Farm Equipment - MS carb numbers

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MS carb numbers

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=128377
Printed Date: 04 Apr 2026 at 11:33am
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Topic: MS carb numbers

Posted By: LionelinKY
Subject: MS carb numbers
Date Posted: 06 Sep 2016 at 5:41am

Just curious what is really the difference between different carbs that will all supposedly work on the same tractor?

A prime example would be a WD45. I've seen where you could use anything from I think a TSX464 to a TSX673 up to a TSX871. I understand that jet sizes and bore sizes could be different between the carbs but still seems odd to me that such a wide range of different carbs would all seemingly work the same on any WD45 engine.

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"My name is Lionel and I'm an Allisoholic"