MMM gearbox oil

[Oaktodd]

I'm rebuilding my RC60-G20 deck for my G1900 and don't have a manual. I searched for what oil to use on here and found several different answers. Is 80W90 what should be in there? Thanks.

 

[lsmurphy]

That'll work.

 

[ipz2222]

I use synthetic 80-90.. That's a hard working gearbox.