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6-1. Specifications
Typical DOT and tire identification number (TIN)
Tire size
Typical tire size information
n
426
*
DOT symbol
Tire Identification Number (TIN)
Tire manufacturer's identifica-
tion mark
Tire size code
Manufacturer's optional tire
type code (3 or 4 letters)
Manufacturing week
Manufacturing year
*
: The DOT symbol certifies that
the tire conforms to applicable
Federal Motor Vehicle Safety
Standards.
The illustration indicates typical
tire size.
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 or 3 digits)
Speed symbol
(alphabet with one letter)
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