Farm Equipment - B engine

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B engine

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=212691
Printed Date: 03 Nov 2026 at 11:46am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: B engine

Posted By: john2189
Subject: B engine
Date Posted: 03 Nov 2026 at 10:16am

How do you get the crank pulley off? Got the setscrew out. Tried a couple wood wedges. Wont budge. Doesn’t look like a 3 jaw puller will work. I don’t want to ruin it.
And what do you use to get the nut on the setscrew loose? I used a chisel, it wasn’t that tight.

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'41 Allis B
'49 Farmall Cub

Replies:

Posted By: mdm1
Date Posted: 03 Nov 2026 at 10:56am

I got a large bearing separator from HF and used that as a puller. Worked good. You have to be careful not to damage the pulley.

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Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!