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• Treadwear The treadwear grade
is a comparative rating based on
the wear rate of the tire when
tested under controlled
conditions on a specified
government test course. For
example, a tire graded 150 would
wear one and one-half times as
well on the government course
as a tire graded 100.
• Traction: The traction grades,
from highest to lowest are AA, A,
B, and C. The grades represent
the tire's ability to stop on wet
pavement as measured under
controlled conditions on
specified government test
surfaces of asphalt and concrete.
A tire marked C may have poor
traction performance.
• Temperature: The temperature
grades are A (the highest), B and
C, representing the tire's
resistance to the generation of
heat and its ability to dissipate
heat when tested under
controlled conditions on a
specified indoor laboratory test
wheel.
M. Maximum Inflation Pressure:
Indicates the tire manufacturers'
maximum permissible pressure or
the pressure at which the maximum
load can be carried by the tire. This
pressure is normally higher than the
vehicle manufacturer's
recommended cold inflation
pressure which can be found on the
Safety Compliance Certification
Label (affixed to either the door
hinge pillar, door-latch post, or the
door edge that meets the door-latch
post, next to the driver's seating
position), or Tire Label which is
located on the B-Pillar or the edge
of the driver’s door. The cold
inflation pressure should never be
set lower than the recommended
pressure on the vehicle label.
The tire suppliers may have
additional markings, notes or
warnings such as standard load or
radial tubeless.
Additional Information
Contained on the Tire Sidewall
for LT Type Tires
Note: Tire Quality Grades do not
apply to this type of tire.
A
B
C
B
D
E142544
276
MKS (CLE) Canada/United States of America, enUSA, First Printing
Wheels and Tires
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