Mack MP8 6 Cylinder 12.8 L Ultra Low Sulfur Diesel 445 hp Engine, 2011 US EPA Label, Requires Diesel Exhaust Fluid, 12501 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Mack 13-Speed Manual Transmission, 12000 lb Front Axle, 38000 lb Rears, 50000 lb GVWR, Air Ride Cab, Aluminum Wheels, 11R22.5, Air Ride Suspension, 204 in Wheelbase, Wet Kit, Air Sliding 5th Wheel, Dual Fuel Tanks