Farm Equipment - 70261443 Deep Shift Rail, 4th Gear

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70261443 Deep Shift Rail, 4th Gear

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=192625
Printed Date: 24 Aug 2025 at 5:27pm
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Topic: 70261443 Deep Shift Rail, 4th Gear

Posted By: BrettPhillips
Subject: 70261443 Deep Shift Rail, 4th Gear
Date Posted: 28 Dec 2022 at 1:07pm

I'm elbow deep in rebuilding a transmission for my 180 and my AGCO dealer tells me that the late model 185 shifter rail to fix 4th gear jump out is now obsolete. The 70261385 fork is still available at $300.96. Unless I can find the updated rail, I guess I'll have to make my own or modify my old rail. Does anybody know of a source for the 70261443 shift rail?

Brett Phillips

Strasburg, VA

Replies:

Posted By: Alvin M
Date Posted: 28 Dec 2022 at 4:26pm

Brett put spring 70229458 in side the other spring

Posted By: SteveMaskey(MO)
Date Posted: 28 Dec 2022 at 8:44pm

According to AGCO parts find a 180 serial #12723 and up at salvage yard and it should have the updated shaft

Posted By: Calvin Schmidt
Date Posted: 29 Dec 2022 at 8:44pm

Call Bob VerderPloeg at Meridian Equipment in Bellingham WA. Bob was a long time AC dealer. Said the updated shifter rail from Agco did not get it right. He had custom shifter rails made. Call him. Trust me, he knows what he is talking about.

I cured a OneNinety that I couldn't hold in 4th. Brother moved the detent about 1/8" and built the fork back up to spec. Now I can't get it to jump out of gear.

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Nothing is impossible if it is properly financed

Posted By: Kevin in WA
Date Posted: 29 Dec 2022 at 10:19pm

Bobs number is 360 398 2141 or 360 961 2524 cell

Posted By: BrettPhillips
Date Posted: 30 Dec 2022 at 8:49am

Thanks for the help Gentlemen! I have given some thought to making a new rail out of heat treated 4140 or similar steel. I'm always glad to have a decent machine shop when I get to work on older equipment. It sounds like maybe I can make some calls and cut out the R&D process. Thanks again!

Posted By: tbran
Date Posted: 30 Dec 2022 at 11:43am

We do several a year. Move the detent slots, you can braze up the wear on the fork. AFTER the trans is assembled with new gears and shifter collar and you are positive the pinion brg is tight with proper rolling torque, and there is ZERO play behind the snap ring that hold the gear stack tight, then shift the gears into 4th and 3d and in each gear pull hard on the shifter and see if you feel a 'pop' where it is coming out of detent and shifting deeper into gear - if so (and 90% will) move the slot in the rail as necessary to allow total shift in. Be careful about cutting the detent slot much deeper than stock as if it ever does jump out it could break the fork. USe the detent ball as a template. Sometimes we weld up behind the detent's old slot. Grind a 45 degree angle on the end of the 3/4 shifter rod to make it easier to put the detent ball back in. IF you have never taken on apart you will find a shop rag draped over the assy will eliminate an hour searching for the weaponized flying ball. IF you do it right you should never have to do it again - and if someone else gets on the tractor and grinds the gears and you witness it - you will probably go to jail :-) - ((look on the bright side - today you will serve no time!))

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

Posted By: Calvin Schmidt
Date Posted: 31 Dec 2022 at 12:56pm

My brother who a magician with a welder etc used a same size rod to push out the shifter rail and that way the detent ball and spring stayed in place. Reversed the operation to re-install the rail.

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Nothing is impossible if it is properly financed