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10-1. Specifications
Typical DOT and Tire Identifica-
tion Number (TIN)
Type A
*
DOT symbol
A
Tire Identification Number (TIN)
B
Tire manufacturer's identification
C
mark
Tire size code
D
Manufacturer's optional tire type
E
code (3 or 4 letters)
Manufacturing week
F
Manufacturing year
G
Type B
*
DOT symbol
A
Tire Identification Number (TIN)
B
Tire manufacturer's identification
C
mark
Manufacturer's code
D
Manufacturing week
E
Manufacturing year
F
*
: 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.
Tire use
A
(P = Passenger car, T = Temporary use)
Section width (millimeters)
B
Aspect ratio (tire height to section
C
width)
Tire construction code
D
(R = Radial, D = Diagonal)
Wheel diameter (inches)
E
Load index (2 digits or 3 digits)
F
Speed symbol (alphabet with one
G
letter)
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