Construction and other equipment - HD6 locked in 3rd gear

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HD6 locked in 3rd gear

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=184250
Printed Date: 30 Nov 2024 at 10:31pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD6 locked in 3rd gear

Posted By: Joe Goodwill
Subject: HD6 locked in 3rd gear
Date Posted: 29 Oct 2021 at 10:58am

I have our HD6 and blew a shift it is locked in third I believe and shifter is out of place somehow. Can I pop the top off or is this a big project?
Thanks in advance.

Replies:

Posted By: CAL(KS)
Date Posted: 29 Oct 2021 at 11:13am

They are pretty simple. remove the two bolts that the shifter pivots on and pull the shift lever out of the top. then you can see the shift rails and have a look. likely you just came out of the gates because its worn. put in neutral with a bar and check pivots for wear. you can build up with a welder and/or make new pivot bolts then reinstall

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Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15

Posted By: Coke-in-MN
Date Posted: 29 Oct 2021 at 8:30pm

common problem on the shift tower being worn
couple things need to be fixed

the bolts into the round tube in yoke wear as does the tube

roll pin through yoke wears and gets sloppy and shift ball at end of yoke slips by shift rails
ball end wears on both flat side and round ball end and slides between shifting rails
All this is easily fixed IF you have access to welder and a lathe

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Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
"Challenges are what make life interesting; overcoming them is what makes life meaningful."

Posted By: Joe Goodwill
Date Posted: 29 Oct 2021 at 10:23pm

Thanks for the replies! Came apart repositioned the shifter and spent the afternoon clearing trees on fence line. Sweet machine for 60+ years old.