Farm Equipment - WD45 fornt engine support bolt size

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WD45 fornt engine support bolt size

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=100812
Printed Date: 07 Sep 2025 at 3:57pm
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Topic: WD45 fornt engine support bolt size

Posted By: Allis dave
Subject: WD45 fornt engine support bolt size
Date Posted: 22 Jan 2015 at 7:58am

I pulled the motor on my 45 and can't seem to find the correct bolts to bolt the front of the engine to the support. I have two 1/2" bolt left but the won't thread into the holes. I got two new 7/16" bolts and the feel like they might be too small. Does anyone remember what the correct size is?

Replies:

Posted By: DrAllis
Date Posted: 22 Jan 2015 at 8:33am

!/2 inch diameter, coarse threads, about 1 inch to 1 1/4" long.

Posted By: TedBuiskerN.IL.
Date Posted: 22 Jan 2015 at 10:41pm

Loosen the motor mount bolts on the side channel, so you can line the holes up, then retighten the side bolts. They are 1/2-13 threads. Be sure to shim the front mount per the book, or you will put undue strain on the crankshaft.

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Most problems can be solved with the proper application of high explosives.

Posted By: Allis dave
Date Posted: 23 Jan 2015 at 7:36am

Thanks guys, I thought for sure they were 1/2. I tried to slide a feeler gauge between the support and mount but even the smallest wouldn't slide between. I assumed this meant I didn't need to shim.