It's oil so must be motoring. My rotahoe specs a HP90 oil for the gearbox/diff/drive unit.AFAIK its a brass wormdrive system.Is HP90 the same as EP90!If not who makes/sells a HP90!
mrfxit,
Sep 22, 5:18pm
Basically the same HP= High pressure EP= extreme pressure
These days I short cut a few issues by going with a multi grade such as 75/90 Partly depends on usage duration & load ratings
cowlover,
Sep 22, 5:21pm
Bit more digging (pun intended) and it looks like it wants a API-GL1.Is that as hard to find as I think it might be!
mrfxit,
Sep 22, 5:24pm
Oil company depot shop.or truck stop might be a better bet then any retail outlet
msigg,
Sep 22, 6:36pm
just get it from repco/super cheap they will tell you which one.
bwg11,
Sep 22, 7:33pm
I would have some reservations about using an EP GL5 if there are brass gears. Google "EP oils and Brass" then make your own decision. I would keep looking for a GL1 oil.
supernova2,
Sep 22, 7:36pm
I see some of the old tractor guys run a 20/50 engine oil instead of GL-1.Lots of old gearboxs used an engine oil.Maybe it would be OK.Some motorbikes use GL-1 so maybe a bike dealer!
luxy,
Sep 22, 9:13pm
Be careful. the moderns oils have additives that will react with the brass,,,, use what is specified
beart0y,
Sep 23, 12:43am
Masport have the CORRECT oil for them.
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