7045 PowerShift
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=118449
Printed Date: 18 Sep 2025 at 6:25pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: 7045 PowerShift
Posted By: silofarms
Subject: 7045 PowerShift
Date Posted: 02 Feb 2016 at 10:00am
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I have a 1981 7045 powershift that slips in high range, especially reverse. I've eliminated the torque limiter being the problem: The pto stays running if i put transmission in a high gear and hold the brakes. The engine lugs down but tractor doesnt move. Low range seems to be fine, and will almost kill the engine. Any other things i can check before i take it to dealer?
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Replies:
Posted By: Ky.Allis
Date Posted: 02 Feb 2016 at 4:45pm
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If your going to take it to a dealer then the only thing I know to check first is your bank account. I guess you are lucky to have a dealer to work on it. There's not a dealer anywhere in my area that would work on an Allis.
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Posted By: Big Orange
Date Posted: 02 Feb 2016 at 6:43pm
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You must have a powerdirecter trans. not a powershift. What is the HP on your tractor?
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Posted By: silofarms
Date Posted: 02 Feb 2016 at 6:45pm
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Yes, it is a 12 speed powershift
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Posted By: tbran
Date Posted: 02 Feb 2016 at 7:50pm
there is no difference in low range to high except higher 2 speed rear end speed which puts a higher load on the 6 speed when trying to overpower the brakes. Warm up the oil, put the rpms to the point that the 1800 rpm light just goes out. Then shift through all the gears with the tractor in park. The light should come on then go off the same in all gears. IF it stays on in one gear, that is the faulty clutch pac in use. Does the PTO slow down when the clutch is slipped? IF so - that is the issue - torque limiter. The pto may not stop - just slow down.
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When told "it's not the money,it's the principle", remember, it's always the money..
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