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HD5G Thermostat

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=208631
Printed Date: 23 Oct 2025 at 1:03am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: HD5G Thermostat
Posted By: Les Kerf
Subject: HD5G Thermostat
Date Posted: 22 Oct 2025 at 8:47am
The Detroit Diesel 2-71 in my Son-in-law's HD5G trackloader doesn't appear to have a thermostat ; I suspected this, but since I installed a new temperature gauge and SIL worked it hard enough that it should have been thoroughly warmed up, the gauge barely moves off the peg. It is nice to know that the cooling system isn't plugged up, but now we would like to get it to warm up properly.

What temperature rating would be best for this machine? We plan to do some digging and loading pit-run gravel as weather permits through the winter; the actual process will be to warm up the machine, load two small dump trucks, shut down and haul the gravel ~1/4 mile away, spread the gravel with another machine, come back, re-start the loader, repeat, etc.

Are there any "Gotcha's" that I should be aware of  before opening the system?

Thanks in advance Smile



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