Garden Tractors - 720 Allis with a 24 horse onan transplant wiring

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720 Allis with a 24 horse onan transplant wiring

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=164496
Printed Date: 22 Feb 2025 at 1:06am
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Topic: 720 Allis with a 24 horse onan transplant wiring

Posted By: Grampas
Subject: 720 Allis with a 24 horse onan transplant wiring
Date Posted: 21 Sep 2019 at 9:39am

Hi friends
Working on a 720 allis
Or a simplicity 4040
Has an onan 24sxl engine transplant
I’ve been asked to wire it all up for my friend really could use some pointers
Any help I’d sure be thankful for

Replies:

Posted By: Dusty MI
Date Posted: 21 Sep 2019 at 6:34pm

I've got a 720 with a Briggs trans plant. I didn't do the trans plant but have rather extensive manuals for it. Not sure what you need.

Dusty

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917 H, '48 G, '65 D-10 series III "Allis Express"

Posted By: Steve in NJ
Date Posted: 02 Oct 2019 at 7:31am

I would see if you can find a wiring diagram on that sxi engine, and then hook yourself up with a wiring diagram on the 720, and you'll have to mate the 720's harness to it. Shouldn't be to tough. The problem with the 620/720 harnesses down in the engine compartment is they're usually cooked from the heat and age. If you need sections of the 720 harness in the engine bay, I offer service replacement sections to replace the BBQ'd area's if needed....

Steve@B&B

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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife