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#4696796 - 03/16/18 02:20 PM Hydrostatic gear oil advice.
Keystone Offline

Registered: 06/09/14
Posts: 11
Loc: Florida
Would Amsoil 20w-50 synthetic hydrostatic transmission fluid be a good choice for Hydro-Gear ZT-2200 (EZT) ?
I will try to us an evacuator pump to remove as much fluid as possible without taking the transmissions off the machine.
Manufacturer says 20w-50 SL.
I guess my question is, are there better choices?

#4696813 - 03/16/18 02:51 PM Re: Hydrostatic gear oil advice. [Re: Keystone]
dave123 Offline

Registered: 01/13/09
Posts: 2263
Loc: wi
Yes it's excellent and I'm using in a Scag with ZT2800 M1 15w50 is popular

#4697305 - 03/17/18 07:16 AM Re: Hydrostatic gear oil advice. [Re: Keystone]
cronk Offline

Registered: 01/06/09
Posts: 1264
Loc: Watertown, New York
The Amsoil fluid is designed for commercial zero turn use, very good stuff!
If your unit calls for a 20w50 fluid, should be an ideal fluid for you. Shear resistant and handles heat very well.
1998 GMC C1500
2003 Chevy Cavalier
2011 Nissan Quest
1986 Pontiac Trans Am
1940 Ford 9N Tractor
Amsoil lubes and filters!

#4697338 - 03/17/18 08:07 AM Re: Hydrostatic gear oil advice. [Re: Keystone]
NH73 Offline

Registered: 10/31/14
Posts: 663
Loc: Pa, USA
That is a vary good choice there. Like dave123 said, I also have the ZT2800 transmissions that I changed to M1 15w50. I once was at a OPE dealer and they had M1 15w50 stocked in the showroom. I asked if that is what they are promoting now as engine oil. They told me its for customers looking for oil to change in the hydrostatic transmission.

#4697355 - 03/17/18 08:24 AM Re: Hydrostatic gear oil advice. [Re: Keystone]
JTK Offline

Registered: 08/14/03
Posts: 10416
Loc: Buffalo, NY
That would probably be the best choice possible for these drives.

I owned a ZTR with ZT2800s some years ago, but didn't own it long enough to change the oil and filters on them.
2016 Subaru Forester 2.5, CVT. 2016 Nissan Quest SV (Babe magnet IV)