Farm Equipment - WD45 engine in OPOP auction

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WD45 engine in OPOP auction

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=15047
Printed Date: 15 Dec 2025 at 1:21am
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Topic: WD45 engine in OPOP auction

Posted By: Sandknob
Subject: WD45 engine in OPOP auction
Date Posted: 11 Jul 2010 at 10:17pm

I have a WD45 engine that I will have in the OPOP auction. I originally intended to bring it up as a complete engine (and for the most part it still is). I just want everyone on here to know what I have found with it so they can bid accordinly. It has no intake manifold (didn't come with one when I bought it) and the oil lines are gone. I pulled the head to clean up the intake ports (mud daubers) and when I pulled the rocker arm shaft one of the mounts broke in half. Otherwise all the valves look in decent shape and move freely. When I got the head off I realized it was a rebuilt engine. There is not a spot of carbon on the pistons (clean as a whistle), sleeves look decent too. Here is the interesting part. They are flat top pistons used in conjunction with the 45 head. Are these M&W pistons? They have AE stamped into the top of each of them (factory). The bottom end seems good (I didn't tear into it). I stuck a battery in it and it spins very good with no noise.

I will bring this to Dales auction with the head off so everybody can have a look at the pistons before they bid.

Thanks

Adam