Mercedes Benz MBE4000 12.8 L 450 hp Engine, 2005 US EPA Label, 22915 Engine hrs, Air Conditioner, Cruise Control, Engine Brake, Eaton Fuller 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 3.73:1 Axle Ratio, 52000 lb GVWR, Air Ride Cab, 11R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 198 in Wheelbase, Air Sliding 5th Wheel