1st, (I am lifelong fan of John Deere). Every John Deere facility has a technical assistant to assist with your every need. Explain your purpose for tractor and they will advise on size, type and attachments needed. And there is nothing like having root rake grapple. Takes a 3rd function but...
I have been going nuts over a year watching my right uplink assembly slipping down. JD 5075e. Recently purchased new spindle shaft & jokes to replace. Can't do that because tractor stays down with sensor problems.
After reading the forums I expect this change out will not resolve problem...