Detroit DD15 14.8 L Ultra Low Sulfur Diesel 455 hp Engine, 2013 US EPA Label, Requires Diesel Exhaust Fluid, CARB Compliant, 9794.8 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, 3.31:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 72 in High Rise Sleeper Cab, Bunk Beds, Aluminum Outer Wheels, 275/80R22.5 Front Tires, 275/80R22.5 Rear Tires, Airliner Suspension, 224 in Wheelbase, Air Sliding 5th Wheel