S
L-4
E-4/L-4
G-2/L-2
X
X
X
X
X
X
The casing strength, i.e., load carrying capacity of tire
is indicated by star rating system; 1-star, 2-star and
3-star. Bridgestone’s Off-the-Road tires are designed and
produced to meet the commonly accepted international
standards, those set by the TRA (Tire and Rim Association) in the U.S.A., by the ETRTO (European Tire and
Rim Technical Organization) in Europe and/or by the
JATMA (Japan Automobile Tire Manufacturers’ Association) in Japan. Where differences exist between the
TRA, ETRTO and JATMA standards, Bridgestone selects
the most appropriate.
Code Identification for Eurotire Radial and Bias Tires
Eurotire manufactures a range of bias-ply and radial
tires for use on mining equipment. Eurotire steel radial
tires are designated with an “EU.” The following are the
radial tread designs currently available from Eurotire
with the compound and construction types for a variety
of applications.
Compound Description
Heat Resistant
Intermediate
Abrasion Resistant
Compound Code
H
S
A
Compound Code
Tread Design
EUROK
EUTRAK
H
X
–
S
X
X
A
X
X
TRA Code(s)
E4
E3, E4, L4
Eurotire radial tires are marked with a star rating
system to indicate casing strength. Eurotire manufactures
2 star radial tires.
It is important to understand the specific usage and
operating conditions of your job site so that the most
appropriate tire choice can be determined. Eurotire representatives can help you make the most informed decision regarding tire choice, including weighing the benefits
of radial vs. bias, selecting between different tread designs
and compounds and providing service solutions to best
suit your specific needs.
32
L-3
G-2/L-2
X
X
E-4
E-4
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Tires
Ton-Kilometer Per Hour Rating System
TON-KILOMETER PER HOUR (TKPH)
Tire selection and machine operating practices have,
in some cases, become the critical factors in the over-all
success of earthmoving ventures. One of the most serious
problems occur when tires are operated at temperatures
above their capabilities. Separation and related failures
occur. To help you avoid temperature related failures,
Caterpillar has been instrumental in developing the TonKilometer Per Hour (TKPH), also known as Ton-Mile
Per Hour (TMPH), method of rating tires. The formula
to convert a TKPH rating to a TMPH rating is:
TMPH = TKPH × 0.685
Heat and Tire Failure
Tire manufacturing requires heat in the vulcanizing
process converting crude rubber and additives into a
homogeneous compound. The heat required is typically
above 132° C (270° F).
A tire also generates heat as it rolls and flexes. Heat
generated faster than it can be radiated into the atmosphere
gradually builds within the tire and reaches maximum
level at the outermost ply or belt.
Over time, enough heat can develop from overflexing
to actually reverse the vulcanizing process or “revert”
the rubber causing ply separation and tire failure. Only
a brief time at reversion temperature initiates the failure.
Experience shows that few pure heat separation cases
occur. Most so-called heat separations are in tires operating
below the reversion level.
As a tire’s operating temperature increases the rubber
and textiles within significantly lose strength. The tire
becomes more susceptible to failures from cornering,
braking, impact, cut through, fatigue and heat separation.
If operating tires at higher temperatures is absolutely
necessary, it is essential the machines be operated to
reduce the probability of premature tire failure. No hard
cornering without superelevation, no panic braking, etc.
The TKPH formula was developed to predict tire
temperature buildup. The system is a method of rating
tires in proportion to the amount of work they can do
from a temperature standpoint. It utilizes the product of
load × speed to derive an index of the tire temperature
buildup. Even at or below a tire’s TKPH, failures may be
initiated by overstressing the tires.
32-18
It is possible by using a needle type pyrometer to measure
temperature at any desired point within the tire casing.
However, the instrumentation and the technique does
not lend itself to general field use. The greatest difficulty
is locating the thickest (therefore the hottest) tread bar
in any given tire using giant calipers. The tire must then
be drilled along the centerline of this bar from shoulder
to shoulder at 52 mm (2") intervals. These 3.18 mm
(1/8") diameter holes extend down through the tread and
undertread to the topmost reinforcement. This procedure
is fully described under SAE Recommended practice
J1015.
The TKPH rating system as given in this SAE specification is approved by most tire manufacturers. Michelin, in
addition to providing TKPH ratings has developed their
own speed/load carrying rating system and we recommend
that Michelin be consulted where high tire temperatures are
a concern.
Heat generation in a specific tire at recommended
pressure depends on three factors:
● the weight the tire is carrying (flex per revolution),
● the speed the tire is traveling over the ground (flexures
over a period of time), and
● the air temperature surrounding the tire (ambient
temperature) and road surface temperature.
Once a tire manufacturer has determined a tire’s temperature characteristics and expressed them in TKPH,
the above listed specific job conditions can be used to
determine any tire’s maximum work capacity. These
conditions provide on site ability to predict and avoid
costly tire separations.
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Ton-Kilometer Per Hour Rating System
Tire Drive-Away Recommendations
Ton-Kilometer-Per-Hour Rating System
The tire TKPH can be matched to the site TKPH as
well as compared with TKPH values of different makes
and types of tires.
TKPH Job Rate
Average Tire Load × Average Speed for the shift
Average Tire Load
“Empty” tire load + “loaded” tire load
2
Average Speed
Round trip distance in kilometers
× number of trips
Total Hours (in the shift)
For excessive haul length (32 kilometers or more)
consult your tire representative for modification to the
TKPH value.
To use in the United States Customary System, change
kilometers to miles and use short tons.
It should be noted that prolonged operation at high
casing temperatures can fatigue the nylon at the flex
points in the sidewalls.
The following are the most recent TKPH ratings as
made available by Goodyear, Michelin and Bridgestone,
and are subject to change on their part at any time.
Other tire manufacturers’ TKPH ratings will be included
in future handbook editions when and if made available.
For latest TKPH ratings, consult specific tire manufacturer
at time of machine and/or tire purchase.
Tires
Load-and-Carry TKPH
The wheel loader, when used in load-and-carry applications, may encounter temperature problems similar to
those normally associated only with tires on scrapers,
trucks and wagons. Do not place the vehicle in load-andcarry applications without first consulting the tire manufacturer, or obtaining maximum load and speed ratings and
pressure recommendations from the tire manufacturer.
Conventional and Radial Steel Cord Tire Options
Tire options now provide types to operate in conditions
ranging from rock and abrasive materials, to jobs with
high speed hauls in good materials.
The best tire type can be different for the drive tires
than for other tires on the same machine. TKPH should
be calculated for all tires.
TIRE DRIVE-AWAY RECOMMENDATIONS
Heat separation can be a problem during machine
delivery and moving machines from one job to another.
Whenever roading earthmoving machines, check your
supplier for the tire manufacturer’s recommended speed
limitations on the specific tires involved.
Some tire manufacturers also recommend that vehicles
equipped with extra tread depth or special compounded
tires should not be roaded without their specific approval.
Our tests support this recommendation, especially for
L-3, L-4, E-4 and L-5 tires.
32
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Tires
TKPH Rating
● Goodyear Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-3
Tread
Design
AT-2A
Custom
Code
AT-3A
2S
4S
6S
14.00R20
TKPH
—
—
—
16.00R20
TKPH
—
—
—
16.00R21
TKPH
—
—
—
12.00R24
TKPH
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
GP-2B
2S
4S
6S
—
—
—
RL-3
2S
4S
6S
—
—
—
2S
4S
RL-3+
6S
2S
4S
115
RL-3A
6S
14.00R25
TKPH
—
—
—
16.00R25
TKPH
—
—
—
85
70
18.00R25
TKPH
155 115
95
18.00R33
TKPH
180 135 110
21.00R33
TKPH
21.00R35
TKPH
245 185 145
24.00R35
TKPH
300 230 180
24.00R49
TKPH
27.00R49
TKPH
30.00R51
TKPH
33.00R51
TKPH
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
37.00R57
TKPH
32-20
375 280
450 375
—
2S
4S
RL-3J
6S
2S
4S
6S
—
375 310 185
620 480 290
685 515 375 525 450 270
785 600 355
Edition 44
PHB-Sec32-14.indd 20
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●
TKPH Rating
Goodyear Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
GP-4B
Custom
Code
2S
14.00R20
TKPH
16.00R20
TKPH
16.00R21
TKPH
12.00R24
TKPH
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
4S
GP-4C
6S
18.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
24.00R35
TKPH
24.00R49
TKPH
27.00R49
TKPH 370 285 215
30.00R51
TKPH
33.00R51
TKPH 490 370 260
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
37.00R57
TKPH
GT-4B
2S
4S
6S
—
—
—
2S
4S
RL-4
6S
RL-4A
6S
2S
4S
RL-4B
6S
2S
4S
RL-4C
2S
4S
6S
125
95
75
130 100
80
150 115
90
155 120
90
2S
6S
205 160 127
—
260 200 155
—
—
270 205 160
260
—
360 275 210 425 335
—
—
—
—
—
350 270 210 375 290 225
470 360 250
550 415 265
32
785 600 355 865 660 390
615 460 295
Edition 44
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4S
32-21
12/20/13 9:14 AM
Tires
TKPH Rating
● Goodyear Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
RL-4F
Custom
Code
2S
14.00R20
TKPH
16.00R20
TKPH
16.00R21
TKPH
12.00R24
TKPH
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
4S
18.00R25
TKPH
18.00R33
TKPH 140 105
RL-4H
6S
85
2S
4S
155 120
RL-4HII
6S
2S
4S
RL-4J
6S
90
RL-4JII
2S
4S
6S
75
55
—
85
65
—
85
65
—
130 100
—
155 120
90
2S
4S
RL-4K
6S
21.00R33
TKPH
21.00R35
TKPH 200 150 120
215 165 130 215 165 130 215 165 130
24.00R35
TKPH 245 185 145
270 205 160 270 205 160 270 205 160
24.00R49
TKPH
27.00R49
TKPH
345 265 200
30.00R51
TKPH
450 340 205
410 310 185
33.00R51
TKPH
470 360 250 470 360 250
520 395 270
36.00R51
TKPH
565 490 300
515 445 270
37.00R57
TKPH
655 490 315 550 410 245
620 480 290
40.00R57
TKPH
37.00R57
TKPH
32-22
RL-4L
2S
4S
6S
2S
4S
6S
—
—
—
—
—
—
—
—
—
215 165 130
320 245 190
375 300 180 375 300 180
Edition 44
PHB-Sec32-14.indd 22
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●
TKPH Rating
Goodyear Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
RL-4M+
Custom
Code
2S
14.00R20
TKPH
16.00R20
TKPH
16.00R21
TKPH
12.00R24
TKPH
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
18.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
24.00R35
TKPH
24.00R49
TKPH
27.00R49
TKPH
30.00R51
TKPH
33.00R51
TKPH
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
37.00R57
TKPH
4S
E-5
RM-4A+
6S
2S
4S
RT-4A
6S
2S
160
410
320
250
540
410
290
540
410
285
770
590
350
770
590
350
4S
125
RT-4A+
6S
2S
4S
RL-5K
6S
2S
4S
6S
—
—
—
94
275
210
165
410
320
250
32
Edition 44
PHB-Sec32-14.indd 23
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12/20/13 9:14 AM
Tires
TKPH Rating
● Goodyear Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — WIDE BASE SIZES
Industry
Code
E-3
Tread
Design
AT-2A
Custom
Code
2S
4S
15.5R25
TKPH
17.5R25
TKPH 130
20.5R25
TKPH
75
GP-2B
6S
65
GP-3D
2S
4S
6S
—
—
—
135 105
2S
4S
RL-2+
6S
2S
RL-3
4S
6S
95
100
75
—
150 115 105
120
90
—
23.5R25
TKPH
175 135 115 175 135 115 135 100
—
26.5R25
TKPH
195 155 130
155 115
—
29.5R25
TKPH
235 185 155
185 140
—
29.5R29
TKPH
210 160
—
33.25R29
TKPH
33.25R35
TKPH
37.25R35
TKPH
37.5R39
TKPH
2S
—
—
—
210
—
RT-3A
Custom
Code
2S
—
4S
RL-3J
6S
210
—
—
2S
4S
6S
85
—
—
—
230
—
—
260
—
—
295
—
E-4
RT-3A+
TL-3A+
GP-4B
GP-4B AT
GP-4C
GP-4D
GT-4A
2S 4S 6S 2S 4S 6S 2S 4S 6S 2S 4S 6S 2S 4S 6S 2S 4S 6S 2S 4S 6S 2S 4S 6S
15.5R25
TKPH
17.5R25
TKPH
100 75
—
20.5R25
TKPH
120 90
—
23.5R25
TKPH
135 100 —
26.5R25
TKPH
155 115 —
147 109 91
29.5R25
TKPH
185 145 125
165 130 105
29.5R29
TKPH
33.25R29
TKPH 285 220 —
33.25R35
TKPH
37.25R35
TKPH
37.5R39
TKPH
32-24
—
E-3
Tread
Design
6S
185
—
Industry
Code
4S
RL-3F
—
—
—
—
—
—
—
— 135 104 90
—
—
—
—
—
—
—
—
—
—
—
—
170 135 115 —
—
—
—
Edition 44
PHB-Sec32-14.indd 24
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●
TKPH Rating
Goodyear Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — 95 SERIES SIZES
Industry
Code
E-3
Tread
Design
AS-3A
Custom
Code
2S
385/95R24
TKPH
385/95R25
TKPH
445/95R25
TKPH
—
4S
—
GP-2B
6S
—
2S
4S
—
—
6S
—
—
—
—
—
—
—
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — 90 SERIES SIZES
Industry
Code
E-4
Tread
Design
RL-4B
Custom
Code
46/90R57
TKPH
RM-4A+
32
2S
4S
6S
2S
4S
6S
910
690
410
980
750
440
Edition 44
PHB-Sec32-14.indd 25
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12/20/13 9:14 AM
Tires
TKPH Rating
● Goodyear Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — 80 SERIES SIZES
Industry
Code
E-1
E-2
Tread
Design
HRR-1A
SP-T9
Custom
Code
E-3
E-4
GP-2B
2S
4S
6S
4S
6S
TKPH
—
—
—
TKPH
—
—
—
525/80R25
TKPH
—
—
—
605/80R25
TKPH
—
—
—
53/80R63
TKPH
59/80R63
1200
—
TKPH
1500
—
TKPH
395/80R25
445/80R25
4S
6S
2S
4S
6S
—
—
—
—
—
—
RM-4A+
2S
335/80R18
2S
RM-3A
2S
4S
6S
—
1070
—
—
—
1300
—
—
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — 75 SERIES SIZES
Industry
Code
E-3
Tread
Design
GP-2B
Custom
Code
40.5/75R39
32-26
TKPH
RT-3A+
2S
4S
6S
2S
4S
6S
400
305
240
375
290
220
Edition 44
PHB-Sec32-14.indd 26
12/20/13 9:14 AM
●
TKPH Rating
Goodyear Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR RADIAL PLY — 65 SERIES SIZES
Industry
Code
E-3
Tread
Design
AT-2A
Custom
Code
555/65R25
TKPH
GP-3D
2S
4S
6S
195
—
—
2S
E-4
RL-2+
4S
6S
66
RL-3F
2S
4S
6S
155
115
75
TL-3A+
2S
4S
6S
—
125
—
GP-4D
2S
4S
6S
—
—
—
2S
4S
6S
600/65R25
TKPH
132
99
650/65R25
TKPH
144
108
73
750/65R25
TKPH
162
120
78
775/65R29
TKPH
169
125
105
800/65R29
TKPH
169
125
105
875/65R29
TKPH
185
150
121
32
Edition 44
PHB-Sec32-14.indd 27
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12/20/13 9:14 AM
Tires
TKPH Rating
● Goodyear Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR BIAS PLY — CONVENTIONAL SIZES
Industry
Code
E-1
Tread
Design
HRR-1A
Custom
Code
2S
GP-2B
6S
TKPH
—
—
—
TKPH
—
—
—
TKPH
—
—
—
TKPH
—
—
—
16.00-24
TKPH
—
—
—
14.00-25
TKPH
16.00-25
TKPH
125
90
—
18.00-25
TKPH
145
100
—
21.00-25
TKPH
9.00-16
TKPH
16.00-16
TKPH
12.00-20
14.00-20
16.00-20
TKPH
12.00-24
14.00-24
2S
—
4S
—
6S
WRL-3A
4S
TKPH
6S
HRL-3A
2S
9.00-15
4S
E-3
—
—
50
—
—
70
—
125
90
—
—
—
—
—
18.00-33
TKPH
150
110
21.00-35
TKPH
200
145
—
24.00-35
TKPH
—
175
—
21.00-49
TKPH
24.00-49
TKPH
27.00-49
TKPH
30.00-51
TKPH
33.00-51
TKPH
36.00-51
TKPH
32-28
2S
4S
6S
—
—
—
—
—
—
Edition 44
PHB-Sec32-14.indd 28
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●
TKPH Rating
Goodyear Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR BIAS PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
HRL-4B
Custom
Code
2S
4S
E-7
HRL-4D
6S
2S
4S
MRL-4B
6S
2S
4S
MRL-4D
6S
2S
4S
PVG-7A
6S
2S
2S
4S
6S
9.00-15
TKPH
—
—
—
9.00-16
TKPH
—
—
—
16.00-16
TKPH
—
—
—
12.00-20
TKPH
14.00-20
TKPH
—
—
—
16.00-20
TKPH
—
—
—
12.00-24
TKPH
14.00-24
TKPH
16.00-24
TKPH
14.00-25
TKPH
16.00-25
TKPH
90
65
—
18.00-25
TKPH
—
80
—
—
160
—
21.00-25
TKPH
—
185
—
18.00-33
TKPH
—
—
100
85
74
—
—
21.00-35
TKPH
180
130
110
—
115
—
24.00-35
TKPH
—
160
—
—
140
—
21.00-49
TKPH
—
160
—
—
165
—
24.00-49
TKPH
—
190
165
27.00-49
TKPH
310
235
175
30.00-51
TKPH
—
265
—
33.00-51
TKPH
395
300
—
36.00-51
TKPH
465
335
—
450
—
—
—
245
—
—
325
—
234
175
—
—
190
—
4S
SRB-7A
—
6S
—
32
Edition 44
PHB-Sec32-14.indd 29
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12/20/13 9:14 AM
Tires
TKPH Rating
● Goodyear Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR BIAS PLY — WIDE BASE SIZES
Industry
Code
E-2
Tread
Design
SGL E/L-2A
Custom
Code
20.5-25
E-3
HRL E/L-3A
HRL-3A
HRL-3F
2S
4S
SHRL
6S
2S
4S
SHRL8
2S
4S
6S
2S
4S
6S
2S
4S
6S
TKPH
—
—
—
—
—
—
—
65
—
6S
—
—
—
—
—
—
—
70
—
—
90
—
—
115
—
—
115
—
—
110
—
175
125
—
175
125
—
—
—
—
2S
4S
6S
23.5-25
TKPH
26.5-25
TKPH
29.5-25
TKPH
26.5-29
TKPH
29.5-29
TKPH
33.5-33
TKPH
—
160
—
—
170
—
37.5-33
TKPH
—
210
—
—
220
—
33.25-35
TKPH
—
160
—
—
—
—
37.25-35
TKPH
—
210
—
—
220
—
29.5-35
TKPH
37.5-39
TKPH
—
225
—
—
145
—
—
160
—
—
240
—
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
GOODYEAR BIAS PLY — 65 SERIES SIZES
Industry
Code
E-4
Tread
Design
NRL D/L-4A
Custom
Code
35/65-33
32-30
TKPH
2S
4S
6S
115
95
75
Edition 44
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●
TKPH Rating
Bridgestone Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-2
Tread
Design
VFT
Custom
Code
3A
11.00R20
TKPH
12.00R20
TKPH
16.00R20
TKPH
12R22.5
TKPH
12.00R24
TKPH
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
18.00R25
TKPH
21.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
24.00R35
TKPH
24.00R49
TKPH
27.00R49
TKPH
30.00R51
TKPH
33.00R51
TKPH
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
1A
E-3
VHS
2A
3A
1A
VKT
3A
1A
VSB
2A
2A
—
—
VEL
VMT
3A
1A
2A
—
—
—
307
263
213
351
284
524
448
753
644
3A
1A
VRL
2A
3A
1A
2A
307
263
213
351
284
524
448
753
644
—
183
328
804
281
183
227
562
455
688
557
328
804
281
227
445
562
688
557
1171 1001
521
521
1065 897
1209 1018 837
—
32
1407 1185 974
1739 1463 1204
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
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Tires
TKPH Rating
● Bridgestone Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
L317
Custom
Code
—
11.00R20
TKPH
188
12.00R20
TKPH
208
16.00R20
TKPH
VELS
3A
1A
VELSL
2A
2A
85
136
119
91
85
136
119
TKPH
188
TKPH
177
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
146
112
18.00R25
TKPH
179
144
21.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
24.00R35
TKPH
3A
1A
2A
VRDP
1A
12R22.5
1A
VMTS
3A
12.00R24
3A
VMTP
3A
1A
2A
600
513
415
807
679
558
1117
940
773
136
246
91
123
244
209
169
287
246
199
211
170
267
229
185
281
227
—
—
—
328
281
227
293
237
383
328
265
453
388
314
388
314
489
418
338
24.00R49
TKPH
492
421
341
552
361
575
492
398
27.00R49
TKPH
600
513
415
636
544
440
702
600
486
30.00R51
TKPH
717
603
496
33.00R51
TKPH
807
679
558
855
700
591
36.00R51
TKPH
927
781
642
37.00R57
TKPH
1003
845
694
1148
40.00R57
TKPH
1117
940
773
1330
1050
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
32-32
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●
TKPH Rating
Bridgestone Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
VREP
Custom
Code
—
11.00R20
TKPH
12.00R20
TKPH
16.00R20
TKPH
12R22.5
TKPH
12.00R24
TKPH
13.00R24
TKPH
14.00R24
TKPH
16.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
18.00R25
TKPH
21.00R25
TKPH
18.00R33
TKPH
VRLS
3A
1A
E-7
VRPS
2A
3A
1A
VRQP
2A
2ALS
VZTS
3A
1A
VSJ
2A
—
—
85
85
146
112
246
211
170
—
21.00R33
TKPH
281
227
21.00R35
TKPH
328
281
227
24.00R35
TKPH
453
388
314
24.00R49
TKPH
492
421
341
27.00R49
TKPH
600
513
415
30.00R51
TKPH
717
603
496
33.00R51
TKPH
807
679
558
36.00R51
TKPH
927
781
642
37.00R57
TKPH
1003
845
694
40.00R57
TKPH
1117
940
773
—
122
207
32
—
—
—
1003
845
694
1117
940
773
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
Edition 44
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Tires
TKPH Rating
● Bridgestone Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — WIDE BASE SIZES
Industry
Code
E-2
Tread
Design
VKT
Custom
Code
3A
E-3
VJT
1A
2A
TKPH
166
129
—
23.5R25
TKPH
263
205
248
26.5R25
TKPH
29.5R25
TKPH
15.5R25
TKPH
17.5R25
TKPH
20.5R25
1A
VLT
2A
1A
VMT
2A
95
420
E-4
1A
VRL
2A
1A
2A
VLTS
VSNT
2A
2A
—
—
190
190
—
248
190
161
312
257
293
220
220
293
220
186
165
376
310
354
266
266
354
266
225
220
29.5R29
TKPH
401
330
33.25R29
TKPH
494
407
37.5R33
TKPH
648
29.5R35
TKPH
33.25R35
TKPH
37.25R35
TKPH
37.5R39
TKPH
232
476
349
435
319
380
441
720
644
530
569
417
696
472
346
563
413
608
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
32-34
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●
TKPH Rating
Bridgestone Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — 95 SERIES SIZES
Industry
Code
E-2
Tread
Design
VFT
Custom
Code
385/95R24
TKPH
385/95R25
TKPH
505/95R25
TKPH
E-3
VKT
VSB
1A
2A
1A
2A
2A
141
106
141
106
179
239
193
239
193
VEL
1A
2A
224
181
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — 90 SERIES SIZES
Industry
Code
E-4
32
Tread
Design
VELS
Custom
Code
VRDP
3A
1A
2A
21/90R33
TKPH
246
211
170
31/90R49
TKPH
618
528
427
42/90R57
TKPH
46/90R57
TKPH
1150
968
796
50/90R57
TKPH
1278
1092
884
3A
1A
VRLS
2A
1033
870
715
1150
968
796
VRPS
3A
1A
2A
246
211
170
618
528
427
VZTP
3A
1A
2A
2ALS
585
1150
968
796
—
—
—
1278
1092
884
—
—
—
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
Edition 44
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Tires
TKPH Rating
● Bridgestone Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — 80 SERIES SIZES
Industry
Code
E-2
Tread
Design
VKT
Custom
Code
335/80R20
TKPH
365/80R20
TKPH
445/80R25
TKPH
525/80R25
TKPH
53/80R63
TKPH
55/80R63
TKPH
59/80R63
TKPH
E-3
VJT
3A
1A
2A
1A
232
206
160
VLT
2A
2A
149
149
VMT
1A
144
VRD
2A
3A
VRF
1A
3A
1A
—
—
—
—
144
194
194
149
—
—
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
BRIDGESTONE RADIAL PLY — 80 SERIES SIZES
Industry
Code
E-4
Tread
Design
VLTS
Custom
Code
2A
335/80R20
TKPH
365/80R20
TKPH
445/80R25
TKPH
VRDP
3A
1A
VRLS
VRPS
2A
3A
1A
2A
3A
1A
2A
1512
1233
1045
—
—
—
—
—
525/80R25
TKPH
53/80R63
TKPH
126
1408
1150
974
55/80R63
TKPH
1643
1341
1137
59/80R63
TKPH
*
*
*
*Consult Bridgestone Representative.
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
32-36
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●
TKPH Rating
Bridgestone Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — 75 SERIES SIZES
Industry
Code
E-3
Tread
Design
VLT
Custom
Code
40.5/75R39
TKPH
VRL
1A
2A
3A
1A
2A
682
500
765
675
495
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE RADIAL PLY — 65 SERIES SIZES
Industry
Code
E-2
Tread
Design
VKT
VLT
VTS
VLTS
VSNT
Custom
Code
2A
2A
—
2A
2A
E-3
E-4
32
25/65R25
TKPH
30/65R25
TKPH
162
550/65R25
TKPH
600/65R25
TKPH
650/65R25
TKPH
750/65R25
TKPH
775/65R29
TKPH
—
875/65R29
TKPH
—
35/65R33
TKPH
225
195
—
—
—
—
195
250
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
Edition 44
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Tires
TKPH Rating
● Bridgestone Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not to Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
BRIDGESTONE BIAS PLY — CONVENTIONAL SIZES
Industry
Code
E-3
Tread
Design
E-4
RL
Custom
Code
1A
2A
9.00-20
TKPH
10.00-20
TKPH
—
—
11.00-20
TKPH
—
—
12.00-20
TKPH
—
—
14.00-20
TKPH
12.00-24
TKPH
—
—
E-7
WL
ELS2
RLS
SCP2
—
IDU
2A
—
—
—
14.00-24
TKPH
—
—
—
16.00-25
TKPH
—
—
—
—
—
18.00-25
TKPH
—
—
18.00-33
TKPH
—
—
21.00-35
TKPH
—
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
BRIDGESTONE BIAS PLY — CONVENTIONAL SIZES
Industry
Code
E-3
Tread
Design
RL
Custom
Code
1A
2A
E-4
VL2
RLS
—
2A
20.5-25
TKPH
—
23.5-25
TKPH
—
—
26.5-25
TKPH
—
—
29.5-25
TKPH
—
—
37.25-35
TKPH
—
—
NOTE: For cycle lengths of 5 km (3 miles) or less (round trip), multiply the TKPH value in this table by 1.12.
Additional tread compounds are available to meet specific TKPH.
32-38
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●
TKPH Rating
Michelin Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-2
Tread
Design
Custom
Code
16.00R20
TKPH
24R20.5
TKPH
24R21
TKPH
12.00R24
TKPH
14.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
18.00R25
TKPH
21.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
24.00R35
TKPH
24.00R49
TKPH
27.00R49
TKPH
30.00R51
TKPH
XHM
XL
—
B
E-3
XMH XSNO+
—
—
XV
XZL
C
—
XDC
C4
B
XDM
B4
C
XK
C4
B
A
—
—
—
—
—
232
—
187
284
237
436
740
1090
33.00R51
TKPH
1395
1209
1054
36.00R51
TKPH
1480
1369
1258
37.00R57
TKPH
40.00R57
TKPH
1920
1776
1632
1584
1440
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
32
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Tires
TKPH Rating
● Michelin Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-3
Tread
Design
Custom
Code
16.00R20
TKPH
24R20.5
TKPH
24R21
TKPH
12.00R24
TKPH
14.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
18.00R25
TKPH
21.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
24.00R35
TKPH
24.00R49
TKPH
27.00R49
TKPH
30.00R51
TKPH
33.00R51
TKPH
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
E-4
XR B
XZH
X-TRACTION S
B
—
B
XDM
B
XDR
B4
C
C4
B
B4
A
119
305
763
837
1018
848
453
384
567
480
643
536
744
620
888
740
1272
1145
1018
848
1440
1296
1152
960
392
496
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
32-40
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●
TKPH Rating
Michelin Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
XDR+
Custom
Code
C
TKPH
102
84
TKPH
164
24R20.5
TKPH
24R21
TKPH
12.00R24
TKPH
14.00R24
TKPH
14.00R25
16.00R25
18.00R25
TKPH
21.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
B4
C
C4
B
B4
A
B
A
XH D1
A4
TKPH
B
XDT
A
16.00R20
C4
XDR2
A4
222
262
21.00R35
TKPH
348
TKPH
444
326
226
24.00R49
TKPH
654
480
392
930
682
27.00R49
TKPH
TKPH
33.00R51
TKPH
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
1440
1296
1152
960
567
480
837
744
620
1272
1145
1018
848
1440
1296
1152
960
392
163
133
157
24.00R35
30.00R51
B
209
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
32
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Tires
TKPH Rating
● Michelin Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — CONVENTIONAL SIZES
Industry
Code
E-4
Tread
Design
E-7
XK D1 X—HAUL X—HAUL S X—QUARRY X—QUARRY S
Custom
Code
A
16.00R20
TKPH
24R20.5
TKPH
24R21
TKPH
12.00R24
TKPH
14.00R24
TKPH
14.00R25
TKPH
16.00R25
TKPH
18.00R25
TKPH
21.00R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
21.00R35
TKPH
209
24.00R35
TKPH
385
24.00R49
TKPH
27.00R49
TKPH
30.00R51
TKPH
33.00R51
TKPH
36.00R51
TKPH
37.00R57
TKPH
40.00R57
TKPH
—
—
—
—
X—TRACTION
B
B4
A4
X—TRACTION S
C
B
XS
—
—
84
93
133
—
—
262
166
218
280
280
122
355
207
281
370
654
567
281
392
763
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
32-42
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●
TKPH Rating
Michelin Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — WIDE BASE SIZES
Industry
Code
E-2
Tread
Design
Custom
Code
17.5R25
TKPH
XG
XL
C
B
—
E-3
E-4
E-7
XSNO+
XADN
XTS
XADT
XRS
X-SUPER
TERRAIN
—
—
—
—
B
—
XS
—
—
20.5R25
TKPH
23.5R25
TKPH
—
—
—
—
—
—
26.5R25
TKPH
—
29.5R25
TKPH
29.5R29
TKPH
348
33.25R29
TKPH
429
29.5R35
TKPH
371
37.25R35
TKPH
540
37.5R39
TKPH
—
—
—
—
—
—
415
453
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
32
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Tires
TKPH Rating
● Michelin Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 95 SERIES SIZES
Industry
Code
E-2
Tread
Design
Custom
Code
385/95R24
TKPH
385/95R25
TKPH
445/95R25
TKPH
505/95R25
TKPH
XL
S
XSNO+
XV
B
—
—
C
—
—
—
—
—
284
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 90 SERIES SIZES
Industry
Code
E-4
Tread
Design
XDR
Custom
Code
50/90R57
TKPH
C4
B
B4
1747
1498
1248
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
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●
TKPH Rating
Michelin Tires
Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 80 SERIES SIZES
Industry
Code
E-2
Tread
Design
XL
Custom
Code
395/80R25
B
E-3
E-4
XDR S
C4
XMP
B
—
TKPH
XDR
XDR2
C4
B
B4
1072
A
C4
B
B4
1837
1574
1312
2218
1901
1584
A
180
525/80R25
TKPH
50/80R57
TKPH
—
1394
1286
53/80R63
TKPH
1837
1574
1312
56/80R63
TKPH
2765
2458
2150
1843
1536
59/80R63
TKPH
2535
2218
2218
1901
1584
1267
1267
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 75 SERIES SIZES
Industry
Code
E-3
Tread
Design
XMS
Custom
Code
40.5/75R39
TKPH
32
B
A
766
500
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
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Tires
TKPH Rating
● Michelin Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Less than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 65 SERIES SIZES
Industry
Code
E-3
E-4
E-7
Tread
Design
XAD 65
XTXL
XS
—
—
—
Custom
Code
525/65R20.5
TKPH
650/65R25
TKPH
—
—
—
750/65R25
TKPH
850/65R25
TKPH
—
775/65R29
TKPH
—
875/65R29
TKPH
—
35/65R33
TKPH
250
NOTE: Consult Michelin for TKPH rating on haul cycles greater than 5 km (3 miles).
Additional tread compounds are available to meet specific TKPH.
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ISO Load Index Speed Symbol
● Michelin Tires
Tires
ISO LOAD INDEX SPEED SYMBOL
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Greater than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — CONVENTIONAL SIZES
Industry Code
E—2
E—7
Tread Design
XL
XV
XZL
XS
Custom Code
B
C
—
—
16.00R20
173G
24R20.5
176F
24R21
16.00R25
176G
177E
18.00R25
186E
—
ISO LOAD INDEX SPEED SYMBOL
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Greater than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — WIDE BASE SIZES
Industry Code
E—2
E—3
Tread Design
XL
XADN
XADT
X-SUPER TERRAIN
XS
Custom Code
B
—
—
—
—
177B
177B
20.5R25
E—4
E—7
23.5R25
188E
185B*
185B
26.5R25
195E
193B*
193B
200E*
200B
29.5R25
196E
*Speed option available via special field request.
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Tires
ISO Load Index Speed Symbol
● Michelin Tires
ISO LOAD INDEX SPEED SYMBOL
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Greater than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY – 95 SERIES SIZES
Industry Code
E-2
Tread Design
XL
S
XSNO+
XV
Custom Code
B
—
—
C
170E
170E
170E
170E
385/95R24
385/95R25
445/95R25
177E
505/95R25
183E
ISO LOAD INDEX SPEED SYMBOL
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Greater than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 80 SERIES SIZES
Industry Code
E-2
E-3
Tread Design
XL
XMP
Custom Code
B
395/80R25
525/80R25
32-48
—
165E
179E
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ISO Load Index Speed Symbol
● Michelin Tires
Tires
ISO LOAD INDEX SPEED SYMBOL
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Cycles Greater than 5 km (3 miles) Round Trip
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
MICHELIN RADIAL PLY — 65 SERIES SIZES
Industry Code
E-3
E-7
Tread Design
XAD 65
XS
Custom Code
—
525/65R20.5
—
173F
650/65R25
180B
750/65R25
190B
850/65R25
196B
775/65R29
195B
875/65R29
203B
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Tires
TKPH Rating
● Triangle Tires
TKPH RATINGS
AT 38º C (100º F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not To Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
TRIANGLE RADIAL PLY — CONVENTIONAL SIZES
Industry Code
E-2
Tread Design
Custom Code
14.00R24
E-3
TB536
TB586
T3
T2
T1
TKPH
—
—
—
—
—
—
T3
T2
E-4
TB526
T1
T3
—
T2
—
TB516S
T1
—
TB526S
T3
T2
T1
—
—
—
—
—
—
—
—
—
T3
T2
TL558S
T1
14.00R25
TKPH
—
—
—
16.00R25
TKPH
—
—
—
18.00R25
TKPH
—
—
—
18.00R33
TKPH
270
190
160
21.00R33
TKPH
300
230
190
21.00R35
TKPH
—
—
—
24.00R35
TKPH
390
350
280
T3
T2
T1
—
—
—
—
—
—
TKPH RATINGS
AT 38º C (100º F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not To Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
TRIANGLE RADIAL PLY — WIDE BASE SIZES
Industry Code
E-2
Tread Design
Custom Code
TB515
E-3
TM518
T2
T1
TL528
T3
T2
T1
—
—
—
—
—
—
T3
T2
T1
TKPH
—
—
—
20.5R25
TKPH
—
—
—
23.5R25
TKPH
260 200 170 230 170 145 230 190 150
26.5R25
TKPH
240 190 155
29.5R25
TKPH
290 230 180
29.5R29
TKPH
33.25R29
TKPH
—
—
T3
T2
E-4
TL559
17.5R25
32-50
T3
TB516
T1
TL568+
T3
T2
T1
—
—
—
T3
T2
TB598S
T1
T3
T2
T1
185 135 115
195 150 125
225 175 135
—
—
—
—
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TKPH Rating
Tires
● Triangle Tires
TKPH RATINGS
AT 38º C (100º F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not To Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
TRIANGLE RADIAL PLY — 65 SERIES SIZES
Industry Code
E-3
Tread Design
TB598
Custom Code
T3
T2
T1
250
190
130
750/65R25
TKPH
775/65R29
TKPH
—
—
—
875/65R29
TKPH
360
285
230
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Tires
TKPH Rating
● Eurotire Tires
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not To Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
EUROTIRE RADIAL PLY
Industry Code
E-4
Tread Design
DR004
EROCK
ETRAC
29.5R25
TKPH
18.00R33
TKPH
21.00R33
TKPH
240
24.00R35
TKPH
357
27.00R49
TKPH
33.00R51
TKPH
192
ETRAC ADT
LR004
225
225
192
512
660
660
NOTE: Consult Eurotire for TKPH ratings on haul cycles greater than 5 km (3 miles).
TKPH RATINGS
AT 38° C (100° F) AMBIENT TEMPERATURE
For Haul Lengths of 32 km (20 miles) or Less One Way
Maximum Speed Not To Exceed 48 km (30 miles) per Hour
Because of the variance between specific tires it is recommended that at the time of purchase you check with your tire supplier for the manufacturer’s
specific TKPH ratings for the tires purchased.
EUROTIRE BIAS PLY
Industry Code
Tread Design
E-3
U-11
E-4
U-12
U-11
24.00-35
TKPH
27.00-49
TKPH
33.00-51
TKPH
36/90-51
TKPH
37.00-57
TKPH
635
40.00-57
TKPH
685
46/90-57
TKPH
U-12
U-14
263
385
580
511
511
520
910
695
NOTE: Consult Eurotire for TKPH ratings on haul cycles greater than 5 km (3 miles).
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Tire and Rim Association Ratings
Tire Selection
TIRE AND RIM ASSOCIATION RATINGS
While the TKPH Rating System provides a method to
determine the tire’s work capacity, Tire and Rim Association Ratings provide a guide for evaluating a tire’s
structural capacity. These two rating systems should be
used in conjunction to evaluate tire performance.
TIRE SELECTION
Selecting the optimum tire for a given application is
particularly critical for earthmoving. The machines have
the capability to outperform the tires and, unless proper
practices are observed, very costly premature tire failures
can occur. Job conditions vary greatly throughout the
world, as well as within any given job site, and selecting
the optimum tire requires careful consideration of all
factors involved. In general, the tire manufacturer should
be consulted before making the selection for any given
application. In some cases, the tire manufacturer can
fabricate tires specifically tailored for a given job site.
For those applications where wear is extremely slow,
especially as a result of only occasional operation throughout the year, the cheapest lightweight tire needs to be given
strong consideration.
As job conditions become severe, the following factors
should be evaluated in selecting a tire:
Transport or Load-and-carry —
● TKPH (primary consideration)
● Minimum approved star/ply rating or greater
● Largest optional size
● Thickest tread commensurate with TKPH
● Most cut resistant tread commensurate with TKPH
● Belted construction
Grader —
● Tire load rating suitable for maximum equipped
machine weight (See Tire Load Worksheet on
next page)
● Application specific tire (snow, construction,
road maintenance, mining, general purpose, all
season)
● Bias or radial based on initial cost, puncture resistance, rolling resistance, life to retread/repair
Loader or Dozer —
● Minimum approved ply rating or greater
● Largest optional size
● Thickest tread
● Thickest available undertread
● Buttressed shoulder
● Most cut resistant tread
● Belted construction
● Lowest aspect ratio
All tires should be operated at the tire manufacturer’s
recommended inflation pressure for a given application.
Inflation pressure should be checked every working day
with an accurate gauge. This gauge should be checked
against a known standard such as a dead weight tester
at least once a month.
Excess loads may result from factors such as varying
material density, field modifications to equipment, mud
accumulation, load transfer, etc. Only under these conditions may the actual in service tire load exceed the rated
machine load. When excess loads are encountered, cold
inflation pressures must be increased to compensate for
higher loads. Increase tire inflation pressure 2% for each
1% increase in load.
Bias Ply
Radial Ply
Maximum
Excess
Load
Pressure
15%
30%
7%
14%
The above loads will result in reduced tire performance and must be approved by the tire manufacturer.
The use of chains is difficult to justify except under a
few conditions. Chains are very costly and heavy, and
require more maintenance than most operations can
provide. On some models sufficient clearance does not
exist for chains with all tire combinations. Extensive
modifications may be required if chains are needed for
the job.
Foam filling tires is normally not recommended due
to high cost and lack of local filling facilities. Its use
should be confined to loader and dozer applications
where penetrations occur almost daily. If foam is used
be sure to adhere to recommended equivalent pressures
of nitrogen and use highest available ply rating. Consult
tire manufacturer for specific warranty concerns.
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Tires
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Tires
Tire Selection
Tire Load Worksheet (Motor Graders)
Tire positions (top view)
Tire #1
Tire #2
Tire #5
Rear Tandem
Tire #3
Front Axle
Tire #4
Forward direction of
machine motion
Tire #6
A Machine information:
Base operating weight (kg)
(1a) =
Rear operating weight (%)
(2a) =
Front operating weight (%)
(3a) =
B Tire loads:
Weight on rear tire before attachments (kg)
Weight on front tire before attachments (kg)
(1b) = (1a) × (2a) / 4 =
(2b) = (1a) × (3a) / 2 =
(Tires # 1, 2, 3, 4)
(Tires # 5, 6)
C Attachment information (reference Caterpillar Price List):
Attachment Type
Ripper
Push Block
Front blade (any type)
Mid-Mount Scarifier
Snow Wing
Tires affected
1, 2, 3, 4
5, 6
5, 6
5, 6
1, 2, 3, 4
6
3, 4
Attachment #1
Attachment weight distribution
25% per tire
50% per tire
62% per tire
40% per tire
5% per tire
34% per tire
55% per tire
Attachment weight (kg) (1c) =
Attachment type:
Tire positions affected (see chart)
Attachment weight distribution per tire (see chart)
(2c) =
Attachment weight per tire (kg) = (1c) × (2c)
(3c) =
Attachment #2
Tire #2
Tire #3
Tire #1
Tire #2
Tire #3
Tire #4
Tire #5
Tire #6
Tire #1
Tire #2
Tire #3
Tire #4
Tire #5
Tire #6
Tire #1
Tire #2
Tire #3
Tire #4
Tire #5
Tire #6
Attachment weight (kg) (4c) =
Attachment type:
Tire positions affected (see chart)
Attachment weight distribution per tire (see chart)
(5c) =
Attachment weight per tire (kg) = (4c) × (5c)
(6c) =
Attachment #3
Tire #1
Tire #4
Tire #5
Tire #6
Attachment weight (kg) (7c) =
Attachment type:
Tire positions affected (see chart)
Attachment weight distribution per tire (see chart)
(8c) =
Attachment weight per tire (kg) = (7c) × (8c)
(9c) =
NOTE: Repeat for additional attachments if needed.
D Sum of attachment weights and Total weight per tire (kg)
(1d) = (3c) + (6c) + (9c) =
(2d) = (1d) + [(1b) or (2b)] =
E Controlling tire weight = maximum value from (2d)
(1e) =
kg
F Summary
– Choose a tire with a rated load capacity equal to or greater than the controlling tire weight = Tire rating > (1f)
– Attachments may cause the maximum weight per tire to exceed tire capacity. In these cases the tire supplier should be consulted.
– Contact your tire supplier for machine specific inflation pressures to ensure compensation for different tire loads.
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Tire Selection
● Guide
Tires
TIRE SELECTION GUIDE
Road or Ground
Material
Condition
Silt and clay:
– Good varying to poor
– No rock
– High rolling
– High moisture content
resistance
Haul Trucks and Wheel
Tractor-Scrapers
E-2 (Traction)
Treads
Wheel Tractors or
Wheel Loaders
L-2 (Traction)
Graders*
G-2 (Traction)
Silt and clay:
– Some rock
– Variable moisture
content
– Good varying to poor
E-3 (Rock)
E-2 (Traction)
L-3/L-4/L-5 (Rock)
L-2 (Traction)
G-3/G-4 (Rock)
G-2 (Traction)
Silt/clay/gravel/sand:
– Low moisture content
– Excellent to good
– Firm surface
E-3/E-4 (Rock)
L-3/L-4/L-5 (Rock)
G-3/G-4 (Rock)
L-3/L-4/L-5 (Rock)
Silt/clay/gravel/sand:
– Poor
– High moisture content – Rutted
– Pot holes
E-3/E-4 (Rock)
L-3/L-4/L-5 (Rock)
G-3/G-4 (Rock)
L-3/L-4/L-5 (Rock)
Blasted rock
Hard surface, rough
E-4 (Rock)
L-5 (Rock)
L-5S (Smooth)
G4 (Rock)
L-4/L-5 (Rock)
Sand:
– Very low silt/clay
content
Good to fair surface
E-3 (Rock)
E-7 (Flotation)
L-3 (Rock)
L-3S (Smooth)
G-3 (Rock)
Low pressure
*NOTE: In some cases, an L type tire is appropriate for use on a Grader application, consult your tire supplier for proper tire selection.
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Tires
Standard Cold Inflation Pressures
● Skidders — Bias Ply
RECOMMENDED MOUNTING LUBRICANTS
FROM SUPPLIERS
The following table documents tire supplier recommendations for Tire Mounting Compounds.
Tire Mounting Compounds
Tire-Slick
Michelin “Tigre 80” Grease
REMA Tiptop
Fuchs Silkolene
IZY-SEEL
TIRE SUPPLIER RECOMMENDED COLD
INFLATION PRESSURES
Optimal pressures may vary depending on specific applications and
working conditions. Always consult your local tire supplier for
operating pressures.
STANDARD COLD INFLATION PRESSURES
SKIDDERS — Bias Ply
Model
Tire Size
Ply
Rating
Inflation Pressure
Front
Rear
kPa
psi
kPa
psi
525C
30.5L-32
20
170
25
170
25
535C
30.5L-32
26
170
25
170
25
545C
DH35.5LB32
20
170
25
170
25
DH35.5LB32
24
170
25
170
25
The following tables present commonly found
Caterpillar and the tire suppliers’ recommended cold
inflation pressures for tires on Cat machines. For inflation
pressures of tire suppliers not listed please obtain them
directly from the respected supplier.
The inflation pressure is based on a ready-to-work
vehicle weight, rated payload, and average operating
conditions. Pressures for each application may need to
be varied from those shown and should always be obtained
from your tire supplier.
Pressures for all tires apply to rib, traction, rock,
deep tread, and super deep tread tires.
NOTE: Caterpillar recommends using dry nitrogen
(N 2) gas for both tire inflation and pressure
adjustments on all current and past production
machines.
EXCAVATORS
For complete tire data and inflation pressures, see the Excavator
section in this handbook.
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●
Standard Cold Inflation Pressures
Skid Steer Loaders — Bias and Bias Belted
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
SKID STEER LOADERS — Bias and Bias Belted
Inflation Pressure
Model
216B3
226B3
236D
242D
246D
262D
272D
272D XHP
Tire Size
Ply Rating
7-15
6
10-16.5
6
10-16.5
8
31x15.5-15
8
7-15
6
10-16.5
6
10-16.5
8
31x15.5-15
8
10-16.5
6
10-16.5
8
10-16.5
10
12-16.5
10
10-16.5
6
10-16.5
8
10-16.5
10
12-16.5
Galaxy
Beefy Baby
Cat Premium
Conventional
kPa
kPa
psi
415
60
310
45
415
60
310
45
345
345
psi
50
50
Cat XD
(Extreme Duty)
kPa
psi
345
50
410
60
310
45
310
44.95
345
50
410
60
10
310
45
310
44.95
12-16.5
10
310
45
310
45
12-16.5
14
12-16.5
10
310
45
310
45
12-16.5
14
12-16.5
10
310
45
310
45
310
45
12-16.5
14
345
50
345
50
14-17.5
14
415
60
415
60
14-17.5
14
415
60
415
60
345
Goodyear
SGLSS
kPa
psi
240
35
240
35
240
35
240
35
Goodyear
UGL
kPa
psi
310
45
310
45
50
345
50
345
50
345
50
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Tires
Standard Cold Inflation Pressures
● Telehandlers
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
TELEHANDLERS
Model
Tire Size
TH220B
TH336
TH406
TH337
TH407
TH417
TH514
TL642
TL963
TL642C
TL943C
TL1055
TL1255
Inflation Pressure
kPa
psi
15.5/80-24
17.5LR24xM27
15.5-25 SGL-2A
13.00-24 SGG-2ATL
16
12
12
12
250
310
410
370
36
45
59
54
13.00-24 Cat
440/70R24xM37 (17.5R24)
550/70R24xM37 (19.5LR24)
15.5-25 SGL-2A
15.5-25 Cat
15.5R25 XHA
12x16.5
14x17.5
15.5/80-24 TR01
15.5/80-24 SGL-2A
400/80-24-400
460/70R24
15.5-25 SGL
15.5/80-24 TR01
15.5/80-24 SGL-2A
400/80-24-400
440/80-24-350
460/70R24
500/70R24
15.5-25 SGL
14.00-24 TG02
14.00-24 SGG-2A
13.00-24
13.00R24
15.5-25
15.5R24
370/75-28
13.00x24
15.5-25
370/75-28
14.00-24
14.00R24
17.5-25
17.5R25
12
Radial
Radial
12
12
Radial
12
10
14
16
—
Radial
8, 12
14
16
—
—
Radial
Radial
8, 12
16
16
12
★
12
★
14
12
12
14
12
★
12
450
350
350
320
400
400
551
482
410
400
400
420
400
410
400
400
350
420
300
400
425
525
448
482
448
482
524
448
400
524
448
482
448
65
51
51
46
58
58
80
70
59
58
58
61
58
59
58
58
51
61
44
58
62
76
65
70
65
70
76
65
58
76
65
70
65
★
16
12
12
16
482
524
448
448
524
70
76
65
65
76
TH330B
TH255
Ply Rating
TL1055C
TL1255C
400/75-28
14.00-24
17.5-25
400/75-28
NOTE: See machine OMM for operating pressures. http://onlineexpress2.jlg.com/CAGUI/default.aspx.
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Standard Cold Inflation Pressures
● Backhoe Loaders (Front/Rear)
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
BACKHOE LOADERS (Front)
Model
Tire Size
Ply/Speed
Symbol
Inflation
Pressure
kPa
psi
416E/F, 420F, 422F
11L-16
12 PLY
441
64
416E/F, 420F
12-16.5
10 PLY
448
65
416E/F, 420F, 430F
12.5/80-18
12 PLY/10 PLY
276/310
54/45
422F, 428F, 432F
12.5/80-18
10 PLY/14 PLY
317/372
416E/F, 420F, 422F, 428F, 430F, 432F
340/80R18
428F, 432F
340/80R20
144 A8
372
54
428F, 432F
340/80-18
12 PLY
345
50
428F, 432F
340/80-20
10 PLY
317
47
450E/F
15-19.5
12 PLY
414
60
46/54
143 B/143 A8/136 A8/134 A8 400/345/317/317
58/50/46/46
BACKHOE LOADERS (Rear)
Model
Tire Size
Ply/Speed
Symbol
Inflation
Pressure
kPa
416E/F, 420F, 430F
19.5L-24
416E/F, 420F, 430F
psi
12 PLY
234
34
500/70R24
157 B/164 A8
317/331
46/48
416E/F, 420F, 430F, 450E/F
21L-24
16 PLY/18 PLY
276/310
40/45
422F, 428F, 432F
16.9-28
12 PLY
262
38
422F, 428F, 432F, 434F, 444F
440/80R28
156 A8
282
41
428F, 432F
18.4-26
12 PLY
248
36
428F, 432F
480/80-26
12 PLY
282
41
428F, 432F
480/80R26
160 A8
282
41
428F, 432F, 434F, 444F
440/80-28
12 PLY
282
41
434F
440/80R24
161 A8/154 A8
324/317
47/46
32
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Tires
Standard Cold Inflation Pressures
● Paving Products — Bias Ply and Radial Pneumatic Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
PAVING PRODUCTS — Bias Ply and Radial Pneumatic Tires
Model
Tire Size
Ply Rating
Inflation Pressure1, 2, 3
kPa
psi
WHEEL ASPHALT PAVERS
AP500E/BG500E
17.5R25
*
448
65
AP600D/BG600D
16.00-24
12
345
50
445/95R25
**
551
80
18.00-25
16
379
55
445/95R25
**
586
85
23.1-26
8
110
16
23.1-26
8
110
16
23.1-26
8
110
16
CP64
23.1-26
12
165
24
CS64
23.1-26
8
110
16
23.1-26
12
165
24
23.1-26
8
110
16
AP1000E/BG1000E
VIBRATORY SOIL COMPACTORS
CP44
CS44
CP54
CP54B
CS54
CS54 XT
CS54B
CP56
CP56B
CS56
CS56B
CP68B
CS68B
CP74
CP74B
CS74
23.1-26
8
110
16
23.1-26
12
165
24
CP76
23.1-26
12
165
24
CS76
23.1-26
12
165
24
CS76 XT
23.1-26
12
165
24
8.50/90x15
6
350
51
7.50x15
12
760
110
14/70x20
20
760
110
CS74B
CS78B
PNEUMATIC ROLLERS
PS150C
PS360C
1
Inflation pressures are maximum rated tire pressures.
