Tire Designations - GMC Yukon 2012 Owner's Manual

10-52 Vehicle Care
(D) DOT (Department of
Transportation) The
:
Department of Transportation
(DOT) code indicates that the
tire is in compliance with the
U.S. Department of
Transportation Motor Vehicle
Safety Standards.
(E) Tire Identification
Number (TIN) The letters and
:
numbers following the DOT code
are the Tire Identification
Number (TIN). The TIN shows
the manufacturer and plant
code, tire size, and date the tire
was manufactured. The TIN is
molded onto both sides of the
tire, although only one side may
have the date of manufacture.
(F) Tire Ply Material
:
of cord and number of plies in
the sidewall and under the tread.
(G) Single Tire Maximum
Load Maximum load that can
:
be carried and the maximum
pressure needed to support that
load when used as a single. For
information on recommended
tire pressure see Tire Pressure
on page 10 57 and Vehicle Load
Limits on page 9 16.

Tire Designations

Tire Size
The examples show a typical
passenger vehicle and light
truck tire size.
Passenger (P Metric) Tire
The type
(A) Passenger (P Metric) Tire
The United States version of a
metric tire sizing system. The
letter P as the first character in
the tire size means a passenger
vehicle tire engineered to
standards set by the U.S. Tire
and Rim Association.
(B) Tire Width
:
number indicates the tire section
width in millimeters from
sidewall to sidewall.
(C) Aspect Ratio
number that indicates the tire
height to width measurements.
For example, if the tire size
aspect ratio is 75, as shown in
item C of the tire illustration, it
would mean that the tire's
sidewall is 75 percent as high
as it is wide.
(D) Construction Code
letter code is used to indicate
the type of ply construction in
the tire. The letter R means
:
radial ply construction; the
letter D means diagonal or bias
ply construction; and the letter B
means belted bias ply
construction.
The three digit
A two digit
:
A
: