Detroit DD15 6 Cylinder Diesel 505 hp Engine, 2017 US EPA Label, Requires Diesel Exhaust Fluid, 16440 Engine hrs, Air Conditioner, Cruise Control, Power Windows, 12-Speed Automatic Transmission, Differential Lock, 13220 lb Front Axle, 40000 lb Rears, 3.08:1 Axle Ratio, 53220.0 lb GVWR, Air Ride Cab, 60 in High Rise Sleeper Cab, Bunk Beds, Bunk Heater, Aluminum Wheels, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 236 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks