Cummins ISX 6 Cylinder 15 L Ultra Low Sulfur Diesel 485 hp Engine, 2009 US EPA Label, 8891 Engine hrs, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 58 in Mid Roof Sleeper Cab, Aluminum Wheels, 295/75R22.5, Low Air Leaf Air Ride Suspension, 228 in Wheelbase, Dual PTO, Air Sliding 5th Wheel, Dual Fuel Tanks