Farm Equipment - Allis Chalmers U Water Temp. Gauge

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Allis Chalmers U Water Temp. Gauge

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=133544
Printed Date: 13 Oct 2025 at 10:36am
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Topic: Allis Chalmers U Water Temp. Gauge

Posted By: 51ACWD
Subject: Allis Chalmers U Water Temp. Gauge
Date Posted: 08 Jan 2017 at 7:09pm

Was wondering at what year/serial # that AC added the water temp gauge to the U's? I'm curious because this determines what hood that I'll have, and I'm on the search for a correct one.

Replies:

Posted By: ctbowles 58
Date Posted: 08 Jan 2017 at 7:45pm

I had a 1935 U and it didn't have one.

Posted By: 51ACWD
Date Posted: 08 Jan 2017 at 7:50pm

I have a 1936 serial #12343 myself

Posted By: MNLonnie
Date Posted: 08 Jan 2017 at 7:51pm

According to the parts book it sounds like it was "available as an option" on all UM engines which would be late 1932 tractor #7405 and up but not sure if that's right or not?

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Waukesha B, B, IB, G, styled WF, D15, 615 backhoe, 2-Oliver OC3's, 4 Ford Model T's, 3 Model A Fords, AV8 Coupe, AV8 Roadster, 1933 Ford Wrecker

Posted By: Leesok
Date Posted: 08 Jan 2017 at 8:42pm

Looking at hoods in parts book it list a hood made for U's only with serial # 12001 up to 13007. It will have sides on it, but I do not know about temp gauge hole.

Posted By: SteveM C/IL
Date Posted: 08 Jan 2017 at 9:13pm

Before I knew "original" mattered,I torched a hole in the rear tank support on my UC and installed a generic capillary tube guage.Probe goes through a bracket installed in upper rad hose.