Cat C13 6 Cylinder Diesel Engine, Engine Brake, Eaton Fuller 9LL Manual Transmission, 90000 lb GVWR, Air Ride Cab, 445/65R22.5 Front Tires, 11R22.5 Rear Tires, 3 Air Lift Pusher Axles, Trailing Tag Axle, Rubber over Walking Beam Suspension, 249 in Wheelbase, PTO, Reliance 15 ft Long x 5 ft 9 in High Steel Body, Electric Roll Tarp