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AC C

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=201007
Printed Date: 01 Dec 2024 at 4:32am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: AC C

Posted By: Shane1304
Subject: AC C
Date Posted: 22 Apr 2024 at 11:45am

What is the correct fluid for the transmission and differential's for the AC C? Do they share the same fluid? Is this the same type of fluid for the final drives as well?

Shane

Replies:

Posted By: steve(ill)
Date Posted: 22 Apr 2024 at 12:43pm

There are 3 of 1/2 inch pipe plugs under the transmission - differential - pto housing.. YES, you fill thru ONE SPOT which is a 1 inch pipe plug by your foot on the side of the transmission.. Originally they used a 20wt oil... Today , most people use a hydraulic - trans fluid or UTF or ISO 46 hydrauilic oil... Really no difference.. It takes about 8 quarts and you can get a 2.5 gallon jug at Wal Mart or a 5 gallon bucket at the local Farm Store.

Final drive is the PAN under the drop axle, tucked up inside the wheel rim... you have to take the pan off to clean, then refill thru the 3/8 pipe plug on the pan.. About 1 quart each side.. Most people use 80-90 gear lube... Some have tried the UTF in this locatioin..

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Like them all, but love the "B"s.

Posted By: Shane1304
Date Posted: 22 Apr 2024 at 1:25pm

Thank you so much for the information! Have you ever heard of anyone utilizing additional friction modifiers in the differentials such as those used in modern vehicle differentials? Or is this even necessary?

Posted By: steve(ill)
Date Posted: 22 Apr 2024 at 1:29pm

not necessary... Tractor was designed in 1937 and is as BASIC as BASIC can get... Considering the oil and greases back then looked like liquid tar, .. ANYTHING you put in today would be GREAT.... You might find the trans/ hydraulic has some water and is a milky color.. You will find the final drive pans are full of a gummy / gooey/ crap... No addatives, just BASIC good oil.

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Like them all, but love the "B"s.

Posted By: Shane1304
Date Posted: 22 Apr 2024 at 1:31pm

Thank you!