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Re: HydroGear factory fill EZT-2200 UOA [Re: SOHCman] #4865820
09/11/18 04:40 AM
09/11/18 04:40 AM
Joined: Jul 2014
Posts: 274
PA
Patrick0525 Offline OP
Patrick0525  Offline OP
Joined: Jul 2014
Posts: 274
PA
Originally Posted by SOHCman
The word on the street is hydro units love ZDDP, zinc in particular. Exmark used to only recommend M1 15w-50, but ever since Mobil lowered the zddp levels in it they had to start offering their own Exmark branded fluid. No idea who actually makes it but its alleged to be loaded with zinc.


Amsoil Hydrostatic Transmission zddp levels. https://bobistheoilguy.com/forums/ubbthreads.php/topics/4865819#Post4865819


'14 Toyota Venza 3.5L 70K mi
TGMO 0W-20/Toyota filter (winter)
PP 0W-20/Fram Ultra filter(spring/summer)


Re: HydroGear factory fill EZT-2200 UOA [Re: Patrick0525] #4878178
09/24/18 08:27 PM
09/24/18 08:27 PM
Joined: Jun 2002
Posts: 19,520
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,520
Iowegia - USA
Was this the factory fill?

If there are no babbit bearings, and it appears they are using only roller bearings, the lead must have come from a chemistry component added at the factory, most likely Lead(2+) di(2-naphthoate).

Since there appears only to be spur gears involved, ZDDP levels of 700 ppm are sufficient. No need for EP additives.

The analyzed oil appears to about an 80W90.

Last edited by MolaKule; 09/24/18 08:38 PM.

Scars remind us of where we have been, but do not have to dictate where we are going.
Re: HydroGear factory fill EZT-2200 UOA [Re: MolaKule] #4878205
09/24/18 08:56 PM
09/24/18 08:56 PM
Joined: Jul 2014
Posts: 274
PA
Patrick0525 Offline OP
Patrick0525  Offline OP
Joined: Jul 2014
Posts: 274
PA
Originally Posted by MolaKule
Was this the factory fill?

If there are no babbit bearings, and it appears they are using only roller bearings, the lead must have come from a chemistry component added at the factory, most likely Lead(2+) di(2-naphthoate).

Since there appears only to be spur gears involved, ZDDP levels of 700 ppm are sufficient. No need for EP additives.

The analyzed oil appears to about an 80W90.



Yes, this is a factory fill on my Club Cadet ZTR.


'14 Toyota Venza 3.5L 70K mi
TGMO 0W-20/Toyota filter (winter)
PP 0W-20/Fram Ultra filter(spring/summer)


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