Posted 2/5/2019 19:08 (#7299369 - in reply to #7299292) Subject: RE: Newer head on 9770 JD
Put a '15 635fd on a '08 9770 this last fall. There's a computer board/software update required. Feederhouse face plate is supposed to be upgraded as well, although think many are running without (ours already had update due to failure previous year). Worked great.
Newer head on 9770 JD
