The question I have is, why would the mfgr of the mower design it with non-standard 3pt spacing and location with respect to the drive-line?
With the pics of the before & after conversion, it makes sense now.
In order for the mower to 'float', either the top link or the bottom links must be flexable. If the top link is flexable (a chain in it instead of flat iron) then there is a remote possiblitiy the mower can hit something and flip up vertical & cause a lot of liability issues.
So their solution was to put the lower pins on flat iron that can pivot quite a bit. Works well I'm sure and actually makes hooking up to a regular 3pt very easy.
But all that flex in the bottom pins means it doesn't work with a quick hitch. Those bottom moving pins are not a standard 3pt thing, I hadn't seen that design before.
The $100+ solution is to build a new frame for the mower that keeps the flex link in there, with an outer frame that hooks onto the quick hitch. That puts the $$$$ cost onto the user, rather than re-engineering the thing to work with both 3pt & quick hitch.
This mower could be 'fixed' by putting the lower pins into the solid hole - throw away those little short arms. The top link would need to have the strap irons going to the back cut shorter, and place a few links of chain in the place of the shortened iron. This would allow the flex at the top instead of the bottom, but would not allow the mower to flip up very high if it caught something, and probably should be the real fix from the company?
Actually hooking up such a flex top link with a quick hitch can be difficult tho, as you need the top to be leaning forward, not backwards as it will want to do.
A hyd top link really helps a quick hitch be much easier to use, think someone mentioned those! The cat's meow.
--->Paul