Farm Equipment - WD45D water pump

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WD45D water 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=154878
Printed Date: 05 Apr 2026 at 11:47am
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Topic: WD45D water pump

Posted By: OrangeFever
Subject: WD45D water pump
Date Posted: 17 Oct 2018 at 5:41pm

Bought an aftermarket water pump for our wd45 diesel and there is no dowl pin on it. Im going to drill a hole for one and install a pin. Has anyone else came across this issue?

Replies:

Posted By: Matt (Jordan,MN)
Date Posted: 17 Oct 2018 at 9:21pm

What dowl pin? The only pin there is in the gasket and that goes in the small hole in the head.

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Owner of Matt Scott LLC
Specializing in NOS and used Allis Chalmers tractor & implement parts & liturature and Magneto Repair
http://www.mattscottllc.com/

Posted By: OrangeFever
Date Posted: 18 Oct 2018 at 5:56am

Thats what im talking about Matt. There is no pin thru the back plate to keep the pump passages in alignment to the head.

Posted By: Matt (Jordan,MN)
Date Posted: 18 Oct 2018 at 10:34am

The little pin that's in the gasket keeps the gasket lined up with the head. The water pump is kept in alignment with a short peice of flat steel that bolts to the back of the water pump and to the front of the block.

-------------
Owner of Matt Scott LLC
Specializing in NOS and used Allis Chalmers tractor & implement parts & liturature and Magneto Repair
http://www.mattscottllc.com/

Posted By: OrangeFever
Date Posted: 18 Oct 2018 at 4:39pm

Thanks for your help. I found the bracket!