6080 Clutch not engaging
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=176477
Printed Date: 07 Jun 2025 at 12:18pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 6080 Clutch not engaging
Posted By: Stormz1969
Subject: 6080 Clutch not engaging
Date Posted: 04 Dec 2020 at 4:00pm
| Today I was backing my tractor out of its parking spot and when I tried to shift into forward the clutch pushed in easier than normal and the pedal stayed down. After a bit the pedal came back up but now is easier to push down than normal and isn’t engaging anything and is stuck sitting in the middle of my driveway. I can’t find much info on the clutch online to know what to look for. Under the tractor I can see the cable and levers moving with the pedal. Thanks for any info/help anyone can give me. |
Replies:
Posted By: DrAllis
Date Posted: 04 Dec 2020 at 7:16pm
| I'm assuming you cannot shift the transmission into any gear with the engine running?? With the engine off, shift into LOW gear. Step on the clutch and start the tractor. I expect the tractor to start and move. This means the throwout bearing must have failed and ate its way thru the pressure plate fingers, is what my guess is. Don't run over anybody or drive thru the shed wall. |
Posted By: LB0442
Date Posted: 04 Dec 2020 at 7:24pm
The clutch is pretty standard on these. The release bearing pushes on clutch forks which release pressure on the disc. My first thought would be a broken clutch cable, just make sure when you are pushing on the pedal have someone confirm the linkage is moving below. This is what they look like inside. Another thing that could happen , not very common though would be the bolt holding the release fork to the cross rod could have backed out or broken(you can just see the head of the bolt in the picture). If that bolt was missing I think you could spin that shaft all the way around? Or the last little bit of friction material could have just come apart on the disc. Make sure you didn't bump the 3 speed gearbox in neutral when you were checking the clutch also?
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Posted By: MACK
Date Posted: 04 Dec 2020 at 8:58pm
| Pressure plate cover could have broken. They usually knock when they break . MACK |
Posted By: Stormz1969
Date Posted: 05 Dec 2020 at 8:18am
| I can shift it when the engine is off and when I turn the key it does try to move when I turn the key. I don’t know anything about this clutch or any clutch for that matter and couldn’t find any exploded views online to look at. Underneath I can see the cable connected to a black arm that all move when I move the pedal. |
Posted By: LB0442
Date Posted: 05 Dec 2020 at 9:40am
Here is what the pressure plate looks like. It sounds like the clutch is not disengaging so at least you can move it to an area to work on. Use first gear and low on the 3 speed, low rpm and it will just creep along. Shut it off when you get where you need it.
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Posted By: Stormz1969
Date Posted: 05 Dec 2020 at 3:51pm
| Is there any tricks to get a clutch to disengage or do I have to split the tractor? I started it in 1st to get it out of my driveway. All the linkage looks good. Not much resistance when pushing the pedal. |
Posted By: AC720Man
Date Posted: 05 Dec 2020 at 4:08pm
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If the linkage is working properly then it sounds like you will need to split it. I would replace the pto clutch while you have it apart. Rick has what you need, he is on the forum. Great prices and a great product. Be patient putting it back together and don’t force it. It has to be lined up exactly to go together...or you will bend or damage the clutch. ------------- 1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD |