Pulling Forum - wd45 build

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wd45 build

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Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=182992
Printed Date: 19 Feb 2025 at 8:32pm
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Topic: wd45 build

Posted By: Yard Art
Subject: wd45 build
Date Posted: 01 Sep 2021 at 9:40pm

I'm new to Allis-Chalmers. But reading some of the posts on wd45 engine builds there has been some talk about putting Farmall H rods in a 226. But I have not read any posts that goes into detail on if they are just drop in or if there is machine work needed? What was in one of the other posts is that this raises the piston 1/2 inch. Is this true?

Replies:

Posted By: DrAllis
Date Posted: 03 Sep 2021 at 8:57am

There is more than one "H" Farmall rod, I think. 8 inch center to center would be 1/2" longer than the A-C rod and there is such a thing. I do not know large end diameters or pin size.

Posted By: Yard Art
Date Posted: 03 Sep 2021 at 2:43pm

Do you know large end diameters or pin size in a wd45 226?

Posted By: DrAllis
Date Posted: 05 Sep 2021 at 6:48am

Crankshaft rod journal on the AC is approx. 2.375" when new and depends on how many times it's been reground undersized. Piston pin is .990".