R13-3-1008. Medium-duty Tow Truck-tractor and Semi-

trailer Combination A medium-duty tow truck-tractor and semi-trailer combination has a minimum of: 1. A G.V.W.R. of 23,500 pounds for a truck-tractor; 2. A G.V.W.R. of 17,000 pounds for a semi-trailer; 3. A power-operated winch with a line pull capacity of 10,000 pounds and a 7/16-inch diameter wire rope with a breaking strength of 16,540 pounds; 4. Chains or straps and hooks that meet the requirements of R13-3-1104; 5. Axles, wheels, and tires that meet the requirements of R13-3-1102; and 6. Brakes that meet the requirements of R13-3-1103 and A.R.S. § 28-952(A)(3).