Farm Equipment - Allis Chalmers B Gas Tank Valve

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Allis Chalmers B Gas Tank Valve

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=185701
Printed Date: 10 Sep 2025 at 4:28am
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Topic: Allis Chalmers B Gas Tank Valve

Posted By: cfciii03
Subject: Allis Chalmers B Gas Tank Valve
Date Posted: 12 Jan 2022 at 7:48am

Rebuilding 1955 Allis Chalmers B and don't want to use a sediment bowl. Any suggestions/pictures for an alternate 3/8 NPT valve ?

Thanks.

Replies:

Posted By: steve(ill)
Date Posted: 12 Jan 2022 at 8:39am

I rebuilt a CASE 530 12 years ago. Tank was rusty inside and i wanted to clean out over time.. I put a pipe sticking down 6 inches with a cap on the bottom. 3 inches up i put a TEE pointed toward the carb with a 3/8 brass ball valve in the line. Put a barb fitting after that with good inline filter, then hose to carb... We would pull the cap off the stand tube and drain out any CRUD every 8 hours, and changed the filter every couple months.. DId that for a few months, then OK since then.

Check the rating on the brass valve, but most are good for water / oil / gas (propane) application... worked for us.

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Like them all, but love the "B"s.