Cant help you re paperwork but i can with the concept.
I run 19t merc version although ive only done 10k with it it seems very solid.
and completely changes the way you work , for the better

makes everything easy , don't like the over used phrase "game changer" but this def is.
Some lads on here are much more savvy than me but not much to check hook wise afaic just the usual wear etc and make sure it tips to a decent angle as the overhang can limit that.
Back door could be a pita to load machines on if it's not barn door type for obvious reasons, but handier for tipping.
One owner since new

get it bought