Machine description: Cummins 6 Cylinder 8.3 L Diesel Engine, 5-Speed Manual Transmission, 12000 lb Front Axle, 21000 lb Rears, 33000 lb GVWR, 11R22.5 Front Tires, 11R22.5 Rear Tires, Spring Suspension, 156 in Wheelbase, P... more info about the 1994 Ford F-800.