Whinch oil should I use

[mudlark]

Thinking of replacing the oil In the gear box of the pto winch. Not to sure if been over thinking it but wOuld I Use a hyoid oil in case there is brass in there or just A synthetic gear oil or just thuban 85-140 or 80-90 cause it's nice and thick.

[jeremy]

It's been covered a few times, so have a search.

http://www.offroadexpress.co.nz/Forums/viewtopic.php?p=39279#p39279