Mack MP8 6 Cylinder 12.7 L Diesel 445 hp Engine, 2011 US EPA Label, Requires Diesel Exhaust Fluid, 7135 Engine hrs, Engine Brake, Eaton Fuller FRO-15210C 10-Speed Manual Transmission, 12000 lb Front Axle, 40000 lb Rears, 52000 lb GVWR, Aluminum Wheels, 11R22.5 Front Tires, 295/75R22.5 Rear Tires, Air Ride Suspension, 180 in Wheelbase