final drive breather caps
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=145080
Printed Date: 20 Aug 2025 at 9:51pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: final drive breather caps
Posted By: jerbob
Subject: final drive breather caps
Date Posted: 04 Dec 2017 at 10:31am
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Howdy friends. A quick question regarding my HD16DC. I took the access plate off the back of the dozer where you can expose and clean the final drive and brake breather units. On my tractor there is a 1/4" copper line with brass not nuts and a ferrel on each end connecting the left side breather to a valve cluster next to it. guessing its a steering valve. One on each side. this line has a broken nut,.,,, I broke it, and wondering if this is just a passive breathing line or is it under any kind of pressure. Asking as I would rather replace with a flexible reinforced line of equal size. Will send pic later today. Thank you |
Replies:
Posted By: DMiller
Date Posted: 04 Dec 2017 at 10:51am
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My 7G has them directly on the brake actuator housings, may want to scan through the parts book at Minnpar to see what they show. Thwas the rear of the donor, they sit one to either side off angle. 
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Posted By: jerbob
Date Posted: 04 Dec 2017 at 11:33am
| Yup,,, mine too. Are they under pressure when tractor is in use? Just curious. In the manual they do not refer to them. |