Tire Designations - Hummer 2010 H3 Owner's Manual

10-46 Vehicle Care
(B) TPC Spec (Tire
Performance Criteria
Specification) Original
:
equipment tires designed to
GM's specific tire performance
criteria have a TPC specification
code molded onto the sidewall.
GM's TPC specifications meet
or exceed all federal safety
guidelines.
(C) Dual Tire Maximum Load
Maximum load that can be
carried and the maximum
pressure needed to support
that load when used in a
dual configuration. For
information on recommended
tire pressure see Tire Pressure
on page 10 51 and Vehicle Load
Limits on page 9 27.
(D) DOT (Department of
Transportation) The
:
Department of Transportation
(DOT) code indicates that the
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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 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 51 and Vehicle Load
Limits on page 9 27.

Tire Designations

Tire Size
The following examples show
the different parts of a 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.
: