Machine description: Cat 3208T V8 10.4 L Diesel Engine, Eaton Fuller FS-6106A 12-Speed Manual Transmission, 11000 lb Front Axle, 21200 lb Rears, 32200 lb GVWR, 10.00 R20, Spring Suspension, 171 in Wheelbase, 15 ft 8 in x ... more info about the 1987 GMC C7000.