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View Full Version : Where to find SAE 30 weight HYDRAULIC fluid??


MoGreen
09-10-2011, 07:34 AM
I need about 3-4 quarts, but cannot find it. Also, did some research. Is ISO 100 the same as SAE 30?
Thanks!

Restrorob
09-10-2011, 12:33 PM
I ran across this;

http://i107.photobucket.com/albums/m314/Restrorob/Misc%202/30WHydroOil.jpg


I would call Eaton back and make sure their not calling 30W ENGINE oil Hydro oil because it's going into a hydro system.

Hydro Gear and Peerless uses ENGINE oil in their pumps and I've never put anything but in Eaton's.....

MoGreen
09-12-2011, 12:42 AM
So you would recommend the Amsoil syncromesh tranny fluid in it?
The tech at Bobcat told me to use the Mobil 1 Delvac synthetic 50 transmission oil. (it was in a TSB they got from Eaton)
Eaton said 30 weight hydro fluid.
50 seems a little heavy, eh?

Restrorob
09-12-2011, 09:01 PM
MoGreen,


I'm not going to recommend anything in this situation, There's just too many different stories being thrown around.

I would call Eaton back and make sure their not calling 30W ENGINE oil Hydro oil because it's going into a hydro system.



My plan was to do this at lunch time today, But I had to return home for a tool I needed at the shop and killed too much time.....


Sorry.....http://www.xtremesystems.org/forums/images/smilies/shrug.gif

IRRITECH
09-12-2011, 09:12 PM
You are in luck. I searched for this for months with a mower sitting because I couldn't find it and no one had any idea what I was talking about. I finally found it IN STOCK at Grainger. It's a Mobile One product

http://www.grainger.com/Grainger/EXXONMOBIL-Premium-Circulating-Hydraulic-6Y781?Pid=search

What do you need it for??

My machine called for "ISO 100 (SAE 30) hydraulic oil"

IRRITECH
09-12-2011, 10:02 PM
Look at the specs. ISO 100, SAE 30

MoGreen
09-12-2011, 11:28 PM
Got it! Thanks for the help!!
I'm down to my LAST part I need to rebuild this thing.
I "broke" the plastic actuator that bypasses the fluid when free wheeling the mower around. Does anyone have this laying around? hahaha....
I purchased all of the other parts from partstree.com by referencing another mower that uses the same Eaton 778 pump/motor unit.
The thing is, it does not include the part number for the actuator. (Eaton p/n 108240-000)
Is there a "lawnmower parts junkyard" I could find this at?
Thanks for the help!

4 seasons lawn&land
09-12-2011, 11:38 PM
Those higher number ones get tough to find. I have some SAE 80-90 that I needed for my core drill. Ordered it from napa. At some point they stop calling it hydraulic fluid and start calling it gear oil.

fixer67
09-13-2011, 12:32 AM
SAE to ISO Gear Oil Conversion

I have had this problem before. Our oil supply company man tells me that SAE and ISO is like apples and oranges.
SAE 5W-30 and SAE 10W-30 and SAE gear lube grade 80W-90 can all be ISO grade 100.

ISO is a different classification than SAE. It is not like changing inches to millimeters but like trying to changes inches to litters or millimeters to degree fahrenheit or lead to gold.

Call the pump manufactures.

jdunk
10-02-2011, 08:05 AM
what could a bobcat tech know