Tire Identification Number
Tires with DOT codes meet the guidelines of the U.S. Department of Transportation.
DOT code:
DOT xxxx xxx 3410
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
3410: tire age
See also:
Uniform Tire Quality Grading
Quality grades can be found where applicable
on the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 Traction AA
Temperature A ...
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