8050 will move in reverse but stalls in foward
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=137614
Printed Date: 08 Nov 2025 at 7:28pm
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Topic: 8050 will move in reverse but stalls in foward
Posted By: OGF HAY & GRAIN
Subject: 8050 will move in reverse but stalls in foward
Date Posted: 20 Apr 2017 at 10:15pm
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My 8050 has worked good up until last week and i backed up to a disk got hooked up and it wouldnt move in any of the foward gears its a ps trans with mfwd. It never has acted up and it full of fluid. Any suggestions on what to do to fix it
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Replies:
Posted By: Mikez
Date Posted: 20 Apr 2017 at 10:18pm
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Welcome to forum. There's a bunch of good guys on here that I'm sure will help you out
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Posted By: Sagefarmer
Date Posted: 20 Apr 2017 at 10:22pm
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I cant help you either, but I will be following this. I was hoping to pick up another powershift for cultivating. Had good luck with an 8070
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Posted By: MACK
Date Posted: 20 Apr 2017 at 10:26pm
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I would pull valve body off and check for stuck plungers. Usually caused by something coming apart. Might get lucky. MACK
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Posted By: DrAllis
Date Posted: 21 Apr 2017 at 7:47am
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If you are lucky, don't start the engine just yet. Shift the lever from Reverse to 6th and back again, SEVERAL TIMES. Then, start the engine and see if it fixed itself. I've had this work a couple of times when a piece of debris got jammed in the valve plunger and with the valve cooled down overnite, was able to get things working again by this method.
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Posted By: OGF HAY & GRAIN
Date Posted: 22 Apr 2017 at 8:36am
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I tryed the shifting it back and forth it didnt seem to do anything i did figure out it will move in 5th an 6th gear but none of the low gears it just stalls out. If you guys know any more tricks ill try em i really dont want to tear this one down
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Posted By: DrAllis
Date Posted: 22 Apr 2017 at 7:50pm
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You now remove the power shift valve (behind the batteries)and make sure there aren't any stuck plungers or linkage/rack problems. No problem in the valve means the transmission has a problem internally.
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