Detroit DD15 6 Cylinder 14.8 L Diesel 455 hp Engine, Requires Diesel Exhaust Fluid, 29898 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller FRO-15210C 10-Speed Manual Transmission, 12350 lb Front Axle, 40000 lb Rears, 3.42:1 Axle Ratio, 52350 lb GVWR, Air Ride Cab, 72 in High Rise Sleeper Cab, Bunk Beds, Thermo King TriPac Evolution Auxiliary Power Unit, Aluminum Outer Wheels, 295/75R22.5, Airliner Air Ride Suspension, 238 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks