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Implement Alley Discussion Forum

How to measure a plow bottom

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Steve in Idaho

09-20-2007 18:51:15




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I barrowed a John Deere 3 bottom plow from a neighbor to turn same tired hay ground. I have been told that you should set a plow for depth to 1/2 the plow bottom measurment. So you would set a plow with 16" bottoms to go in the ground 8" deep a plow with 14" bottoms to go in 7" deep. Is this correct? Neither of us could figure out what size bottoms this plow has. How do you deturmind this? Thanks Steve

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Dick L

09-21-2007 12:08:07




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 Re: How to measure a plow bottom in reply to Steve in Idaho, 09-20-2007 18:51:15  
As to depth of furrow. We have always plowed 10 /11 inches deep with what ever plow used. We used both 14" and 16" bottoms. However if you are plowing where it was not plowed more than 6/7 inches deep and you want to go deeper you should only pick up about 1/2" of the hard pan a year. You will have clods that will stay hard for years if you bring up much more than the 1/2" of hard pan. We called it that yeller stuff in our area. Our Oliver plows took a different point/share for the 14" than it did for the 16" bottoms. Rear bolt hole was in a different place. 14" was shorter to.
Dont know about other makes.

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Maark

09-21-2007 11:41:01




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 Re: How to measure a plow bottom in reply to Steve in Idaho, 09-20-2007 18:51:15  
measure from the outside of 1 beam to the inside of the next beam.



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JMS/MN

09-21-2007 14:46:50




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 Re: How to measure a plow bottom in reply to Maark, 09-21-2007 11:41:01  
No- you measure to the same point on each beam, whether left side, right side, or center. And it will be divisible by '2'.



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Earl - IL

09-21-2007 11:38:32




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 Re: How to measure a plow bottom in reply to Steve in Idaho, 09-20-2007 18:51:15  
Steve, Tip of share to the next landslide.Some plows have offset from beam to tip of frog mount. Typical 12-14 plow or 14- 16 plow adjustable .Earl In Illinois



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Larry in Mo

09-20-2007 19:19:28




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 Re: How to measure a plow bottom in reply to Steve in Idaho, 09-20-2007 18:51:15  
OR, you can measure from the outside of the landslide to the farthest point on the plowshare(end of cut). LE



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Leroy

09-21-2007 18:09:36




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 Re: How to measure a plow bottom in reply to Larry in Mo, 09-20-2007 19:19:28  
Your method will only work on a single bottom plow



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Gerald J.

09-20-2007 23:40:55




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 Re: How to measure a plow bottom in reply to Larry in Mo, 09-20-2007 19:19:28  
That won't work. Often the same share is used for 14, 16, and 18" bottoms. Just allowed to extend further into the previous furrow on the narrower bottoms. The only reliable measurement is the distance between the centers of the plow beams.

Gerald J.



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wait a minute!

09-21-2007 08:41:22




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 Re: How to measure a plow bottom in reply to Gerald J., 09-20-2007 23:40:55  
huh? Your last statement is exactly what Paul said !!!!!



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paul

09-20-2007 18:58:59




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 Re: How to measure a plow bottom in reply to Steve in Idaho, 09-20-2007 18:51:15  
Measure straight across, typically from one beam to the next, including one beam. Anyhow, perpendicular to travel. Do not measure the slant of the bottom.

--->Paul



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steve in in

09-21-2007 12:42:04




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 Re: How to measure a plow bottom in reply to paul, 09-20-2007 18:58:59  
third party image

Here is an illustration of a 14" share:



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El Toro

09-21-2007 14:24:11




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 Re: How to measure a plow bottom in reply to steve in in, 09-21-2007 12:42:04  
third party image

I have an 8-inch plow on my garden tractor and it measures exactly 8 inches as shown in your drawing. Hal



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mark

09-21-2007 16:32:25




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 Re: How to measure a plow bottom in reply to El Toro, 09-21-2007 14:24:11  
I have often heard guys saying they plowed 'down to the beams' and I have wondered how the hell they did that.

I have yanked a fair number of plows and they will only go so deep IF properly set up. That is typically half the width of the plow...or 8" for a 16" bottom. Besides that, I don't know why you'd want to bring up the subsoil anyway. A subsoiler is what is used to break the hardpan anyway. You don't want it on top in the first place.

A plow properly adjusted will pull easily, your tractor will track straight and the furrows will roll over evenly across the field. You aren't fighting the tractor all day long, and you can make some time across the field. When you fail to adjust the plow right, the tractor tracks like a sideways running dog..his a$$ trying to catch his nose and you're steering against the plow and riding the land side brake in an attempt to go straight. This is all wrong! And setting the points so they will dig deep lugs the tractor until black smoke rolls from the pipe all day and what have you accomplished...bragging rights?

Adjust the plow as it should be, let it do the work it was designed to do and your plowed ground will work up better, always look good and you won't be worn out from fighting the tractor all day long. Set the draft control properly and you won't be hanging the tractor every time you encounter a hard spot. It'll lift the plows for a second and drop them right back down without a whimper. I can hear my lift working all the time I plow...as it absorbs the different soil conditions. When I am done, you could almost set a level on the furrows across the field..no humps and valleys....just as even from one side to the next. It's not rocket science either.

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