Fluids for Allis 170
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=207999
Printed Date: 31 Aug 2025 at 8:28pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Fluids for Allis 170
Posted By: PeteMN
Subject: Fluids for Allis 170
Date Posted: 30 Aug 2025 at 12:12pm
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What type of lubes are used in the transmission and final drives on the 170? Operator manual says use a special lube from the dealer. I put a premium 821 equivalent hyd oil in the hydraulics and in the transmission for now. I'd like to drain the final drives, but not sure what to put back in.
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Replies:
Posted By: DrAllis
Date Posted: 30 Aug 2025 at 4:36pm
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Transmission and hydraulics is 821 or 821XL or any modern day trans/hydraulic fluid. You could use the same oil in your final drives if you want to. I still stick with 80/90 wt gear oil in the final drives trying to have less chance of axle seal leaks on 50 year old axle seals.
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Posted By: PeteMN
Date Posted: 31 Aug 2025 at 12:02am
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Thanks, that was the direction I was leaning -- gear lube for final drives. The tractor had a stuck brake which is why the owner sold it. The brake popped loose when I loaded it but I'm guessing we'll have to work on the brakes at some point. I removed a lot of debris from the brake chambers, lubed up the brake pivot linkages and everything seems to function like it should. A couple small items to do and I can give it a test drive.
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