Machine description: Mack MP7 10.8 L Diesel 370 hp Engine, 2008 US EPA Label, Eaton Fuller 8-Speed Manual Transmission, 18000 lb Front Axle, 44000 lb Rears, 62000 lb GVWR, Air Ride Cab, Aluminum Outer Wheels, 425/65R22.5 ... more info about the 2009 Mack GU713.