Sep 8, 2009 / J D 2640 having some trouble #1 J jcuomo New member Joined Jun 24, 2009 Messages 2 i have a jd 2640 it is a 1983 and i cant get the differantial lock to work so it is one wheel all the time. i tryed the lever and it wont move is there some place to greas it or do ihave to take it in for services.
i have a jd 2640 it is a 1983 and i cant get the differantial lock to work so it is one wheel all the time. i tryed the lever and it wont move is there some place to greas it or do ihave to take it in for services.