Mack MP8 12.8 L Diesel 445 hp Engine, 2012 US EPA Label, Requires Diesel Exhaust Fluid, Air Conditioner, Cruise Control, Power Windows, Engine Brake, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Air Ride Cab, 70 in High Rise Sleeper Cab, Bunk Beds, Aluminum Wheels, 295/75R22.5, Air Ride Suspension, 223 in Wheelbase, Air Sliding 5th Wheel, Dual Fuel Tanks