Farm Equipment - 1954 B engine surge

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1954 B engine surge

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=7857
Printed Date: 04 Nov 2025 at 3:03am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 1954 B engine surge

Posted By: case580
Subject: 1954 B engine surge
Date Posted: 09 Feb 2010 at 11:50am

Engine wants to surge if I happen to release clutch to quickly. This tractor has an L59 belly mower and while running the mower it seems to make the release of the clutch more sensitive (guess that is due to the extra pull from the PTO on the engine).

Another forum member mentioned yesterday (via email) I should check the surge spring. I checked and this tractor does not have such a spring. Could this surge be caused by something other than a missing surge spring? I plan on putting a new spring on but wanted to get other thoughts while I wait for a new spring to arrive. If anyone has a picture showing how the antisurge spring mounts that would be great.

Thanks

Replies:

Posted By: Brian Jasper co. Ia
Date Posted: 09 Feb 2010 at 12:54pm

Not having that spring can do what you are seeing. It hooks to the throttle lever on one end and the other hooks to one of the manifold studs next to the air cleaner.

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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford

Posted By: Dick L
Date Posted: 09 Feb 2010 at 5:40pm

A spring might help and sure won't hurt but I wouldn't get to disappointed if it don't cure the problem. I would check the cross over arm from the governor for proper adjustment while messing around installing the spring. It needs about 1/16 of an inch pressure closing the butterfly against the stop screw at idle.