Detroit DD15 6 Cylinder 14.8 L Diesel 500 hp Engine, 2019 US EPA Label, Requires Diesel Exhaust Fluid, 14442.33 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Detroit 12-Speed Automated Transmission, 12500 lb Front Axle, 40000 lb Rears, 52500 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Airliner Air Ride Suspension, 240 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks