Cummins ISX15 6 Cylinder 15 L Diesel 400 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, 25096 Engine hrs, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 13200 lb Front Axle, 40000 lb Rears, 53200 lb GVWR, Air Ride Cab, 51 in High Rise Sleeper Cab, Aluminum Outer Wheels, 295/75R22.5, Air Ride Suspension, 222 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks