Machine description: 5-Speed Manual Transmission, 9000 lb Front Axle, 19000 lb Rears, V8 Gasoline Engine, 10.00-20, Spring Suspension, 175 in Wheelbase, Pierre Thibault TC7D042 15 ft Body, Hale Pumps 3 in Engine Driven Pu... more info about the 1985 GMC 7000.