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HD-6E

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=107250
Printed Date: 27 Jul 2025 at 7:31am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD-6E

Posted By: larslog
Subject: HD-6E
Date Posted: 07 Jun 2015 at 12:38am

Looked at a HD6E serial 11724 today.Very nice condition,as new undercarriage,no leaks,no dents,everything straight,angle blade with hyd.tilt.Guy used it as a farm cat in 60's-70's.Since then only used to plow snow in winter.What year would this be and what engine,AC or Buda?Also value.Will try to get a picture. Thanks

Replies:

Posted By: DiyDave
Date Posted: 07 Jun 2015 at 5:37am

production ended in 74, d-344 lanova type engine.

Posted By: Dozer
Date Posted: 07 Jun 2015 at 9:47am

1959 serial numbers 10054 to 12505 The HD344 motor was a buda type produced by Allis Chalmers. The motor change from the HD344 to the 6000 motor was at s/n 13322 You can identify the HD344 motor by the injectors position on the side of the cylinder head. The 6000 & 7000 motors have the injectors on the top of the head.

Posted By: Ages Cat
Date Posted: 08 Jun 2015 at 3:24pm

Make sure your clutches and brakes are functioning properly. A gentleman from Washington state who was an avid Caterpillar guy told me "in a lot of ways, the Allis Chalmers HD-6 was a better choice than the Caterpillar D-4". I went with his advice and bought (2) HD-6's, a B and an E. He was right.

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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,