Farm Equipment - 170 ALLIS temp gauge

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170 ALLIS 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=187705
Printed Date: 23 Sep 2025 at 3:17pm
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Topic: 170 ALLIS temp gauge

Posted By: andrewj
Subject: 170 ALLIS temp gauge
Date Posted: 15 Apr 2022 at 9:08pm

So i have a new temp gauge , sender and thermostat all from AGCO...the gauge is reading all the way to the end of the red on the new gauge..12 volt supply.

Does anyone know what ohms range the sender should be?

I put a temp gun on the thermostat and its 180 F ..my NEW gauge reads way to high for the temp its at..and ideas would be helpful..thanks

Replies:

Posted By: AC720Man
Date Posted: 15 Apr 2022 at 9:23pm

Not sure what the ohms reading should be but I think you may not have a good ground between the 2. That was my issue on my XT

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1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD

Posted By: JC-WI
Date Posted: 15 Apr 2022 at 10:16pm

make sure the tank and the gauge are grounded good.

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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."

Posted By: Fred in Pa
Date Posted: 16 Apr 2022 at 6:28am

old gauge has 2 post .new gauge has 3 post 3rd post is for a ground wire witch you can run to gauge panel .Then your new gauge will stabilize .

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He who dies with the most toys is,
nonetheless ,still dead.
If all else fails ,Read all that is PRINTED.

Posted By: DrAllis
Date Posted: 16 Apr 2022 at 6:38am

What Fred said. You need a third (ground ) wire to the gauge.