Machine description: Cat 3126 6 Cylinder 7.2 L Diesel 190 hp Engine, 1999 US EPA Label, 7-Speed Manual Transmission, 10000 lb Front Axle, 19000 lb Rears, 29000 lb GVWR, 11R22.5, Spring Suspension, 194 in Wheelbase, Steel ... more info about the 2000 GMC C7500.