Cummins ISM 370 6 Cylinder 10.8 L Ultra Low Sulfur Diesel 370 hp Engine, 13488 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Eaton Fuller Automated Transmission, 12000 lb Front Axle, 20000 lb Rears, 32000 lb GVWR, Air Ride Cab, Aluminum Wheels, 295/75R22.5, Air Ride Suspension, 156 in Wheelbase, Dual Fuel Tanks