Construction and other equipment - allis chalmers 7g transmission oil type

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allis chalmers 7g transmission oil type

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=207798
Printed Date: 16 Aug 2025 at 4:57pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: allis chalmers 7g transmission oil type

Posted By: martimus
Subject: allis chalmers 7g transmission oil type
Date Posted: 14 Aug 2025 at 3:25pm

i need to change the torque coverter, transmission clutches oil. allis chalmers track loader 7G. the factory says transmission fluid type c-1 or api ms, we have been using hydraulic oil, that is what the man i bought it from was using i do not use this loader very much but would like to get the correct fluid installed. so confused as to what we need. most oils and hydraulic fluid does not have any type or api listed on the labels. any body got any idea what i shoud use

Replies:

Posted By: gemdozer
Date Posted: 14 Aug 2025 at 4:18pm

You can use SAE OIL

Posted By: Adrian
Date Posted: 15 Aug 2025 at 5:57pm

If C1 fluid is specified SAE 10W gear oil is the alternative as per Allis Chalmers specification.

Posted By: gemdozer
Date Posted: 15 Aug 2025 at 8:16pm

GEAR OIL IS NO GOD FOR hd7g transmission

Posted By: Ray54
Date Posted: 16 Aug 2025 at 1:10pm

Your saying hydraulic fluid, I hope your meaning transmission/hydraulic fluid. A better grade of oil for a transmission than the cheapest of the cheap just for hydraulics fluid.