Cat C15 6 Cylinder 15 L Diesel Engine, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Aluminum Wheels, 215/85R16 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 192 in Wheelbase, PTO, 15 ft Long x 5 ft High Steel Body, Round Bottom, Electric Roll Tarp, High-Lift Tailgate