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1979, 185 shifting problems

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=141257
Printed Date: 20 Oct 2025 at 3:44am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 1979, 185 shifting problems
Posted By: oscar
Subject: 1979, 185 shifting problems
Date Posted: 09 Aug 2017 at 9:07am
I backed up to unhook my tractor from a trailer. Unhooked it and then I cannot shift into any gear forward or reverse. I can feet it shift into the gear but it does not move. Any help will be appreciated!  



Replies:
Posted By: DrAllis
Date Posted: 09 Aug 2017 at 9:14am
Do you have power steering ????????


Posted By: oscar
Date Posted: 09 Aug 2017 at 9:15am
Yes



Posted By: DrAllis
Date Posted: 09 Aug 2017 at 10:10am
Foot clutch center has failed.


Posted By: oscar
Date Posted: 09 Aug 2017 at 10:19am
Thanks for the help, I am pretty good at fixing things is this a big job? Are there any resources on how to do this job?


Posted By: DrAllis
Date Posted: 09 Aug 2017 at 11:44am
If the foot clutch has failed, the PTO will not pull a load either. Shift into any gear with Power Director lever in low or high and the PTO should NOT turn if the foot clutch is the problem. I take it the gearshift feels OK, the tractor just won't move ??


Posted By: oscar
Date Posted: 09 Aug 2017 at 12:27pm
The PTO Turns fine, It does not have a load on the PTO, but it starts turning the second you engage it. Thanks again for helping me, I know everyone's time is valuable.


Posted By: DougG
Date Posted: 09 Aug 2017 at 1:38pm
Just an opinion, but if the foot clutch was out the gears would grind horrible , he says it will go into gear


Posted By: oscar
Date Posted: 09 Aug 2017 at 1:43pm
No grinding unless you go to reverse. Feels like it goes in the other gears fine.


Posted By: DrAllis
Date Posted: 09 Aug 2017 at 3:37pm
If the PTO works, the foot clutch is fine. Seems funny the way you describe it. I'm not there. I give up.


Posted By: WF owner
Date Posted: 09 Aug 2017 at 4:14pm
Maybe a problem in the final drives or a broken axle?


Posted By: allisbred
Date Posted: 09 Aug 2017 at 8:59pm
On the early model 185 we have had same type of issues at 10 degrees or colder-- tractor will shift into gear, not move. PTO & steering work fine, not sure about the director because no forward or reverse movement. Allow to run for about 10 min and everything is fine- and has been that way for several years. Tractor has high hours -- I always thought the shifter may not allow to fully catch the gear when very cold due to wear. Feels like it's in gear though. Maybe the same type of an issue?? This one to date still operates fine under normal conditions.


Posted By: Lonn
Date Posted: 10 Aug 2017 at 6:30am
To me it sounds like the valve for the power director is stuck in neutral position. Just a guess on my part.


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Posted By: Gary Burnett
Date Posted: 10 Aug 2017 at 6:37am
Did you move the power director while unhooking the trailer?


Posted By: MACK
Date Posted: 10 Aug 2017 at 7:30am
Spider gear pin fell out.   MACK


Posted By: oscar
Date Posted: 10 Aug 2017 at 8:34am
Did not move the power director, Let it run for a long time to warm it up to see if it would move. How hard is it to check the power director and the spider gear pin?


Posted By: DrAllis
Date Posted: 10 Aug 2017 at 8:37am
If the differential spider pin fell out, you'd be able to grind ALL GEARS with engine running and clutch pedal up and Power Director lever in low or high.



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