Construction and other equipment

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HD16A

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=207768
Printed Date: 14 Aug 2025 at 11:26pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: HD16A

Posted By: conoco
Subject: HD16A
Date Posted: 12 Aug 2025 at 6:43pm

Recently got my dads hd16a running from sitting 20 years. Went thru coolant system, replaced pipes, hoses, cleaned out complete coolant system i even had radiator core made. I replaced all filters and engine oil. The dozer starts up and idles like a champ. I am looking for thermostats for it and cant find any (part #74378269). Does anyone carry parts for an HD16A?

Replies:

Posted By: Adrian
Date Posted: 12 Aug 2025 at 8:04pm

If you have the thermostat and can find a number on it use that. If you can also find a manufacture that helps more, that's how I found one for my HD6.

Posted By: conoco
Date Posted: 12 Aug 2025 at 8:30pm

the dozer takes 2 thermostats. It only had one installed. The thermostat says it was manufactured by Vernatherm Valve. It has some numbers on it but cant find anything in the web.

Posted By: ecosse23
Date Posted: 14 Aug 2025 at 1:34pm

Don't know whether this is perhaps what you're looking for -

https://www.ebay.com/itm/276813360734" rel="nofollow - https://www.ebay.com/itm/276813360734

The seller describes it as "Thermostat 4cyl. diesel Allis Chalmers HD-6ED pn#74378269". So it appears like the right part number, but perhaps for the wrong crawler tractor?