Cummins ISX15 15 L Ultra Low Sulfur Diesel 400 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, 11707 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Air Ride Cab, 56 in High Rise Sleeper Cab, Bunk Beds, Bunk Heater, Aluminum Outer Wheels, Air Ride Suspension, 575 in Wheelbase, Air Sliding 5th Wheel