2
Pressure varies with application for Pneumatic Tire Compactors (PS).
3
Consult your local tire supplier for operating pressures.
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Standard Cold Inflation Pressures
● Motor Graders — Bias Ply
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
MOTOR GRADERS — Bias Ply*
Model
120M/M2/M3
140M/M2/M3
160M/M2/M3
12M/M2/M3
14M/M3
16M/M3
24M/M3
Tire Size
13.00-24
14.00-24
14.00-24
17.5-25
17.5-25
14.00-24
14.00-24
17.5-25
17.5-25
14.00-24
14.00-24
17.5-25
17.5-25
13.00-24
14.00-24
14.00-24
15.5-25
17.5-25
17.5-25
16.00-24
20.5-25
20.5-25
18.00-25
23.5-25
23.5-25
29.5-29
Ply
Rating
12
12
16
12
16
12
16
12
16
12
16
12
16
12
12
16
12
12
16
16
16
20
16
16
20
28
Goodyear
Front
Rear
kPa
psi
kPa
psi
228
33
324
47
200
29
303
44
248
36
352
51
228
33
324
47
248
36
372
54
248
36
352
33
25
324
324
47
47
172
25
303
44
25
276
Triangle
Front
Rear
kPa
psi
kPa
psi
152
22
200
29
207
30
241
35
152
22
172
25
207
30
241
35
200
29
290
42
207
30
276
40
200
29
255
37
207
30
276
40
207
30
276
40
241
207
35
30
310
276
45
40
172
25
290
42
207
207
30
30
241
241
35
35
172
25
255
37
207
241
30
35
310
379
45
55
207
207
30
30
241
276
35
40
345
50
379
55
51
228
172
172
Inflation Pressure
Bridgestone/Firestone
Front
Rear
kPa
psi
kPa
psi
241
35
310
45
207
30
276
40
40
*Refer to Tire Load Worksheet to determine proper ply rating.
32
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Tires
Standard Cold Inflation Pressures
● Motor Graders — Radial Ply
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
MOTOR GRADERS — Radial Ply
Inflation Pressure
Model
Tire Size
Strength
Rating
Michelin
Front
kPa
120M/M2/M3
13.00R24
psi
Goodyear
Rear
kPa
psi
Front
kPa
psi
Bridgestone
Rear
kPa
psi
★
14.00R24
★
15.5R25
★
241
35
345
50
276
40
372
54
Not Approved
Front
Titan
Rear
kPa
psi
kPa
psi
276
40
379
55
241
35
359
52
241
35
310
45
17.5R25
★
207
30
276
40
228
33
303
44
207
30
241
35
140M/M2/M3
14.00R24
★
276
40
345
50
303
44
372
54
241
35
345
50
17.5R25
★
207
30
276
40
248
36
303
44
221
32
290
42
160M/M2/M3
14.00R24
★
276
40
345
50
324
47
427
62
241
35
359
52
17.5R25
★
207
30
276
40
248
36
352
51
241
35
310
45
13.00R24
★
276
40
379
55
12M/M2/M3
Not Approved
14.00R24
★
207
30
310
45
303
44
372
54
262
38
359
52
17.5R25
★
207
30
241
35
248
36
303
44
207
30
290
42
Front
kPa
psi
Rear
kPa
psi
16.00R24
★
310
45
345
50
248
36
427
62
207
30
359
52
20.5R25
★
207
30
310
45
248
36
324
47
207
30
310
45
207
30
310
45
16M/M3
23.5R25
★, ★★
207
30
310
45
172
25
324
47
207
30
290
42
207
30
310
45
24M/M3
29.5R29
★, ★★
310
45
379
55
324
47
476
69
345
50
414
60
14M/M3
NOTE: These are general inflation pressures. For applications such as slope and ditching service, the inflation pressures should be increased by 100 kPa (15 psi)
with NO increase in carrying capacity. Any extreme conditions should be referred to your local tire supplier OR representative for recommended on
pressures, sizes, patterns, and compounds for specific application. The recommended inflation pressures provided are a starting point for the machine
shown.
32-62
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Standard Cold Inflation Pressures
— Bias and Radial Ply
Tires
● Wheel Tractor-Scrapers
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
WHEEL TRACTOR-SCRAPERS — Bias Ply
Inflation Pressure
Goodyear
Model
Tire Size
Ply Rating
Front
kPa
Bridgestone/Firestone
Rear
psi
kPa
Front
psi
Rear
Titan
Front
Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
621H
33.25-29
26, 32, 38
379
55
379
55
414
60
345
50
623H
33.25-29
26, 32, 38
379
55
379
55
414
60
345
50
627H
33.25-29
26, 32, 38
379
55
379
55
414
60
414
60
631G
37.25-35
36, 42
427
62
372
54
448
65
448
65
637G
37.25-35
36, 42
448
65
427
62
448
65
448
65
657G
37.5-39
52
WHEEL TRACTOR-SCRAPERS — Radial Ply
Inflation Pressure
Michelin
Model
Tire Size
Ply Rating
Front
kPa
621H
623H
627H
29.5R29
★★
33.25R29
★★
29.5R29
★★
33.25R29
★★
29.5R29
★★
33.25R29
★★
psi
Goodyear
Rear
kPa
Front
psi
kPa
psi
Bridgestone
Rear
kPa
Front
psi
Rear
kPa
psi
kPa
517
75
517
psi
75
65
448
65
448
65
414
60
448
517
75
517
75
448
65
414
60
448
65
448
65
517
75
517
75
483
70
483
70
448
65
448
65
631G
37.25R35
★★
552
80
483
70
476
69
427
62
552
80
552
80
637G
37.25R35
★★
552
80
503
73
524
76
476
69
552
80
552
80
657G
40.5/75R39
★★
600
87
524
76
572
83
572
83
621
90
621
90
32
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Tires
Standard Cold Inflation Pressures
● Articulated Trucks — Radial Ply
● Mining & Off-Highway Trucks — Bias Ply
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
ARTICULATED TRUCKS — Radial Ply
Inflation Pressure
Model
Tire Size
Ply
Rating
Michelin
Front
Goodyear
Center
Rear
psi
kPa
Front
kPa
psi
kPa
psi
400
58
325 47.1 325 47.1
725C
23.5R25
★★
730C
23.5R25
★★
450 65.3 425 61.6 425 61.6
750/65R25
★★
290 42.1 360 52.2 360 52.2
730C EJ
735B
26.5R25
★★
448
65
414
60
414
60
740B
29.5R25
★★
414
60
414
60
414
60
740B EJ
29.5R25
★★
345
50
414
60
414
60
Bridgestone
Center
Rear
Front
Center
psi
kPa
Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
483
70
448
65
448
65
427
62
400
58
400
58
448
65
427
62
427
62
372
54
503
73
476
69
ARTICULATED TRUCKS — Radial Ply
Inflation Pressure
Model
Tire Size
Titan
Ply
Rating
Front
Yokohama
Center
Rear
Front
Center
Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
735B
26.5R25
★★
552
80
483
70
483
70
517
75
483
70
483
70
740B
29.5R25
★★
483
70
448
65
448
65
483
70
448
65
448
65
740B EJ
29.5R25
★★
483
70
448
65
448
65
MINING & OFF-HIGHWAY TRUCKS – BIAS PLY
Inflation Pressure
Model
Tire Size
Ply
Rating
Goodyear
Front
Bridgestone
Rear
Front
Eurotire
Rear
Front
Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
572
83
572
83
621
90
621
90
700
102
700
102
773E*
24.00-35
42, 48
773G*
24.00-35
42, 48
621
90
621
90
700
102
700
102
775G*
24.00-35
42, 48
621
90
621
90
725
105
725
105
777D*
27.00-49
48
621
90
621
90
725
105
725
105
777G*
27.00-49
48
621
90
621
90
725
105
725
105
785D
33.00-51
58
725
105
725
105
793D/F
40.00-57
68
715
104
715
104
572
83
572
83
*Choosing Bias Ply tires may require reduction in payload or speed. Consult factory for specific details.
32-64
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●
Standard Cold Inflation Pressures
Mining & Off-Highway Trucks — Radial Ply
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
MINING & OFF-HIGHWAY TRUCKS — Radial Ply
Inflation Pressure
Michelin
Model
Tire Size
Ply Rating
Front
Goodyear
Rear
Front
Bridgestone
Rear
Front
Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
116
800
116
770G
18.00R33
★★, ★★★
752
109
752
109
800
116
800
116
800
772G
21.00R33
★★
703
102
703
102
703
102
703
102
703
102
703
102
773E
24.00R35
★★
572
83
572
83
627
91
627
91
689
100
689
100
773G
24.00R35
★★
703
102
703
102
689
100
689
100
775G
24.00R35
★★
724
105
724
105
689
100
689
100
777D
27.00R49
★★
648
94
703
102
703
102
710
103
703
102
703
102
777G
27.00R49
★★
689
100
689
100
703
102
731
106
703
102
703
102
785D
33.00R51
★★
724
105
724
105
800
116
800
116
724
105
724
105
789D
37.00R57
★★
627
91
627
91
758
110
758
110
40.00R57
★★
552
80
552
80
40.00R571
★★
724
105
724
105
724
105
724
105
46/90R571
★★
793
115
793
115
50/80R572
★★
46/90R57
★★
50/80R57
★★
56/80R63
★★
59/80R63
★★
59/80R63
★★
793D/F
MT4400D AC
795F
797F
621
90
621
724
105
724
105
745
108
765
111
90
Consult Bridgestone
Consult Michelin
655
95
621
90
Not Approved
689
100
689
Not Approved
703
100
102
703
Not Approved
102
703
102
703
102
724
105
724
105
1
For both 793 D and F Series. Used on 813 mm (32") rim standard life wheel station only, not approved for use on 737 mm (29") rim or extended life wheel station.
2
For 793 F Series only. Used on 813 mm (32") rim with wide extended life wheel station.
32
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Tires
Standard Cold Inflation Pressures
● Mining & Off-Highway Trucks — Radial Ply
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
MINING & OFF-HIGHWAY TRUCKS — Radial Ply
Inflation Pressure
Titan
Model
Tire Size
Ply Rating
Front
Triangle
Rear
Front
Eurotire
Rear
Front
Rear
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
kPa
psi
793
115
827
120
800
116
800
116
800
116
800
116
770G
18.00R33
★★, ★★★
772G
21.00R33
★★
700
102
700
102
700
102
700
102
773E
24.00R35
★★
689
100
621
90
700
102
700
102
700
102
700
102
773G
24.00R35
★★
689
100
689
100
700
102
700
102
700
102
700
102
775G
24.00R35
★★
758
110
724
105
720
104
720
104
725
105
720
104
777D
27.00R49
★★
724
105
724
105
725
105
725
105
777G
27.00R49
★★
724
105
724
105
725
105
725
105
785D
33.00R51
★★
725
105
725
105
789D
37.00R57
★★
725
105
725
105
40.00R57
★★
40.00R571
★★
800
116
750
109
46/90R571
★★
750
109
750
109
50/80R572
★★
46/90R57
★★
50/80R57
★★
56/80R63
★★
59/80R63
★★
59/80R63
★★
793D/F
MT4400D AC
795F
797F
1
For both 793 D and F Series. Used on 813 mm (32") rim standard life wheel station only, not approved for use on 737 mm (29") rim or extended life wheel station.
