The tires that came on your vehicle
have a number of markings. Those
you should be aware of are described
below.
Tire Size
Whenever tires are replaced, they
should be replaced with tires of the
same size. The following is an
example of tire size with an
explanation of what each component
means.
P255/50R19 103H
P － Vehicle type (P indicates
passenger vehicle).
255 － Tire width in millimeters.
50 － Aspect ratio (the tire's
section height as a
percentage of its width).
R － Tire construction code (R
indicates radial).
19 － Rim diameter in inches.
103 － Load index (a numerical code
associated with the
maximum load the tire can
carry).
H － Speed symbol (an
alphabetical code indicating
the maximum speed rating).
Tire Identification Number (TIN)
The tire identification number (TIN)
is a group of numbers and letters that
look like the following example. TIN
is located on the sidewall of the tire.
DOT B97R FW6X 2202
DOT － This indicates that the tire
meets all requirements of
the U.S. Department of
Transportation.
B97R － Manufacturer's
identification mark.
TIRE LABELING EXAMPLE
(1) Tire Size
(2) Tire Identification Number (TIN)
(3) Maximum Tire Pressure
(4) Maximum Tire Load
(4)
(3) (2)
(1)
(1)
Tire Labeling
612
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