3 point brackets

I got this JD 400 and it has the rock shaft and cylinder, but it doesn't have the lift links, chains, draft arms, or center link. See below: Any ideas on how I get the missing parts? John Deere parts has some of the parts like the draft arms for a small fortune, but I was wondering if there are...

I've got an aftermarket 3pt hitch setup and a non 3pt hitch tilt n dump material collection system. I believe the holes in my bottom brackets are in the wrong spot and not to JD spec on the OEM AM39116 bracket. When I'm ready to remove my 3pt lift arms and connect my MCS I've got to lower my...