Dont have a clue on the hp/torqu capabilities...
I do wonder about the gears though...most gears, like say axle gears...are surface hardened...if rust or wear or whatever, gets through the thin surface hardening, then inner, and much softer, part of te gear is exposed and will wear much faster.
Dont know how you could check in your situaton but it could mean you are looking at a really short life for the gearbox down the road...
Lord send your Holy Ghost into our hearts and make the desire of our hearts Your Will.
Pro-choice, that's a LIE, babies don't choose to die!!