Will a 1994 Ford F-350 cab fit on 1984 f350 frame?

Yes, a 1994 Ford F-350 cab can fit on a 1984 F-350 frame, but there are some considerations. The mounting points for the cab may differ, requiring modifications to ensure a proper fit. Additionally, the wiring and other components may need adjustments to be compatible with each other. Overall, while it is feasible, it will involve some custom work.