I was talking to my neighbor today about the wobble box on my haybine, he told me I should use Napa 90w mineral oil, he is a mechanic, my new Holland manual says to use APIGL5 80-90, does it really matter? I already have 80-90 on hand, thats what has always been in it, thanks
- Thread starter JayinNY
- Start date
Janicholson
Well-known Member
Mineral oil may or may not have additives for extreme Pressure, corrosion inhibitors or other important modern additives. The synthetic 80-90 (as SV indicates) would be my choice. Jim
BarnyardEngineering
Well-known Member
- Location
- Rochester, NY
You have the recommended oil, use it.
Reality is it probably doesn't make enough difference to matter, the difference being a trip to buy the other type of oil, and having to store an extra jug.
Reality is it probably doesn't make enough difference to matter, the difference being a trip to buy the other type of oil, and having to store an extra jug.
Mike(NEOhio)
Well-known Member
- Location
- Newbury, Ohio
Only place I've seen 90 mineral oil called for is in my old IH Scouts. Can't remember if it was for the trans or TC but certainly not the axles. I had to buy a five gallon bucket and used about five quarts. Still have the rest.
Steve@Advance
Well-known Member
Only if the gear box has yellow metal components should you use straight mineral oil.
The GL5 has EP additives, needed for the gear load protection.
The GL5 has EP additives, needed for the gear load protection.
560Dennis
Well-known Member
- Location
- Madison,Ohio
Yep go with the mfg recommend
buickanddeere
Well-known Member
GL-1 does not provide pressure point protection that GL-4 and GL-5 does .
Straight weight 50 motor oil that is rated for GL-4 will work just fine . Yellow metal and clutch fibre friendly too.
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