Chevrolet 2009 Silverado Owner's Manual page 478

(E) Tire Identification Number (TIN)
and numbers following 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 plies in the sidewall and under the tread.
(G) Single Tire 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 Inflation - Tire Pressure on
page 5-73 and Loading the Vehicle on page 4-32.
5-68
The letters
:
The type of cord and number
Maximum load
:
Tire Size
The following examples show the different parts of
a tire size.
Passenger (P-Metric) Tire
(A) Passenger (P-Metric) Tire
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 The three-digit number indicates
:
the tire section width in millimeters from sidewall
to sidewall.
The United States
: