Detroit DD16 6 Cylinder 15.6 L Diesel 600 hp Engine, 2018 US EPA Label, Requires Diesel Exhaust Fluid, Positive Air Shutoff, 1248 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller RTLO-18918B 18-Speed Manual Transmission, Double Differential Locks, 13300 lb Front Axle, 46000 lb Rears, Meritor RT-46-160P Drive Axles, 3.91:1 Axle Ratio, 59220 lb GVWR, Air Ride Cab, 72 in Mid Roof Sleeper Cab, Bunk Heater, Aluminum Wheels, 11R24.5 Front Tires, 11R24.5 Rear Tires, Airliner Air Ride Suspension, 232 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks