Allis B
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=212497
Printed Date: 13 Oct 2026 at 9:51am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Allis B
Posted By: john2189
Subject: Allis B
Date Posted: 13 Oct 2026 at 6:06am
Just curious, Is there any way to tell if a 1942 engine is factory original? I’m about ready to rebuild it soon.
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'41 Allis B
'49 Farmall Cub
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Replies:
Posted By: steve(ill)
Date Posted: 13 Oct 2026 at 7:33am
the only things that can possibly not be "original" is the piston / liners / rings... You never know if they have the overbore pistons and liners, or factory parts... Gaskets, cam, crank, rods, gaskets, everything else will be "original" ... at least in size... You would have to take the head off to see what the bore is... There were some aftermarket pistons that might use a different size rings... so pull one piston before you order rings..
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Like them all, but love the "B"s.
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Posted By: john2189
Date Posted: 13 Oct 2026 at 9:10am
Another thing, I know that there is a wick at the end of the crank to lube the pilot bearing. How do you install it and how much does it stick out?
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'41 Allis B
'49 Farmall Cub
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Posted By: steve(ill)
Date Posted: 13 Oct 2026 at 9:43am
i cut one end to a point so it looks like a nail... soak it good with engine oil... poke into the hole and push with a pair of needle nose pliers... might use a pick to help push into the hole.. engine end is flush.... flywheel end sticks out a minimal amount to distribute the lube... It sould be compressed TIGHT into the hole.. you only want a drop now and then to get thru it.. not a flow.
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Like them all, but love the "B"s.
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