Detroit DD13 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 450 hp Engine, 2010 US EPA Label, CARB Compliant, Requires Diesel Exhaust Fluid, 16369.2 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller FRO-15210C 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, Dana DS404 Drive Axles, 3.70:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 11R22.5, Airliner Air Ride Suspension, 170 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks