571
10-1. Specifications
10
Vehicle specifications
Tire size
DOT and Tire Identification Number (TIN)
Location of treadwear indicators
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the strands which form the plies
in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked “RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the tire. A tube type tire has a
tube inside the tire and the tube maintains the air pressure.
Load limit at maximum cold tire inflation pressure
Maximum cold tire inflation pressure
This means the pressure to which a tire may be inflated.
Uniform tire quality grading
For details, see P.573that follows.
Summer tires or all season tires
An all season tire has “M+S” on the sidewall. A tire not marked “M+S” is a summer tire.
Tire information
Typical tire symbols
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