Machine description: GM 6.0 L Gasoline Engine, 5-Speed Manual Transmission, 7000 lb Front Axle, 17500 lb Rears, 24500 lb GVWR, 9.00-20, Spring Suspension, 169 in Wheelbase, PTO, 15 ft 5 in Long x 0 ft High Steel Body, Fla... more info about the 1984 GMC C7000.