Paccar MX-13 12 L Diesel 455 hp Engine, 2015 US EPA Label, Requires Diesel Exhaust Fluid, 25087 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Automatic Transmission, Differential Lock, 13200 lb Front Axle, 38000 lb Rears, 51200 lb GVWR, Air Ride Cab, 63 in Mid Roof Sleeper Cab, Bunk Heater, Sleeper Air Conditioner, Auxiliary Power Unit, Aluminum Wheels, 295/75R22.5 Front Tires, 445/50R22.5 Super Singles Rear Tires, Paccar Air Ride Suspension, 233 in Wheelbase, Air Sliding 5th Wheel