Just a couple of tips on the Amerequip if you DIY installation.
Bolt everything together "kinda loose", i.e. nuts and bolt heads touching surfaces but hardly exerting any face pressure.
There is a little bit of tolerance between the bolt diameters and the holes they go through, you want to avoid having everything to one end of those tolerances, basically your tractor will be the reference for what is "straight".
Get the tractor over it, do the self assisted hook up process to get it to "self mount"
(Gee, I hope THAT doesn't get censored).
Get the latches and pins at the front of the sub frame in.
THEN tighten up all the bolts that hold the seat tower and under tractor frame together, about 10 - maybe 12 of them.
The hook-up in 10 minutes ?
Yes, I can do that, sometimes in less.
Sometimes a LOT MORE.
It depends how square and straight I back over it and how low it has dropped.
Over time the hydraulics leak down, so the stabilizer legs let it drop.
Unfortunately this isn't always an even drop, so I find that by the time it is lifted and level the tractor is as much as an inch too far to one side for the hooks to engage.
OK, so unhook the hydraulics, go forwards AT LEAST 15 ft to come back "on axis" and try again.
That usually does it.
I've tried camper stabilizer jacks to hold it up from the leak down, but then the self assisted mounting trick gets difficult (at best).
Maybe I just don't take it off enough to have found "the trick" - and maybe that is a GOOD thing ?