Cummins ISX15 6 Cylinder 15 L Ultra Low Sulfur Diesel 485 hp Engine, 2010 US EPA Label, Requires Diesel Exhaust Fluid, 5888.6 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 13-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 78 in Mid Roof Sleeper Cab, Aluminum Wheels, 11R24.5, Low Air Leaf 4-Bag Air Ride Suspension, 272 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks