Consumer Information
This has been prepared as required of
all manufacturers of passenger cars
under Title 49, Code of U.S. Federal
Regulations, Part 575 pursuant to the
“ National Traffic and Motor Vehicle
Safety Act of 1966” .
Uniform Tire Quality Grading
Relevant tire grade information on tire
flanks.
All passenger car tires must conform to
federal safety requirements in addition
to these grades.
Treadwear
The treadwear grade is a comparative
rating based on the wear rate of the tire
when tested under controlled condi
tions on a specified government test
course. For example, a tire graded 150
would wear one and a half (1
'A)
times
as well on the government course as a
tire graded 100. The relative perform
ance of tires depends upon the actual
conditions of their use, however, and
may depart significantly from the norm
due to variations in driving habits,
sen/ice practices and differences in
road characteristics and climate.
Traction “A” , “ B” , “ C”
The traction grades, from highest to
lowest, are “A” , “ B” and “C ” and they
represent the tire’s ability to stop on
wet pavement as measured under con
trolled conditions on specified govern
ment test surfaces of asphalt and con
crete. A tire marked “C ” may have poor
traction performance.
Warning!
The traction grade assigned to this
tire is based on braking (straighta
head) traction tests and does not
include cornering (turning) traction.
Temperature “A ” , “ B” , “ C”
The temperature grades of “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 condi
tions on a specified indoor laboratory
test wheel. Sustained high temperature
can cause the material of the tire to
degenerate and reduce tire life, and
excessive temperature can lead to
sudden tire failure. The grade “C” cor
responds to a level of performance
which all passenger car tires must
meet under the Federal Motor Vehicle
Safety Standard No. 109. Grades “ B”
and “A” represent higher levels of per
formance on the laboratory test wheel
than the minimum required by law.
Warning!
The temperature grade for this tire is
established for a tire that is properly
inflated and not overloaded. Exces
sive speed, underinflation, or exces
sive loading, either separately or in
combination, can cause heat build
up and possible tire failure.
I
99
F
u
el
s
C
o
o
la
n
ts
L
u
b
ri
c
a
n
ts
etc
.
Содержание 190 E 2.3-16 201 1987
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