468 SERVICING AND MAINTENANCE
Tire Sizing Chart
EXAMPLE:
Example Size Designation: P215/65R15XL 95H, 215/65R15 96H, LT235/85R16C, T145/80D18 103M, 31x10.5 R15 LT
P
= Passenger car tire size based on U.S. design standards, or
"..
..blank...." = Pa
ssenger car tire based on European design standards, or
LT = Light truck tire based on U.S. design standards, or
T or
S = Temporary spare tire, or
31 = O
verall diameter in inches (in)
215
, 235, 145 = Se
ction width in millimeters (mm)
65, 85, 80 = Aspect ratio in percent (%)
• Rat
io of section height to section width of tire, or
10.
5 = Section width in inches (in)
R = Construction code
•
"R"
means radial construction, or
• "D"
means diagonal or bias construction
15,
16, 18 = Rim diameter in inches (in)
Ser
vice Description:
95
= Load Index
• A n
umerical code associated with the maximum load a tire can carry
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