Hi-lifts can also be used as winches. I've done this and they pull well but need resetting every metre. You need a rat-tail file to widen the head and a 3.2 tonne shackle. The larger ones do not fit.
I'm considering a hi-lift to replace the standard LR jack, which is too short and takes too long.
I would not mount anything on the rear wheel carrier, in fact I'd recommend all Defenders be fitted with an aftermarket carrier.
Hi-lifts can also be used to break beads on tyres. Done that too, works very well.
They are also useful for levering trees and so forth off tracks, although extreme care must be taken.
The hi-lift is very versatile.
