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h3 serial number

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=114873
Printed Date: 24 Jul 2025 at 1:07pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: h3 serial number
Posted By: kweeber
Subject: h3 serial number
Date Posted: 18 Nov 2015 at 6:10pm
Hello everyone I have question and was wondering if anybody out there knows the answer. I bought a allis h3 dozer about 6 weeks ago and a freind of mine who is all about orange told me the last gas h3 had a serial number of 9699, that being said mine is 9766 it is stamped h3 before it which designates it as gas. I am assuming it was one of the last ones built in 1967, but can any point me in the right direction to find out how the serial number could be higher than my freinds book says. Any help would be great. Thanks, Kevin



Replies:
Posted By: OldSchoolRecovery
Date Posted: 18 Nov 2015 at 10:56pm
My book says gas 1001-9700. diesel 1001-9949. 

TractorData say last gas was 9483.

Yesterdays tractors says last 9700 both gas and diesel.

In the parts manual, I see a part for gas motor listed for serial number 6959 up.  Cant believe they would make a change for the last 41 gas dozers..

?

cb1


Posted By: kweeber
Date Posted: 19 Nov 2015 at 11:09am
I wouldn't think so either unless in 1968 when they supposedly only were making hd3's and had a few left gas engines from the end of the d15 production and dropped them in the crawlers to get rid of them, but how do I find out. Still looking for an answer.



Posted By: Ages Cat
Date Posted: 19 Nov 2015 at 5:01pm
I own HD3-9771 , so yesterdays tractors is wrong.

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Curt Anderson
HD3, HD5B, HD6AG,HD6B dozer, I-400,615, 616,620,720,ACP25 lift truck, 1956 D Grader, AC 540 loader, AC #84 plow, Simplicity tractors, Agco MT225, Agco 2025,



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