Farm Equipment - 8070 rear main seal leak

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8070 rear main seal leak

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=105195
Printed Date: 04 Nov 2025 at 1:39am
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Topic: 8070 rear main seal leak

Posted By: N6PETE
Subject: 8070 rear main seal leak
Date Posted: 23 Apr 2015 at 8:16pm

My rear main is leaking on my 8070, I am getting a small oil drip of motor oil out the hole in the bell housing. The strange thing is the drip gets worse after I shut the motor off. I am not losing that much oil, it makes more of a mess than anything. Questions Why does it leak more after the motor is off? Oil pressure? Also, do you have to split the tractor to replace that seal?

Thanks

Replies:

Posted By: MACK
Date Posted: 23 Apr 2015 at 9:55pm

Flywheel is sturing oil running, then it runs down when shut off. Yes it has to be split to replace. MACK