Tire labeling
Overviewoftirelabeling
1
Uniform Tire Quality Grading Standard
(/ page459)
2
DOT, Tire Identification Number
(/ page460)
3
Maximumtireload(/page461 )
4
Maximumtirepressure (/ page461 )
5
Manufacturer
6
Characteristics of thetire(/page462)
7
Tire size designation, load-bearing capacity,
speed rating and load index (/ page462)
8
Tire name
%
The data shown in theimageisexample
data.
Tire Quality Grading
In accordance withthe US Department of Trans‐
portation's "Uniform Tire Quality Grading Stand‐
ards", tiremanufacturersare required to grade
their tires on thebasis of thefollowing threeper‐
formancefactors:
1
Tread wear grade
2
Traction grade
3
Temperaturegrade
%
The datashown in theillustration is example
data.
%
The classification is notlegallystipulated for
Canada, but it is generally stated.
Tread wear grade
The tread wear grade is acomparativerating
based on thewear rate of thetirewhen tested
under controlled conditions on aspecified test
trackofthe US Department of Transportation.
Forexample, atiregraded 150would wear one
Wheels and tires
459
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