Machine description: Detroit 6 Cylinder Diesel Engine, Manual Transmission, 18000 lb Front Axle, 34000 lb Rears, 425/65R22.5 Front Tires, 11R22.5 Rear Tires, Dual Steering Boxes, 233 in Wheelbase Closing Time: 2024-12-17 ... more info about the 1984 GMC GENERAL.