Farm Equipment - WD45 power steering fluid

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WD45 power steering 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=151246
Printed Date: 24 Oct 2025 at 4:17pm
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Topic: WD45 power steering fluid

Posted By: Orange Glow
Subject: WD45 power steering fluid
Date Posted: 13 Jun 2018 at 8:44am

I had a leak on my power steering hose on my 45, and am going to have most of the oil drained to get the hose swapped with my new one. I am wondering what oil is best for it? I have 55 gallon drums of John Deere hydraulic oil, and of Low Viscosity Hy-guard hydrostat oil. Would the hydrostat oil work better than regular hydraulic oil?
Thanks!

Replies:

Posted By: Stan IL&TN
Date Posted: 13 Jun 2018 at 11:06am

I can't remember what I used after I rebuilt mine. Service book says to use SAE20W non-foaming motor oil. I would say that either one of what you have will work just fine.

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1957 WD45 dad's first AC

1968 one-seventy

1956 F40 Ferguson