R13-3-1102. Axle, Wheel, and Tire Requirements

A. A tow truck agent shall ensure that a tow truck has: 1. Axles, wheels, and tires with a manufacturer’s capacity rating equal to or greater than the tow truck’s G.V.W.R.; and 2. At all points on major tread grooves, a tread-groove pattern depth of at least 4/32 of an inch on all tires on the steering axle, and 2/32 of an inch on all other tires. B. A tow truck agent shall ensure that a tow truck does not have: 1. Fabric or cord exposed through the tire tread or sidewall; 2. A tire contacting another tire, suspension, or any other part of the vehicle; or 3. A tire visibly under-inflated or flat.