Farm Equipment - Bull gears

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Bull gears

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=11042
Printed Date: 23 Jan 2025 at 6:55pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Bull gears

Posted By: jon p.
Subject: Bull gears
Date Posted: 14 Apr 2010 at 9:04am

So yesterday i was changing all the fluids in my D15 i just purchased and when i go to the bull sumps they had what looked like 90 dope maybe even 140 .I know the book calls for 20-w20 but my experience in off color tractors is they run a heavy weight in there bulls why so thin in allis and will the heavy weight hurt anything?

Replies:

Posted By: CTuckerNWIL
Date Posted: 14 Apr 2010 at 9:48am

I have never seen where it called for 20 w in the final drives. Most people run 80-90 gear lube in them. The 20w is something pretty much of the past and can be replaced by Hytran fluid but is used in hydraulics and transmissions.

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