Hyd fluid or motor oil????

General help and support for your Lindeman through 2010 John Deere crawler

Hyd oil or Motor oil for the Hyd system?

Poll ended at Fri Oct 29, 2010 11:17 pm

motor oil
hyd fluid
Total votes: 15

2010 crawler
2010 crawler
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Post by Ray III » Sat Jan 06, 2018 4:07 pm

Lavoy wrote:
Thu Sep 30, 2010 7:39 pm
I run AW48 or AW62 hyd fluid. On occasion where we have a crawler that has hyd couplers on the back, and it may share a piece of equipment with a later model tractor, we use HyGard or equivalent to prevent cross contamination. You typically lose about 100PSI with HyGard, and the pumps seem to howl a little bit more, but I have never had damage occur.
I have been using AW32. Do you run the heavier oil because all these old systems have wear in them at this point? The hydraulics just don't seem to work well on AW32, but that was what the owner's manual said to use.

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Re: Hyd fluid or motor oil????

Post by Lavoy » Mon Jan 08, 2018 9:54 am

Yes, I run a little heavier oil than recommended for just that reason.
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