Farm Equipment - R-40 unloading auger

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R-40 unloading auger

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=129801
Printed Date: 08 Jun 2025 at 2:06am
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Topic: R-40 unloading auger

Posted By: Arcs and Sparks
Subject: R-40 unloading auger
Date Posted: 09 Oct 2016 at 6:54pm

I have an electrical glitch in the unloading system of my R-40. 6 out of 10 times the auger will not shut off via the switch and I end up having to pull the fuse to actually stop the auger. I've replaced the switch in the console but no change in the problem. When the switch will actually work seems to have no distinct pattern. Sometimes it will work for several cycles and then not work again for several more cycles. Rather frustrating to say the least and sure a pain when you are trying to top off a wagon load. Anybody had a similar problem? I'm looking for some trouble shooting advise and all suggestions are really appreciated. Thanks in advance.

Replies:

Posted By: tbran
Date Posted: 09 Oct 2016 at 7:29pm

there is a module on the bottom of the console under the fuse box - square bout an 1" square best I can remember. solid state latching relay. Either a bad ground - or it has a issue and is going bad. I replaced the momentary switch with an on off rocker, ran the hot wire as a trigger to a relay I installed and used the safety switch on the roll out as a ground. Then of course ran the wire from the fuse to the relay and then to the magnet via oem harness.

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When told "it's not the money,it's the principle", remember, it's always the money..

Posted By: shameless (ne)
Date Posted: 09 Oct 2016 at 8:05pm

had a mouse?

Posted By: wayneIA
Date Posted: 10 Oct 2016 at 1:08am

My R50 did the same thing, like what tbran said, it's the relay module under the console that needs to be replaced. The AGCO part number is: 71345084

Posted By: Amos
Date Posted: 10 Oct 2016 at 6:01am

I had the same problem with our R50 many years ago and that little box under the console was the problem,,,I think the welder caused the problem.