Volvo D13 6 Cylinder 12.8 L Diesel 500 hp Engine, 2010 US EPA Label, Webasto Engine Coolant Heater, 20798 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Mack mDRIVE Automatic Transmission, Differential Lock, 12000 lb Front Axle, 40000 lb Rears, 23587 kg GVWR, Air Ride Cab, High Rise Sleeper Cab, Bunk Beds, Bunk Heater, Aluminum Wheels, 11R22.5 Front Tires, 11R22.5 Rear Tires, Air Ride Suspension, 223 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks