Posted 7/29/2019 16:23 (#7641866 - in reply to #7641326) Subject: RE: Chopper slow down kit for a 6600
If I remember correctly our JD dealer told me that was a John Day kit, not an official Deere item. It would be simple to copy and make your own if there is a 6600 or 6620 in your area that has the slow down kit.