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Plow Dimensions Questions (Sears Specific)


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#1 robert_p43 OFFLINE  

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Posted May 29, 2013 - 07:06 AM

You may remember the plow that I picked up to transform into one that I could use with the Suburban 3 point hitch.

newplow02.JPG

I finally have the extra things removed to do the conversion and have questions.

I know that the long hitch pin that goes through the beam is angled so that when you are plowing, the plow beam is plumb. (One side higher than the other)  Does anyone know what the angle is?

Also, the beam is not centered on this draw pin either.  It is to the right of center, I am assuming so that the plow in in the correct relationship to the tractor tire so you don't end up with unplowed strips with each pass.  What would these dimensions be?  Is it different on a 8" plow than it is on a 10" plow or a 12" plow?  My brain is telling me that it should be.



#2 KennyP ONLINE  

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Posted May 29, 2013 - 07:14 AM

I have an 8" Sears 3-point plow, but may be a bit before I can get you those measurements.


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#3 MH81 ONLINE  

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Posted May 29, 2013 - 07:22 AM

I should be able to get you angles, pics and measurements by the end of the week. (If I don't get they Friday, jog my memory)
The measurements are different on the diff sizes, what do you have?


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#4 robert_p43 OFFLINE  

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Posted May 29, 2013 - 07:54 AM

It is a Brinley 8". And I am not in a big hurry, 


Edited by robert_p43, May 29, 2013 - 07:55 AM.


#5 MH81 ONLINE  

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Posted May 29, 2013 - 07:55 PM

Ok, I put the 8" and the 10" Sears side by side and took some measurements

image.jpg

This group is the 10"
image.jpg image.jpg image.jpg image.jpg image.jpg image.jpg image.jpg
This shows the main beam at 90* and the tilt of the attachment bar at 10*
image.jpg image.jpg

This is the 8"
image.jpg image.jpg image.jpg image.jpg image.jpg

Now this is the weird one.
There is a little offset on the attachment bar beyond the 10* mentioned above.
On the 8", there is a .25" gap over 6.75"
image.jpg
On the 10", there is a .188 over the same 6.75" (difference of 1/16")
image.jpg
May be a manufacturing difference, one may be a Monday unit, IDK.

Hope this helps, let me know if you have Q's
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#6 robert_p43 OFFLINE  

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Posted May 30, 2013 - 09:44 AM

That's great!  I was going to copy the 10" plow that I had borrowed to do my garden, but my mind kept telling me that the 8" plow would have to be closer to the right side of the attachment bar/pin to plow correctly.  There it is, proof is in the pictures. It looks like the hitch bracket is the same as the one that I measured.

I need to make a hitch bracket (have one made) with the holes further apart to match the thing that holds the coulter wheel to the beam, so I set a framing square on top of the beam to get the location of the top hole where the center link hooks.   I needed to find the relationship with that hole to the attachment bar.  It is 2/78 center to center forward of the attachment bar, and 10 15/16 up, also center to center.

The coulter wheel doesnt turn yet, I have been working on that and may have to resort to heat.  It is mountet on a bar that you can raise and lower and also turns to change the side to side/and forward/backward position.  I have yet to get that to move either.

Thank you for again, going above and beyond for folks here.


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