Garden Tractors - Repowered 720 Oil light coming on

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Repowered 720 Oil light coming on

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Garden Tractors
Forum Description: A great place to discuss the Simplicity and Allis Chalmers Garden Models
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=163714
Printed Date: 22 Feb 2025 at 12:25am
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Topic: Repowered 720 Oil light coming on

Posted By: JW in MO
Subject: Repowered 720 Oil light coming on
Date Posted: 18 Aug 2019 at 10:11am

My 720 has been repowered with a Kohler, 20hp engine. After running for approximately 10 minutes or so the oil light comes on, don't hear any difference in the engine, if I shut it off and restart it, light goes out and will not come back on for another 5 to 10 minutes and the process can be repeated. How does the sending unit function on these engines, does it sense oil level or what?

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Replies:

Posted By: exSW
Date Posted: 18 Aug 2019 at 11:08am

Does your Kohler have an oil filter? That would indicate if it were splash lubed or full flow oiling. Either way I'd check for a loose wire on the sending unit or a bare spot on said wire.

Posted By: JW in MO
Date Posted: 18 Aug 2019 at 11:47am

It has an oil filter.

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Posted By: exSW
Date Posted: 18 Aug 2019 at 12:34pm

On my Magnum 18 the port for the oil sending unit is right above the filter.