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6-1. Specifications
Typical DOT and tire identification number (TIN)
“DOT” symbol*
Tire Identification Number (TIN)
Tire manufacturer’s identification
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.
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