I Would never fix hinges into the end of Mdf. It just splits and spreads. Best bet is a blum type hinge if it would work with 18mm board fitted thickness of Mdf door back from front of frame to fix hinge plates to.
If
If you dont already have 3 phase power you would need an inverter. They can cost as much or more than the machine. But the sedgwick is a great machine to use they go for ever. Best of luck with it.
It was used to stick down floors mostly oak and other hardwoods. Ive repaired the aile floor in Church recently which had it. I left it alone just used modern adhesive to stick new stuff. It also worked as a vapour barrier. It was heated in a big pot outside and pored on floor.
If you already have Dewalt batteries get a Dewalt bare multi tool. Work out cheaper i have one a few years now. Great bit of kit i also buy cheap blades on ebay they do the job.