which all passenger car tires must meet under
the Federal Motor Vehicle Safety Standard
No. 109. Grades B and A represent higher
levels of performance on the laboratory test
wheel than the minimum required by law.
Tire labeling
Overview of tire labeling
:
Uniform tire Quality Grading Standard
(Y page 248)
;
DOT tire Identification Number
(Y page 247)
=
Maximum tire load (Y page 246)
?
Maximum tire pressures (Y page 235)
A
Manufacturer
B
Tire material (Y page 247)
C
Tire size designation, load-bearing capa-
city and speed rating (Y page 244)
D
Load identification (Y page 246)
E
Tire name
The markings described above are on the tire
in addition to the tire name (sales designa-
tion) and the manufacturer's name.
i
Tire data is vehicle-specific and may devi-
ate from the data in the example.
Tire size designation, load-bearing
capacity and speed rating
G
WARNING
Exceeding the stated tire load-bearing capa-
city and the approved maximum speed could
lead to tire damage or the tire bursting. There
is a risk of accident.
Therefore, only use tire types and sizes
approved for your vehicle model. Observe the
tire load rating and speed rating required for
your vehicle.
:
Tire width
;
Height-width ratio in percentage
=
Tire code
?
Rim diameter
A
Load bearing index
B
Speed rating
General: depending on the manufacturer's
standards, a letter is imprinted into the tire
wall before the size description.
If there is no letter preceding the size descrip-
tion (as shown above): these are passenger
vehicle tires according to European manufac-
turing standards.
If "P" precedes the size description:
passenger vehicle tires according to U.S.
manufacturing standards.
If "P" precedes the size description: light
truck tires according to U.S. manufacturing
standards.
If "T" precedes the size description: these are
compact emergency spare wheels at high tire
244
Tire labeling
Wheels and tires
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