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9-1. Specifications
Typical DOT and Tire Identification Number (TIN)
1
DOT symbol
2
Tire Identification Number (TIN)
3
Tire manufacturer's identifica-
tion mark
4
Tire size code
5
Manufacturer's
type code (3 or 4 letters)
6
Manufacturing week
7
Manufacturing year
*
: The DOT symbol certifies that
the tire conforms to applicable
Federal Motor Vehicle Safety
Standards.
Tire size
■
Typical tire size information
The illustration indicates typical
tire size.
1
Tire use
(P = Passenger car,
T = Temporary use)
2
Section width (millimeters)
3
Aspect ratio
(tire height to section width)
4
Tire construction code
(R = Radial, D = Diagonal)
5
Wheel diameter (inches)
6
Load index
(2 digits or 3 digits)
7
Speed symbol
(alphabet with one letter)
*
optional
tire
I n f o r ma t i o n P r o v i d e d b y :