Cummins ISM 370 10.8 L Diesel 370 hp Engine, 2003 US EPA Label, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 14060 lb Front Axle, 38000 lb Rears, 52070 lb GVWR, Air Ride Cab, Aluminum Rear Wheels, 315/80R22.5 Front Tires, 11R24.5 Rear Tires, Air Lift Tag Axle, Spring Suspension, 235 in Wheelbase, PTO, Hydraulic Oil Cooler