I was wondering if the trimble tru count air clutches from a Kinze 2600 would fit on my JD chain driven Maxi-Merge plus units.  I believe the hex shaft is the same size.  Do they turn the same direction?  I have also seen a White model clutch that says it has an insert to fit the smaller hex shaft on a white.  I am looking for a couple replacements for my planter and was hoping not to have to buy new.
Thanks