Paccar MX-13 12.9 L Diesel 500 hp Engine, 2014 US EPA Label, Requires Diesel Exhaust Fluid, 21026 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Eaton Fuller FO18E313A-MHP Automatic Transmission, 13200 lb Front Axle, 34000 lb Rears, 3.08:1 Axle Ratio, 47200 lb GVWR, Air Ride Cab, 72 in High Rise Sleeper Cab, Bunk Beds, Thermo King TriPac Evolution Auxiliary Power Unit, Aluminum Wheels, 295/75R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, Air Ride Suspension, 238 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks