modifyit
Bronze Member
You probably have already checked out this post on a quick change, but here's the link I found when looking into it about a month ago. There are some pretty detailed instructions with sketches also.
http://www.tractorbynet.com/forums/build-yourself/141029-tractor-side-ss-quick-attach-2.html
http://www.tractorbynet.com/forums/build-yourself/141029-tractor-side-ss-quick-attach-2.html