The cab is interchangeable for all sizes of trucks however there are minor differences depending on years like the side vent and parking brake location, but functionally if you don’t care about being perfect to model year yes any cab can be made to work.
1/2 and 3/4 ton bumpers are just over 1/8 thick the 1 ton bumper is almost 1/4 thick, the holes are all at the same places so they all fit interchange.
-s
