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HD-4 refusing to start...

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=211292
Printed Date: 17 Sep 2026 at 5:23pm
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Topic: HD-4 refusing to start...
Posted By: lightmedic
Subject: HD-4 refusing to start...
Date Posted: 06 Jun 2026 at 6:55pm
It was literally running along and just stopped. Will not restart, new fuel, it's getting to the filter fine. Diesel. Anybody run into this? Turns over, I fear I may have lost the high pressure pump.


Replies:
Posted By: DrAllis
Date Posted: 06 Jun 2026 at 8:52pm
Electric shut-off??  or push/pull knob to start/stop engine ??

Posted By: Tracy Martin TN
Date Posted: 06 Jun 2026 at 10:07pm
Does it have a decellerator pedal or accelerator pedal on it. Will it pop on starting fluid? Have you cracked a line at injector to see if you have fuel an or prssure? Thanks, Tracy.

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