Navistar N13 6 Cylinder Ultra Low Sulfur Diesel Engine, Requires Diesel Exhaust Fluid, 9976 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 12350 lb Front Axle, 40000 lb Rears, 52350 lb GVWR, Air Ride Cab, High Rise Sleeper Cab, Bunk Heater, Aluminum Outer Wheels, 295/75R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 230 in Wheelbase, Air Sliding 5th Wheel, Headache Rack, Dual Fuel Tanks