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Tire Markings

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Tire Size (Example: 315/80R22.5)

· 315: Tire width in millimeters.

· 80: Aspect ratio, the sidewall height as a percentage of width.

· R: Radial construction for strength and flexibility.

· 22.5: Rim diameter in inches.

Key Markings Explained

· Load Index: Indicates the maximum load a tire can carry.

· Speed Ratings: Common ratings include:

L: 120 km/h

M: 130 km/h

N: 140 km/h

P: 150 km/h

· Type (TL): Denotes tubeless tires that don’t require an inner tube.

DOT Code

· DOT Compliance: Confirms adherence to U.S. safety standards.

· Plant Code: Identifies the manufacturing facility.

· Date Code: Last four digits indicate the week and year of manufacture (e.g., "3423" = 34th week of 2023).

Choosing the Right Tire

Buyers should consider:

· Application: Highway, regional, or mixed roads.

· Load Requirements: Based on vehicle and axle configuration.

· Weather Conditions: Ensure suitability for wet, dry, or snowy conditions.

Proper tire selection ensures safety, performance, and cost-efficiency.