I think a machine shop could make but would rather buy one off the shelf. Shelf is apparently bare though. Thanks for your response. I haven't tried ebay, I'll do that.This could be a tough one. Looks like you may have to camp on E-Bay. Or, is it something a machine shop can make?
I had my part camped out on that website waiting for a response. I think it was 60 days or something. It went dead with no part offered.I just Googled the part # and found this. Looks like you need to have an account to view details.
W18680 Cap - w18680 - John Deere spare part | 777parts