Farm Equipment - 1953 WD45 hydraulic pump

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1953 WD45 hydraulic pump

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=14439
Printed Date: 02 Feb 2025 at 10:44pm
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Topic: 1953 WD45 hydraulic pump

Posted By: Adam12
Subject: 1953 WD45 hydraulic pump
Date Posted: 27 Jun 2010 at 8:00pm

I removed the hydraulic pump from my 1953 WD45 because it would not lift the arms when cold, I found that one of the plungers is stuck in the main body below the surface so I cannot get any thing on it to remove it. I was wondering if anyone else had run in to this before and how did you get it out.

Replies:

Posted By: CTuckerNWIL
Date Posted: 27 Jun 2010 at 11:16pm

I had one stuck in a B pump. I soaked it good with Kroil and started lightly tapping on it. It finally started coming up after working at it for a couple days.

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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF

Posted By: Adam12
Date Posted: 28 Jun 2010 at 5:41pm

Thanks for the advise, I ended up getting it out today using some zep45 and a small hammer and punch.

Posted By: Bill Long
Date Posted: 28 Jun 2010 at 9:34pm

We used to weld big flat warshers on the stuck plunger then pried it out with a heavy screwdriver. Remember, new parts were just a step away then. Now you have to do it like you did above. Congratulations!!

When you remove the valve body be certain to keep them in order when replaced and immersed in something like diesel fuel so they will not enlarge or shrink.

Good Luck!

Bill Long