Tire labeling
Overview
:
UniformTireQualityGradingStandard
(Y page 287)
;
DOT, Tire Identification Number
(Y page 286)
=
Maximum tire load (Y page 286)
?
Maximum tire pressure (Y page 274)
A
Manufacturer
B
Tire material (Y page 287)
C
Tire size designation, load-bearing capacity
and speedrating (Y page 284)
D
Loadindex (Y page 286)
E
Tire name
The markings describedabove areonthe tire
in additiontothe tire name(sales designation)
and the manufacturer's name.
i
Tire data is vehicle-specific and maydevi-
ate fromthe 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 burst-
ing.There is ariskofaccident.
Therefore,onlyuse tire types and sizes
approved for your vehiclemodel.Observe
the tire load rating and speedrating
required for your vehicle.
:
Tire width
;
Nominalaspectratio in %
=
Tire code
?
Rimdiameter
A
Loadbearing index
B
Speed rating
General: depending on the manufacturer's
standards,the size imprinted in the tire wall
maynot contain any letters or maycontain
one letter thatprecedes the size description.
If there is no letter preceding the size descrip-
tion(as shown above): these arepassenger
vehicletiresaccording to Europeanmanufac-
turing standards.
If "P"precedes the size description: these are
passengervehicletiresaccording to U.S. man-
ufacturingstandards.
If "LT" precedes the size description: these are
light truck tiresaccording to U.S. manufactur-
ing standards.
If "T"precedes the size description: compact
emergency wheels with high tire pressure that
areonlydesignedfor temporary useinan
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 ratio is
calculatedbydividing the tire width by the tire
height.
Tire code: tire code = specifiesthe tire type.
"R"represents radial tires; "D" represents
diagonaltires; "B" represents diagonalradial
tires.
284
Allabout wheels andtires
Wheelsand tires