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HD6B muffler

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=75855
Printed Date: 29 Jun 2025 at 2:39pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD6B muffler

Posted By: Ages Cat
Subject: HD6B muffler
Date Posted: 26 Aug 2013 at 9:08pm

I am looking for a 099964 muffler/manifold for one of the HD6's. Any ideas/help would be appreciated. Thank you.

Replies:

Posted By: Dozer
Date Posted: 02 Sep 2013 at 7:52am

The cast iron exhaust manifold (74339512) that came with the HD7G's is a better choise if you can find one. The cast iron exhaust manifold was on the turbocharged 4 cylinder motor.

Posted By: Ages Cat
Date Posted: 02 Sep 2013 at 1:55pm

This HD6B was updated to the 6000 configuration, so the hood was modified to allow for the muffler.The HD7G manifold would allow for the hood to no longer have a need for the added hump. (it is pretty ugly). I know a guy who might have one.

Posted By: Dozer
Date Posted: 03 Sep 2013 at 6:44am

One of my HD6G's has the 6000 motor with the cast iron manifold and turbo. There is a second hole in the hood because the turbo exhaust is in a different location. If the turbo is not used with the cast iron exhaust manifold the exhaust is in the original location.

Posted By: Ages Cat
Date Posted: 03 Sep 2013 at 9:36am

If I can find a manifold, I will make a new hood and eliminate the camel's hump.