598 9-1. Specifications
Typical DOT and Tire Identification Number( TIN)
A
DOT symbol *
Tire Identification Number( TIN)
Tire manufacturer’ s identification mark
Manufacturer’ s code Manufacturing week Manufacturing year *: The DOT symbol certifies that the
tire conforms to applicable Federal Motor Vehicle Safety Standards.
A Section width( millimeters)
Aspect ratio( tire height to section width)
Tire construction code( R = Radial, D = Diagonal)
Wheel diameter( inches)
Load index( 2 digits or 3 digits)
Speed symbol( alphabet with one letter)
n Tire dimensions
Tire size
n Typical tire size information
The illustration indicates typical tire size.
A Section width Tire height Wheel diameter