Conducting A Proper Tractor-trailer Wheel And Tire Inspection -

Relying on a "thump test" is unreliable. Always use a calibrated pressure gauge while the tires are cold—meaning the vehicle has been stationary for at least 3 hours. Proper Pre-trip Tire Check

Minimum depth of 2/32 inch . These may be retreads as long as they meet depth and integrity requirements. 2. Measure Cold Tire Pressure Relying on a "thump test" is unreliable

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

A proper tractor-trailer wheel and tire inspection is a critical safety task regulated by federal standards to prevent blowouts, accidents, and CSA score penalties. A comprehensive inspection involves assessing tread depth, air pressure, sidewall integrity, and wheel hardware. 1. Verify Minimum Tread Depth These tires must be brand new and cannot be retreads

Federal law mandates specific tread depths for different axles. Use a tread depth gauge for accurate measurements in several major grooves: