Cummins ISX15 15.0 L Diesel 475 hp Engine, 2016 US EPA Label, Requires Diesel Exhaust Fluid, 20517 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-16913A 13-Speed Manual Transmission, 13200 lb Front Axle, 40000 lb Rears, 3.36:1 Axle Ratio, 53200 lb GVWR, Air Ride Cab, 72 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 275/80R22.5 Front Tires, 275/80R22.5 Rear Tires, Air Ride Suspension, 282 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks