F3 hydraulic fluid
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=128083
Printed Date: 25 Dec 2025 at 10:22am
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Topic: F3 hydraulic fluid
Posted By: Ben (MI)
Subject: F3 hydraulic fluid
Date Posted: 31 Aug 2016 at 6:16am
This may have been asked in an earlier discussion before, even by me but I don't find it. My F3 manual specifies Dexron II for the hydro drive/hydraulic system which I know has long ago been upgraded. In reading labels of the latest versions of Dexron, some say replaces Dexron II, some say do not use as Dexron II. What do you guys use? I am looking at either Dex/Merc or Dexron VI I think. Thanks.
Edit for typo
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Part time farming with a 1980 7060 and 1984 F3 hydro.
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Replies:
Posted By: DrAllis
Date Posted: 31 Aug 2016 at 7:08am
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Who says don't use Dexron?? Later model Gleaners in 1997 ?? started using Power Fluid 821XL tractor hydraulic oil, but I don't remember any F-3 using that. Stick with Dexron or it's replacement (Dex 2 or 3 ??) You'll never be able to completely drain all your old oil out, so you'd be mixed apples and oranges together if you switch.
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Posted By: Ben (MI)
Date Posted: 31 Aug 2016 at 7:37am
Thanks. I was just comparing labels on the bottles which caused confusion. Dexron VI is the latest I think, labeled as replacement for II. VI it will be.
I just wasn't sure about dex/merc labeled fluid I guess.
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Part time farming with a 1980 7060 and 1984 F3 hydro.
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Posted By: DanD
Date Posted: 31 Aug 2016 at 2:09pm
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The Dexron is backward compatible. That is, if something called for II, you can use III or VI.
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