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HD6G

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=157028
Printed Date: 21 Aug 2025 at 11:31am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD6G

Posted By: NomoreJohnDeere
Subject: HD6G
Date Posted: 08 Jan 2019 at 6:26am

Hello Loaders

What seals would fail to cause diesel to get into oil?

thanks for the help

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HD3

Replies:

Posted By: allisorange
Date Posted: 08 Jan 2019 at 8:38am

If it was a 180 or 190 it would be the seals on the diesel pump

on the shaft going into where the timing gears are that drive the

pump.

John Carlson

Posted By: HD6 Merv
Date Posted: 08 Jan 2019 at 12:21pm

usual problem is the lip type seal on the drive shaft gear on the fuel transfer pump on side of the main fuel injection pump.

Is a lip type seal part #4231 avaiable from SKF or any other bearing/seal supplier.

IF you still have a problem after fixing transfer pump the problem is 3, O rings in the hydraulic head.

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tits tyres and tracks

they all cost you money