Specifications include, but are not limited to: 1. 65,000 G.V.W.R. minimum factory certified 2. Transmission to be Allison 4500RD 6-speed with heat exchanger, remote-mounted oil filter and transmission oil temperature gauge 3. Engine to be in-line six cylinder turbocharged diesel; 320 HP @2100 rpm; no fuel heater or glow plugs 4. 12 volt electrical system, 130 amp alternator, minimum 2000 CCA batteries. Battery disconnect switch; Cole Hersee battery jumper terminals. 5. Minimum 1000 sq. inch radiator with removable bug screen 6. Frame to be steel, 3/8" full length inner channel liner; R.B.M. 3,000,000 inch pounds per rail minimum. Huckbolted frame components. Front P.T.O. provisions, including access to front of engine crankshaft, extended front swept back bumper with notched top flange, and adapter plate on front of engine crankshaft.