Farm Equipment - WD../..WD45

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WD../..WD45

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=17385
Printed Date: 04 Nov 2025 at 6:32am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: WD../..WD45

Posted By: Cobb
Subject: WD../..WD45
Date Posted: 29 Aug 2010 at 6:50pm

Is the block in a WD the same as WD45....I need to do a little swicth'n around if it will work...

Replies:

Posted By: Brian G. NY
Date Posted: 29 Aug 2010 at 7:17pm

They are not the same but the parts from either will fit the other. As a matter of fact, after all the WD replacement blocks were used up A-C furnished the WD-45 blocks as factory replacements for both tractors. So...just because a particular tractor has a block with no side plate does not guarantee its a 226 C.I.D.. Of course there are lots of "sleeper" WDs out there with WD blocks and 45 innards, too. LOL

Posted By: Matt (NEIA)
Date Posted: 29 Aug 2010 at 9:39pm

I know of a lot of people who have WD's with 45's engines in um and vice versa

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1955 WD-45 with factory PS

Posted By: Cobb
Date Posted: 29 Aug 2010 at 9:50pm

Thanks for the replies...I have a 45 with a bad block and an extra WD good block..I guess I could just swap...BUT if I am getten it right ...it might be better to put the guts from the 45 into the WD block ???

Posted By: Brian G. NY
Date Posted: 30 Aug 2010 at 8:16am

Yep, I'd say about 7 to 9 HP better. LOL

Posted By: Kip-Utah
Date Posted: 30 Aug 2010 at 12:01pm

Our '41 WC had a dealer installed replacement block installed back in the 50s that was the WD45 type, but it had all stock WC internals in it. Kip

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HANSEN'S OLD ORANGE IRON. Showing, Pulling, & Going!!