Tire labeling
(example)
Meaning
DOT
The tire complies with the require-
ments of the United States Depart-
ment of Transportation, responsible
for issuing safety standards.
BT Identification letter of the manufactur-
ing site.
RA Manufacturer information regarding
tire dimensions.
TY5 Tire characteristics provided by the
manufacturer.
1709 Manufacturing date: 17th week in
2009.
TWI Marks the position of the treadwear indicator
Made in Germany Country of manufacture.
MAX LOAD 615 KG
(1356 LBS)
United States maximum load rating per
wheel.
MAX INFLATION
350 KPA (51 PSI)
United States maximum permissible inflation
pressure.
ROTATION Rotation direction (unidirectional tires)
SIDEWALL 1 PLY
RAYON
Tire ply composition and materials used:
1 layer of rayon.
TREAD 4 PLIES
1 RAYON + 2 STEEL
+ 1 NYLON
Tire tread composition and materials used:
In this example there are 4 layers under the
tread: 1 layer of rayon, 2 layers of steel belt
and 1 layer of nylon.