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CA Muffler

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=165045
Printed Date: 14 Sep 2025 at 7:46pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: CA Muffler

Posted By: Wot
Subject: CA Muffler
Date Posted: 15 Oct 2019 at 3:57am

Hi,

How do I know witch muffler needs to be on our 1955 CA?

It's a kerosine engine. The hood isn't original.

Has the muffler to be under te hood (like most B's) or does it to be above / trough the hood?

Thanks, Wot

Replies:

Posted By: Alex09(WI)
Date Posted: 15 Oct 2019 at 4:17pm

The original muffler for the low octane engine was the under hood muffler and the through-the-hood muffler was for the gas engines. If you dont care about factory original, either muffler will be functional.

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www.awtractor.com
A&W TRACTOR 920-598-1287
KEEPING ALLIS-CHALMERS IN THE FIELDS THROUGH THE 21ST CENTURY

Posted By: Dick L
Date Posted: 16 Oct 2019 at 4:22am

If you have a CA the muffler is thru the hood with a skirt to keep the water out. It bolts to the manifold with two cap screws.

Posted By: Charlie175
Date Posted: 16 Oct 2019 at 5:58am

I think 1948 was the last year for the under the hood muffler on the B?

CA never had them that I recall.

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD

Posted By: Alex09(WI)
Date Posted: 18 Oct 2019 at 11:55am

According to the AGCO parts book, CA's with low octane engine (kerosene) had the under hood muffler, but if you don't care about keeping it original, the straight muffler would be the way to go.

-------------
www.awtractor.com
A&W TRACTOR 920-598-1287
KEEPING ALLIS-CHALMERS IN THE FIELDS THROUGH THE 21ST CENTURY

Posted By: Gary
Date Posted: 19 Oct 2019 at 6:47am

As stated above, per Allis Parts Catalog:

Low Octane Fuel Manifold 212284, U/Hood Muffler 210081

Gas Fuel Manifold 225323 Thru the Hood Muffler 227240

Gary

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