Farm Equipment - D19 Diesel Fuel Pump/Engine sn mismatch

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D19 Diesel Fuel Pump/Engine sn mismatch

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=18260
Printed Date: 06 Feb 2025 at 7:04pm
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Topic: D19 Diesel Fuel Pump/Engine sn mismatch

Posted By: FlyingDFarm
Subject: D19 Diesel Fuel Pump/Engine sn mismatch
Date Posted: 14 Sep 2010 at 8:02pm

I have a D19 Turbo Diesel and noticed that the engine sn was prior to 121791. According to the manual the corresponding pump is a 4513709 with timing at 16 BTDC. The pump on my D19 is a 4514756 (for eng # after D-03150 and set at 20 BTDC). Is this a problem? Just had the pump rebuilt as well as the injectors when I noticed it. I'm a novice when it comes to diesel engines.

Replies:

Posted By: Brian Jasper co. Ia
Date Posted: 15 Sep 2010 at 12:12pm

DrAllis is the guy to ask. On the D17D they changed pumps to, if I remember correctly, one that has some automatic timing advance to make it run a bit cleaner.

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