Farm Equipment - 5040 crankcase breather

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5040 crankcase breather

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=140152
Printed Date: 08 Oct 2025 at 7:42am
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Topic: 5040 crankcase breather

Posted By: ldogfarm
Subject: 5040 crankcase breather
Date Posted: 06 Jul 2017 at 5:06am

I have a 5040 that puts out a lot of vapor from the crankcase breather.
The oil looks good and it does not show any evidence of water. The water level stays full in the cooling system. The excessive vapor just started recently. Any thoughts on what the problem is would be appreciated.
Thanks

Replies:

Posted By: DougS
Date Posted: 06 Jul 2017 at 5:56am

Blowby. The rings are wearing.