Mack MP8 12.8 L Diesel 505 hp Engine, 2011 US EPA Label, Requires Diesel Exhaust Fluid, 28297 Engine hrs, Air Conditioner, Cruise Control, Power Windows, Engine Brake, Mack M-Drive Automatic Transmission, 12000 lb Front Axle, 40000 lb Rears, 3.42:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 60 in Mid Roof Sleeper Cab, 295/75R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 228 in Wheelbase, Dual Fuel Tanks