200 pto
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=181802
Printed Date: 21 Aug 2025 at 1:32am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 200 pto
Posted By: mike-mn
Subject: 200 pto
Date Posted: 16 Jul 2021 at 8:18am
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Last summer I had the coupler for the hydraulic pto inside my 200 disengage. It did it again this summer, both times baling hay, but different balers. I took the plate off like Dr. Allis said and slid the coupler forward. I'm pretty sure I heard it click in place. Is there something else to look for or do when I go in there again?
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Replies:
Posted By: DrAllis
Date Posted: 16 Jul 2021 at 9:11am
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There were two types of sliding coupler systems. I assume yours does NOT have the short lever directly behind the battery box ?? If this is true, there must be a problem with the snap-ring that is inside the coupler keeping it locked where it belongs. It shouldn't slide out of engagement by itself. Twisted splines on the rear shaft or a weak snap-ring ?? I've only had a couple of tractors ever do this in the last 4 decades and each one I made sure it could never happen again, by reaching in thru the side and strategically placing a couple spots of weld on the front shaft so the coupler cannot slide forward. Crude? yes. Fixed ? YES.
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Posted By: mike-mn
Date Posted: 16 Jul 2021 at 9:44am
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I was thinking of doing something like that, but was not sure if there was something else first. It is very irritating, and I don't want to do it again. Thanks again.
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Posted By: Alvin M
Date Posted: 16 Jul 2021 at 11:25am
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Make sure the back shaft does not have play in and out
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