I had a (10,000lb) Ox hydraulic fitted to my 4.2 less than a week after I bought it (11½ yrs ago)...
Got it mainly as "insurance" (better to have it and not need it, than to need it and not have it

), since SWMBO and I do a lot of remote area travel, most of the time solo vehicle, and usually towing....
So far, I've managed to avoid any "sticky" situations, and have never had to use the winch "in anger"
It does however, get used quite a bit when I'm cutting the winter firewood, and I often find it preferable to move logs into a more accessable position so I can cut safely (and not have to lug blocks of wood through the bushes)..
For this reason alone, it's worth it's weight in gold, and as already stated, as long as the engine's running, it'll pull non-stop for as long as needed.. speed is not an issue for me, and in any case, a few extra revs (hand throttle) takes care of that
Standard PS pump appears to handle the load without complaint, fluid stays clean, so heat does not appear to be an issue.. I think I've changed the fluid once in the life of the vehicle, and that was when I had the engine out to replace the RMS, so it seemed like a good idea at the time
Would I swap it for an electric? .. In a word, No! (YMMV)
:cheers: