Garden Tractors - 720 Allis Chalmers

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720 Allis Chalmers

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=157398
Printed Date: 22 Feb 2025 at 4:27pm
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Topic: 720 Allis Chalmers

Posted By: Mike K
Subject: 720 Allis Chalmers
Date Posted: 19 Jan 2019 at 11:55am

I am about to change fluid in my 720. I need to locate the drain plug for the hdy. I have the filter. How much fluid do I need to have to replace it with, and the correct type

Thanks Mike

Replies:

Posted By: Acdiesel
Date Posted: 19 Jan 2019 at 2:15pm

remove the bottom cover off the tractor (i think 8 bolts ) (if its still there)

at the front bottom of the trans. you'll see a steel tube with a rubber hoes on it, you can remove the hose and unthread the fitting the stand pipe is about 4 inches long when you take it out. you can also remove the trans. temp. sender to help drain, you can jack the back of the tractor up to help in draining.

fluid is: ATF dexron

about 6 qts.

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D19 Diesel,D17 Diesel SER.3
2-D14, 2-D15 SER.II WF/NF
D15 SER.2 DIESEL
D12 SER.I, D10 Ser.II
2-720'S D21 Ser. II

Gmc,caterpillar
I'm a pharmacist (farm assist) with a PHD (post hole digger)