Example of Inscription
Inscription on radial tire
A – Tire size
Example: P 265/40ZR18 (101Y)
- P - The tire is designed for Passenger vehicle.
This information is not included on all tires.
- 265 - Indication of tire width in mm
- 40 - Indication of tire height to tire width ratio in percent
- ZR - Belt type code letter for radial
- 18 - Indication of rim diameter in inches
- 101 - Load capacity coefficient
- Y - Speed code letter
- XL (Extra Load) - Tire with increased load rating
B – TIN (Tire Identification Number)
Example: DOT xx xx xxxx xxxx
The DOT symbol indicates that the tires comply with the requirements of the US Department of Transportation and provides information about:
- first two-digit code means manufacture's identification mark.
- second two-digit code means tire size.
- third four-digit code means tire type code.
- fourth four-digit code means date of manufacture.
If, for example, the last four numbers read
0204, the tire was produced in the 2nd week
C – Tire ply composition and material
The number of layers in the tread and sidewalls and their material composition.
D – Maximum permissible inflation pressure
The maximum permissible cold inflation pressure to which a tire can be inflated.
- Do not exceed the permissible inflation pressure.
E – Maximum Load rating
The maximum load in kilograms and pounds can be carried by the tire. If you replace tires always use a tire that has the same maximum load rating as the factory installed tire.
F – Radial
The identification indicates if the tire has radial structure.
G – Term of tubeless or tube tire
Identification for tubeless tires.