Farm Equipment - D17 series IV pulling a model# 73 Plow

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D17 series IV pulling a model# 73 Plow

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=170865
Printed Date: 12 Oct 2025 at 8:24pm
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Topic: D17 series IV pulling a model# 73 Plow

Posted By: Kaptain Kill
Subject: D17 series IV pulling a model# 73 Plow
Date Posted: 06 May 2020 at 12:48pm

I am going to mount an Allis Chalmers model 73 snap coupler plow on my D17 Series IV tractor. The plow has 3 - 16" bottoms. How do I calculate how wide to set the tires?

Replies:

Posted By: IBWD MIke
Date Posted: 06 May 2020 at 1:08pm

The book I have says 27" from c/l of tractor to the inside of the tire.

Posted By: DrAllis
Date Posted: 06 May 2020 at 2:09pm

So, while you have your book out, what is it for a 4 x 14's or 4 x 16's 70 series plow on a D-17 ??

Posted By: JC-WI
Date Posted: 07 May 2020 at 12:04am

all the way out.

Well, that was what we had set our 17 diesel when pulling the 4-14 semi-mounted plow.

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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: IBWD MIke
Date Posted: 07 May 2020 at 8:06am

DrAllis wrote:

So, while you have your book out, what is it for a 4 x 14's or 4 x 16's 70 series plow on a D-17 ??

The book I have is specific to the three bottom plow. Looked around here and can't find one for a four bottom. My guess is that the measurement would increase by 8 inches, so 35" from c/l to inside of tire would be a good starting point.Maybe someone that has a manual will chime in?

Not sure what the measurement would be for all the way out but JC could be right that is the setting.

Posted By: SteveM C/IL
Date Posted: 07 May 2020 at 8:26am

I remember 4-16's behind the 45 required all the way out. Only needed 1 set of stops...

Posted By: DrAllis
Date Posted: 08 May 2020 at 6:37pm

All the way out is what it looks like in pictures in advertising literature. Just wanted to confirm. Thanks.