Kevin Toadman
Member
- Joined
- Apr 17, 2017
- Threads
- 6
- Messages
- 47
Hello all, I have a mower with two EXT hydro units. I already changed the oil and went with the recommended 20-50 motor oil with success. I know if it ain't broke don't fix it but has anybody out there ever used a 75-90 gear oil in a hydro gear unit? Just curious, thanks.