uuChecking and Maintaining TiresuTire Labeling
282
Maintenance
The tire identification number (TIN) is a group of numbers and letters that look like  
the example in the side column. TIN is located on the sidewall of the tire. 
Cold Tire Pressure  – The tire air pressure when the vehicle has been parked for at 
least three hours or driven less than 1 mile (1.6 km). 
Load Rating  – Means the maximum load that a tire is rated to carry for a given 
inflation pressure. 
Maximum Inflation Pressure  – The maximum tire air pressure that the tire can 
hold. 
Maximum Load Rating  – Means the load rating for a tire at the maximum 
permissible inflation pressure for that tire.
Recommended Inflation Pressure  – The cold tire inflation pressure recommended 
by the manufacturer. 
Treadwear Indicators (TWI)  – Means the projections within the principal grooves 
designed to give a vi sual indication of the degrees of wear of the tread.
■Tire Identification Number (TIN)
■Glossary of Tire Terminology
1Tire Identification Number (TIN)
DOT B97R FW6X 2209 
DOT: This indicates that the tire meets all  
requirements of the U.S. Department of Transportation. 
B97R: Manufacturer's identification mark. 
FW6X: Tire type code.
22 09: Date of manufacture.
Year 
Week