2
For 793 F Series only. Used on 813 mm (32") rim with wide extended life wheel station.
32-66
Edition 44
PHB-Sec32-14.indd 66
12/20/13 9:14 AM
Standard Cold Inflation Pressures
Loaders — Bias and Bias Belted
Tires
● Wheel
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
WHEEL LOADERS — Bias and Bias Belted
Inflation Pressure
Goodyear
Model
Tire Size
Ply Rating
Front
kPa
904H
914G
924H
924Hz
928Hz
930H
938H
950H/K
12-16.5
10
33-15.5x16.5
12
Rear
psi
kPa
Front
psi
Rear
kPa
psi
kPa
psi
240
35
175
25
12
240
35
210
30
17.5-25
12
400
58
300
44
240
35
210
30
17.5-25
12
400
58
300
44
380
55
275
40
20.5-25
12
250
36
210
30
275
40
210
30
17.5-25
12
400
58
300
44
380
55
275
40
20.5-25
12
400
58
300
44
275
40
210
30
17.5-25
12
400
58
300
44
380
55
275
40
20.5-25
12
400
58
300
44
275
40
210
30
23.1-26
14
17.5-25
12
400
58
300
44
380
55
275
40
20.5-25
12
400
58
300
44
275
40
210
30
23.1-26
14
20.5-25
16
352
51
248
36
345
50
207
30
20.5-25
20
372
54
248
36
345
50
207
30
23.5-25
16, 20, 24
379
55
241
35
352
51
207
30
414
60
241
35
379
55
241
35
58
276
40
414
60
276
40
40
23.5-25
725/70-25
16
16, 20
Titan
Front
15.5-25
725/70-25
962H/K
Bridgestone/Firestone
16
Rear
kPa
psi
kPa
psi
345
50
241
35
379
55
241
35
60
966H/K/M
26.5-25
20, 24, 26
400
972H/K/M
26.5-25
20, 24, 26
448
65
303
44
448
65
276
980H/K
29.5-25
22, 28
427
62
276
40
586
85
379
55
988H/K*
35/65-33
36, 42
627
91
427
62
655
95
414
60
689
100
414
42
552
80
352
51
586
85
414
60
724
105
414
60
627
91
427
62
724
105
483
70
827
120
724
105
724
105
483
70
600
87
400
58
990H
41.25/70-39
992K
45/65-45
46, 58
993K
50/65-51
62
994H/K**
52/80-57
68
53.5/85-57
76
724
105
483
70
58/85-57
84
724
105
483
70
32
**Goodyear recommended 600/400 kPa (87/58 psi) front/rear pressures for standard machine and 627/427 kPa (91/62 psi) for high-lift machine.
**Goodyear recommended 600/400 kPa (87/58 psi) front/rear pressures for standard and high lift machine, 703/503 kPa (102/73 psi) for extended high lift
machine, and 772/572 kPa (112/83 psi) for super high lift machine.
Bridgestone/Firestone inflation pressure for Giant loader tires (992K and above) are in reference to applications without chains. For use with chains please
consult your Bridgestone/Firestone representative.
For pressures not listed, consult your local tire supplier for operating pressures.
Edition 44
PHB-Sec32-14.indd 67
32-67
12/20/13 9:14 AM
Tires
Standard Cold Inflation Pressures
● Wheel Loaders — Radial Ply
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
WHEEL LOADERS — Radial Ply
Inflation Pressure
Michelin
Model
Tire Size
906H
405/70R18
335/80R18
340/80R18
908H
375/75R20
914G
17.5R25
924H
17.5R25
20.5R25
550/65R25
924Hz
17.5R25
20.5R25
928Hz
17.5R25
20.5R25
600/65R25
930H
17.5R25
20.5R25
938H
20.5R25
550/65R25
650/65R25
950H/K
23.5R25*
650/65R25
750/65R25
962H/K
23.5R25
750/65R25
966H/K/M 26.5R25*
750/65R25
775/65R29
972H/K/M 26.5R25**
750/65R25
775/65R29
980H/K
29.5R25***
875/65R29
988H/K
35/65R33
35/65R33
875/65R33****
990H
45/65R39
992K
45/65R45
993K
50/65R51
994H/K
55/80R57
55.5/80R57
60/80R57
58/80R63
Front
Ply Rating
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★, ★★
★
★
★, ★★
★
★, ★★
★
★★
★, ★★
★
★★
★, ★★
★★
★
★★
★★
★, ★★
★, ★★
★, ★★
★
★★
★
★★
Goodyear
Rear
Front
kPa
psi
kPa
psi
345
345
345
275
275
50
50
50
40
40
345
345
345
210
210
50
50
50
30
30
450
310
380
275
275
345
275
379
414
414
448
380
345
448
345
414
345
65
45
55
40
40
50
40
55
60
60
65
55
50
65
50
60
50
275
240
275
210
210
210
210
276
310
310
241
210
310
241
207
241
241
40
35
40
30
30
30
30
40
45
45
35
30
45
35
30
35
35
414
448
60
65
276
345
40
50
517
552
586
655
75
80
85
95
276
310
448
448
40
45
65
65
586
621
586
621
85
90
85
90
345
414
490
448
50
60
71
65
Rear
kPa
psi
kPa
psi
350
51
250
36
300
44
225
33
300
44
225
33
450
65
305
44
476
69
303
44
476
69
303
44
476
69
303
44
427
524
62
76
276
324
40
47
448
552
448
600
65
80
65
87
303
352
303
400
44
51
44
58
627
552
655
91
80
95
427
352
503
62
51
73
****Goodyear recommended 448/303 kPa (65/44 psi) front/rear pressures for 950H, 950K, and 966H.
****Goodyear recommended 476/303 kPa (69/44 psi) front/rear pressures for 972H and 503/303 kPa (73/44 psi) for 972K.
****Goodyear recommended 503/303 kPa (73/44 psi) front/rear pressures for 988H and 524/324 kPa (76/47 psi) for 980K.
****Goodyear recommended 627/427 kPa (91/62 psi) front/rear pressures for 988H/988K standard and high lift machine and 800/600 kPa (116/87 psi) for
988H Logger and Block Handler machine.
Bridgestone inflation pressure for Giant loader tires (992K and above) are in reference to applications without chains. For use with chains please consult your
Bridgestone representative.
32-68
Edition 44
PHB-Sec32-14.indd 68
12/20/13 9:14 AM
Standard Cold Inflation Pressures
● Wheel Loaders — Radial Ply
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
WHEEL LOADERS — Radial Ply
Inflation Pressure
Bridgestone
Model
906H
Tire Size
405/70R18
335/80R18
340/80R18
908H
375/75R20
914G
17.5R25
924H
17.5R25
20.5R25
550/65R25
924Hz
17.5R25
20.5R25
928Hz
17.5R25
20.5R25
600/65R25
930H
17.5R25
20.5R25
938H
20.5R25
550/65R25
650/65R25
950H/K
23.5R25*
650/65R25
750/65R25
962H/K
23.5R25
750/65R25
966H/K/M 26.5R25*
750/65R25
775/65R29
972H/K/M 26.5R25**
750/65R25
775/65R29
980H/K
29.5R25***
875/65R29
988H/K
35/65R33
35/65R33
875/65R33****
990H
45/65R39
992K
45/65R45
993K
50/65R51
994H/K
55/80R57
55.5/80R57
60/80R57
58/80R63
Front
Ply Rating
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★
★, ★★
★
★
★, ★★
★
★, ★★
★
★★
★, ★★
★
★★
★, ★★
★★
★
★★
★★
★, ★★
★, ★★
★, ★★
★
★★
★
★★
Titan
Rear
Front
kPa
psi
kPa
psi
415
415
415
60
60
60
275
310
275
40
45
40
415
415
60
60
310
275
45
40
415
60
310
45
415
310
60
45
310
210
275
379
40
55
414
379
414
414
483
483
448
483
483
586
517
655
689
Rear
kPa
psi
kPa
psi
45
30
241
35
241
35
175
241
25
35
483
70
379
55
60
55
60
60
70
70
65
70
70
85
75
95
100
276
241
276
276
345
345
276
345
345
379
379
414
524
40
35
40
40
50
50
40
50
50
55
55
60
76
552
80
379
55
448
65
414
60
483
70
414
60
621
90
448
65
758
110
483
70
621
724
724
90
105
105
483
483
483
70
70
70
793
793
115
115
517
517
75
75
724
105
483
70
758
110
552
80
32
****Goodyear recommended 448/303 kPa (65/44 psi) front/rear pressures for 950H, 950K, and 966H.
****Goodyear recommended 476/303 kPa (69/44 psi) front/rear pressures for 972H and 503/303 kPa (73/44 psi) for 972K.
****Goodyear recommended 503/303 kPa (73/44 psi) front/rear pressures for 988H and 524/324 kPa (76/47 psi) for 980K.
****Goodyear recommended 627/427 kPa (91/62 psi) front/rear pressures for 988H/988K standard and high lift machine and 800/600 kPa (116/87 psi) for
988H Logger and Block Handler machine.
Bridgestone inflation pressure for Giant loader tires (992K and above) are in reference to applications without chains. For use with chains please consult your
Bridgestone representative.
Edition 44
PHB-Sec32-14.indd 69
32-69
12/20/13 9:14 AM
Tires
Standard Cold Inflation Pressures
● Log Loaders — Bias and Bias Belted
● Log Loaders — Radial Ply
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
LOG LOADERS — Bias and Bias Belted
Inflation Pressure
Model
Tire Size
IT14G
924H Versalink™
Goodyear
Strength
Index
15.5-25
12
17.5-25
12
17.5-25
12
20.5-25
12
Bridgestone/Firestone
Front
Rear
Front
kPa
psi
kPa
psi
352
51
248
36
kPa
Rear
psi
kPa
psi
Consult Bridgestone/Firestone
930H Versalink
20.5-25
12
938H
20.5-25
16, 20
400
58
276
40
310
45
207
30
950H
23.5-25
20
372
54
276
40
345
50
207
30
966H
26.5-25
20, 26
448
65
276
40
414
60
276
40
980H
29.5-25
28
427
62
276
40
586
85
379
55
988K
35/65-33
42
655
95
414
60
990H
41.25/70-39
42
Consult Goodyear
Consult Bridgestone/Firestone
NOTE: Contact your tire supplier to obtain or confirm proper Log Loader pressures.
NOTE: Pressures for “Log Loaders” are not approved because general application of machine exceeds tire load limit.
