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Fluid for a HD 21-P

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=197511
Printed Date: 25 Sep 2024 at 1:22am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: Fluid for a HD 21-P
Posted By: Justin_WV_
Subject: Fluid for a HD 21-P
Date Posted: 03 Oct 2023 at 7:45pm
Getting ready to move a HD 21-P, 70's approximately. Beside the seat on the right hand side is a breather and dip stick, the dip stick says bevel gear. The chart I have tells me it is the brake and steering system 32 gallon of transmission fluid. Any recommendations on the type of fluids, do's or don't. There is so many types... 



Replies:
Posted By: Codger
Date Posted: 03 Oct 2023 at 9:11pm
Tractor supply "universal" transmission fluid will work fine.

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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.


Posted By: Jim.ME
Date Posted: 04 Oct 2023 at 5:53am
For TSC use their Premium UTHF.  Mobil Delvac Tractor Hydraulic Fluid (replaced Mobilfluid 424) is another.


Posted By: Codger
Date Posted: 04 Oct 2023 at 8:58am
This works well in my 11B tractor:

https://www.tractorsupply.com/tsc/product/traveller-premium-tractor-hydraulic-fluid-5-gal-t806391" rel="nofollow - https://www.tractorsupply.com/tsc/product/traveller-premium-tractor-hydraulic-fluid-5-gal-t806391


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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.


Posted By: Justin_WV_
Date Posted: 05 Oct 2023 at 7:03pm
Thank you for the input!


Posted By: Codger
Date Posted: 05 Oct 2023 at 7:33pm
We talked about this earlier in the year. Have you not moved, or worked with it yet? 

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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.


Posted By: Justin_WV_
Date Posted: 05 Oct 2023 at 7:49pm
The previous owner became a bit difficult after I showed interest, and we had made a partial deal. So I walked away and said heck with it. He finally came around. The plan is to move it this Saturday! Pretty exciting! 


Posted By: Codger
Date Posted: 05 Oct 2023 at 9:36pm
Man I've had that problem in the past myself. Think they have gold when someone shows interest. Glad it's worked out.

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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.



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