Farm Equipment - 77 7040 fuel pump

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77 7040 fuel pump

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=207650
Printed Date: 13 Aug 2025 at 8:04pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 77 7040 fuel pump

Posted By: archangel_cpj
Subject: 77 7040 fuel pump
Date Posted: 02 Aug 2025 at 9:47pm

Have a 77 7040 Roosa pump on it has a bit of a dribble coming from the lever on the front of the pump the throttle I believe... Not much but there... Im not keen on a rebuild if I can help it id there an bring or something in there I can replace???

Replies:

Posted By: cornel b
Date Posted: 11 Aug 2025 at 8:43pm

throttle shaft has o-rings on it . new o-rings are made for new low sulfur fuel. get them at pump shop