LOG LOADERS — Radial Ply
Inflation Pressure
Model
Tire Size
IT14G
924H
930H
938H
Front
Goodyear
Rear
kPa
psi
kPa
psi
Front
kPa
psi
Bridgestone
Rear
kPa
psi
Front
Eurotire
Rear
kPa
psi
kPa
psi
345
50
276
40
★
414
60
276
40
17.5R25
★
345
50
207
30
414
60
310
45
345
50
276
40
17.5R25
★
414
60
207
30
427
62
276
40
345
50
276
40
20.5R25
★
310
45
207
30
324
47
228
33
345
50
276
40
550/65R25
★
310
45
207
30
324
47
228
33
414
60
310
45
20.5R25
★
379
55
207
30
414
60
310
45
345
50
276
40
650/65R25
★
310
45
207
30
414
60
310
45
20.5R25
★
414
60
276
40
550/65R25
★
414
60
241
35
600/65R25
★
30
23.5R25
650/65R25
750/65R25
966H
Michelin
15.5R25
650/65R25
950H
Strength
Index
26.5R25
750/65R25
★
345
50
207
★, ★★
450
65
276
40
★
345
50
241
35
★
276
40
207
30
★, ★★
414
60
276
40
★
414
60
276
40
517
75
276
40
980H
29.5R25
★, ★★
988K
35/65R33
★★
990H
45/65R39
★, ★★
Consult Michelin
448
65
303
44
310
45
207
30
476
69
303
44
345
50
207
30
448
65
303
44
414
60
276
40
503
73
303
44
586
85
379
55
800
116
600
87
655
95
414
60
Front
Rear
kPa
psi
kPa
psi
585
85
380
55
Consult Bridgestone
NOTE: Contact your tire supplier to obtain or confirm proper Log Loader pressures.
NOTE: Pressures for “Log Loaders” are not approved because general application of machine exceeds tire load limit.
32-70
Edition 44
PHB-Sec32-14.indd 70
12/20/13 9:14 AM
●
Standard Cold Inflation Pressures
Integrated Toolcarriers — Bias and Bias Belted
● Integrated Toolcarriers — Radial Ply
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
INTEGRATED TOOLCARRIERS — Bias and Bias Belted
Inflation Pressure
Goodyear
Model
IT14G
924H Versalink
Tire Size
Front
Ply Rating
Bridgestone/Firestone
Rear
Front
kPa
psi
kPa
psi
45
207
30
15.5-25
12
310
17.5-25
12
276
40
172
25
17.5-25
12
310
45
241
35
20.5-25
12
276
40
207
30
kPa
Rear
psi
kPa
psi
Consult Bridgestone/Firestone
930H Versalink
20.5-25
12
276
40
207
30
IT38H
20.5-25
16, 20
400
58
276
40
379
55
276
40
IT62H
23.5-25
16
372
54
248
36
345
50
207
30
NOTE: Contact your tire supplier to obtain or confirm proper Integrated Toolcarrier pressures.
INTEGRATED TOOLCARRIERS — Radial Ply
Inflation Pressure
Michelin
Model
Tire Size
Ply Rating
Front
Goodyear
Rear
Front
kPa
psi
kPa
psi
kPa
psi
Bridgestone
Rear
kPa
Front
psi
Rear
kPa
psi
kPa
psi
345
50
276
40
15.5R25
★
276
40
207
30
17.5R25
★
241
35
207
30
414
60
310
45
207
30
310
45
17.5R25
★
345
50
207
30
414
60
310
45
345
50
276
40
20.5R25
★
310
45
207
30
414
60
310
45
345
50
276
40
550/65R25
★
276
40
207
30
414
60
310
45
17.5R25
★
345
50
207
30
414
60
310
45
345
50
276
40
20.5R25
★
276
40
207
30
414
60
310
45
345
50
276
40
550/65R25
★
414
60
310
45
600/65R25
★
IT38H
20.5R25
IT62H
23.5R25
IT14G
924H
930H
310
45
207
30
★
276
40
207
30
427
62
276
40
448
65
241
35
★
345
50
241
35
427
62
276
40
345
50
207
30
NOTE: Contact your tire supplier to obtain or confirm proper Integrated Toolcarrier pressures.
32
Edition 44
PHB-Sec32-14.indd 71
32-71
12/20/13 9:14 AM
Tires
Standard Cold Inflation Pressures
● Wheel Dozers — Bias and Radial Ply
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
WHEEL DOZERS — Bias Ply
Inflation Pressure
Goodyear
Model
Tire Size
Front
Ply Rating
kPa
Bridgestone/Firestone
Rear
psi
kPa
Front
psi
kPa
Titan
Rear
psi
kPa
Front
psi
814F2
18.00-25
23.5-25
12, 20
248
36
228
33
824H
29.5-25
22, 28
248
36
248
36
276
40
276
40
834K
35/65-33
24, 30, 42
324
47
324
47
345
50
345
50
844H
41.25/70-39
34, 42
303
44
303
44
517
75
517
75
854K
45/65-45
46, 50, 58
427
62
276
40
655
95
414
60
Rear
kPa
psi
kPa
psi
379
55
414
60
483
70
414
60
12
WHEEL DOZERS — Radial Ply
Inflation Pressure
Michelin
Model
814F2
824H
834K
Tire Size
Ply Rating
Front
Goodyear
Rear
kPa
psi
kPa
psi
379
55
379
55
Front
kPa
psi
Bridgestone
Rear
kPa
psi
Front
kPa
psi
Titan
Rear
kPa
psi
23.5R25
★
26.5R25
★
310
45
310
45
29.5R25
★
276
40
241
35
400
58
303
44
345
50
345
50
★★
310
45
276
40
400
58
303
44
345
50
345
50
35/65R33
★, ★★
345
50
345
50
345
50
345
50
875/65R33
★★
400
58
400
58
844H
45/65R39
854K
45/65R45
(1150/65R45)
32-72
Edition 44
PHB-Sec32-14.indd 72
★
379
55
379
55
400
58
400
58
552
80
414
60
★, ★★
379
55
310
45
448
65
448
65
427
62
427
62
Front
Rear
kPa
psi
kPa
psi
448
65
414
60
483
70
414
60
12/20/13 9:14 AM
●
Standard Cold Inflation Pressures
Hard Rock Underground Mining — Bias and Radial Ply
Tires
Optimal pressures may vary depending on specific applications and working conditions. Always consult your local tire supplier for operating pressures.
HARD ROCK UNDERGROUND MINING — Bias and Radial Ply
Inflation Pressure
Michelin
Model
Tire Size
Ply Rating
Front
Goodyear
Rear
Front
kPa
psi
kPa
psi
691
100
622
90
Bridgestone
Rear
Front
kPa
psi
kPa
psi
552
80
448
65
552
80
448
65
552
80
448
65
690
100
552
80
650
94
650
94
Rear
kPa
psi
kPa
psi
650
94
480
70
650
94
450
65
650
94
450
65
650
94
450
65
650
94
450
65
LOAD-HAUL-DUMP LOADERS
R1300G
R1600H
R1700G
R2900G
R3000H
17.5R25
★★
17.5-25
20
18.0R25
★★
18.0-25
28
26.5R25
★★
26.5-25
32
29.5R29
★★
29.5-29
34, 40
35/65R33
★★
875/65R33
★
691
622
622
100
90
90
518
415
415
75
60
60
ARTICULATED TRUCKS
AD30
26.5R25
★, ★★
415
60
553
80
517
75
448
65
650
94
650
94
AD45B
29.5R29
★★
449
65
518
75
517
75
517
75
650
94
650
94
AD55
35/65R33
★, ★★
656
95
656
95
650
94
650
94
AD60
35/65R33
★, ★★
650
94
650
94
32
Edition 44
PHB-Sec32-14.indd 73
32-73
12/20/13 9:14 AM
Tires
Liquid Ballasting Table
● 75% Fillage
BIAS PLY TIRES
Weight
Increase
Per Tire
Tire Size
RADIAL PLY TIRES
Mixing Proportions
CaCl
Weight
Increase
Per Tire
Water
Mixing Proportions
CaCl
Water
kg
lb
kg
lb
L
gal
kg
lb
kg
lb
L
13.00-24TG
188
414
55
122
132
35
185
407
57
125
128
gal
34
14.00-24TG
215
475
63
140
151
40
256
565
79
173
179
47
15.5-25
192
423
56
125
136
36
224
493
69
151
155
41
16.00-24TG
333
735
98
217
234
62
355
783
109
240
246
65
17.5-25
262
577
77
170
185
49
311
686
95
210
216
57
18.00-25
454
1002
134
296
322
85
502
1107
154
340
348
92
18.4-34
417
919
123
272
295
78
—
—
—
—
—
—
20.5-25
405
892
119
263
284
75
448
987
137
303
310
82
23.1-26
522
1151
154
340
367
97
—
—
—
—
—
—
23.5-25
585
1291
173
382
412
109
633
1396
194
428
439
116
24.5-32
703
1549
207
458
496
131
—
—
—
—
—
—
26.5-25
758
1671
224
494
533
141
841
1853
258
568
583
154
26.5-29
752
1658
222
490
530
140
928
2045
284
627
644
170
28L-26
709
1563
209
462
500
132
—
—
—
—
—
—
29.5-25
970
2139
286
632
685
181
1073
2368
328
723
745
197
29.5-29
1050
2315
310
684
738
195
1190
2623
365
804
825
218
29.5-35
1159
2556
344
758
821
217
1286
2835
394
869
892
236
30.5L-32
874
1928
258
570
617
163
—
—
—
—
—
—
33.25-35
1485
3275
439
968
1048
277
1592
3508
487
1074
1105
292
390
37.25-35
1712
3775
505
1115
1211
320
2128
4692
653
1439
1476
38-39
1870
4123
552
1218
1317
348
—
—
—
—
—
—
35/65-33
1339
2953
396
873
942
249
1430
3152
438
967
992
262
402
40/65-39
2077
4580
614
1353
1465
387
2194
4836
673
1483
1522
41.25/70-39
1897
4183
561
1236
1336
353
—
—
—
—
—
—
45/65-45
2548
5617
753
1659
1794
474
—
—
—
—
—
—
NOTE: Ballast weight for bias ply tires from Goodyear data, radial ply weights from Michelin data. Contact your tire supplier for additional information. Under
abnormal tire wear conditions, ballasting of rear tires may be desirable. Ballasting of front tires also should only be done where extremely rapid tire
wear rates are encountered. Excessive weight will reduce machine performance.
NOTE: Fillage beyond 75% of tire enclosed volume is not recommended. With liquid ballasting, inflation pressure must be checked at least once per day.
NOTE: 1.6 kg (31⁄2 lb) Calcium Chloride per gallon water. Solution weighs 4.6 kg (10.15 lb) per gallon.
NOTE: Total machine mass including all attachments in operating condition, all reservoirs at full capacity and ballasted tires must not exceed certification mass
listed on the ROPS certification label.
NOTE: Special air to water valves are required for liquid filled tires.
32-74
Edition 44
PHB-Sec32-14.indd 74
12/20/13 9:14 AM

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