Tire labeling
Overview
:
Uniform Tire Quality Grading Standard
(
Y page 328)
;
DOT, Tire Identification Number
(
Y page 327)
=
Maximum tire load (Y page 326)
?
Maximum tire pressure (Y page 314)
A
Manufacturer
B
Tire material (Y page 327)
C
Tire size designation, load-bearing capa-
city and speed index (
Y page 324)
D
Load index (Y page 326)
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
;
Nominal aspect ratio in %
=
Tire code
?
Rim diameter
A
Load bearing index
B
Speed rating
General: depending on the manufacturer's
standards, the size imprinted in the tire wall
may not contain any letters or may contain
one letter that precedes 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: these are
passenger vehicle tires according to U.S.
manufacturing standards.
If "LT" precedes the size description: these
are light truck tires according to U.S. manu-
facturing standards.
If "T" precedes the size description: compact
emergency wheels with high tire pressure
that are only designed for temporary use in an
emergency.
Tire width: tire width : shows the nominal
tire width in millimeters.
Height-width ratio: aspect ratio ; is the
size ratio between the tire height and tire
width and is shown in percent. The aspect
324
All about wheels and tires
Wheels and tires
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