my f935 will only move if you push the differanal lock down i changed the filter added fluid and it still does the samething does anyone have any ideas on what the problem is?
i recently got a 1988 jd f935 it runs good but it only moves when you push the differantal lock down. i have changed the filter and added some more fluid but still does nothing. also the two buttons that you push down to move the mower will not stay down when you push them could they need to be...