Conducting A Proper Tractor-trailer Wheel And Tire Inspection May 2026

Minimum depth of 4/32 inch . These tires must be brand new and cannot be retreads.

Minimum depth of 2/32 inch . These may be retreads as long as they meet depth and integrity requirements. 2. Measure Cold Tire Pressure Minimum depth of 4/32 inch

Federal law mandates specific tread depths for different axles. Use a tread depth gauge for accurate measurements in several major grooves: Minimum depth of 4/32 inch