Crofterman

Hi new here, I do a bit of fencing as it fits in nicely with my other work wet/windy or quiet days. Up to now I've been doing it with a mell and tractor with p230 for strainers, but recently shoulder has been bothering me, so looking at tracked machine. Would love a purpose built unit but can't afford that expense. Was looking at a tracked dumper and mounting a unit on it. It's an old gear/clutch driven skid base, question is, is it possible to put brake levers/clutch/fwd reverse lever on rear so I can easily walk along and post line? I know a hydrostatic unit would be easier to convert but cant justify the extra cost yet, thanks in advance