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•
Section width
- This number gives the width of the tire
in inches. The larger the number, the wider the tire.
(The markings on the example tire diagram show 4.80.
The markings on your tire may differ.)
•
inner diameter
- This number gives the inner diameter
of the tire in inches. This is also the rim diameter in
inches. (The markings on the example tire diagram
show 12. The markings on your tire may differ.)
•
U.S. DOT tire identification number
the letters "DOT" and indicates that the tire meets all
federal standards. The next two numbers or letters
are the plant code where it was manufactured, and the
last four numbers represent the week and year that the
tire was built. For example, the numbers 2107 mean
the 21st week of 2007. Any other numbers used are
marketing codes used at the manufacturer's discretion.
This information is used to contact consumers if a tire
defect requires a recall.
•
maximum Load Rating
maximum load in kilograms and pounds that can be
carried by the tire.
Load index Rating Codes
Code Pounds
Code Pounds
71
761
85
72
783
86
73
805
87
74
827
88
75
853
89
76
882
90
77
908
91
78
937
92
79
963
93
80
992
94
81
1,019
95
82
1,047
96
83
1,074
97
84
1,102
98
• Load index- This is a measurement of how much
weight each tire can support. See chart above. (The
markings on the example tire diagram show 71. The
markings on your tire may differ.) Note: You may
not find this information on all tires because it is not
required by law.
SKU 42708
- This begins with
- This number indicates the
Code Pounds
1,135
99
1,709
1,168
100
1,764
1,201
101
1,819
1,235
102
1,874
1,279
103
1,929
1,323
104
1,984
1,356
105
2,039
1,389
106
2,094
1,433
107
2,149
1,477
108
2,205
1,521
109
2,271
1,565
110
2,337
1,609
1,653
For technical questions, please call 1-800-444-3353.
Tire Speed Rating Codes
Code mPH
Code mPH
F
50
N
G
56
P
J
62
Q
K
68
R
L
75
S
M
81
T
• Speed Rating- The speed rating denotes the speed
at which a tire is designed to be driven for extended
periods of time. This does not indicate that the vehicle
or rims can safely reach or maintain that speed. These
ratings are listed to the right. (The markings on the
example tire diagram show M. The markings on your
tire may differ.) Note: You may not find this information
on all tires because it is not required by law.
•
Tire Ply Composition and materials Used
number of plies indicates the number of layers of
rubber-coated fabric in the tire. In general, the greater
the number of plies, the more weight a tire can support.
Tire manufacturers also must indicate the materials
in the tire, which include steel, nylon, polyester, and
others.
•
maximum Permissible inflation Pressure
number is the greatest amount of air pressure that
should ever be put in the tire under normal driving
conditions.
Code mPH
87
U
124
94
H
130
100
V
149
106
Z
149
112
W
168
118
Y
186
- The
- This
REV 07f, 09b, 09g
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