Disc Chisel

I have a 1981 John Deere 4440 with 7200 hours, no front weights and no fluid in tires. Will this tractor pull a 7 shank disc chisel plow? I do have duals for it. Or would a 5 shank be best for it? Thank you.
 
130 hp tractor.

I pull a 7 shank Glencoe soil saver with a 2wd bias tire 145 hp tractor. I?n my heaven southern MN soils. I have duals. It is a great match pull all day long. Run out of traction when it?s too wet or lightly frosted over. Hp is good match. In a nice fall I did run once without the duals and that was fine that year, you know how traction depends upon the year conditions.....

I think you would be ok, but you are getting near the edge on heavy soils, in a tough year you might be working a little hard. If you have light soils probably pull it easy.

Paul
 
Wow, spell check has taken over, sorry about the spelling there! On my iPad the text editor we type into is very very tiny text, so I am not always good at rereading what comes out.

In my heavy southern MN soils, we often need a smaller tillage tool than others, it pulls hard. I don?t know your dirt? If I can pull 7 shank with 145 hp, you likely will do ok with 130 hp.


I just got a front wheel assist 210 hp tractor, and I struggled with what size I could pull again myself. It pulled a 9 shank real easy, i found a well worn cheap one just before fall. I wonder if I should look for a good 11 shank, or be happy with the 9 shank and rebuild it.

Paul
 
We have a Potato cultivator that is 7 regular John Deere shanks and 7 true depth shanks and if you sock it in the ground as far as it will go will stop a 250 horsepower track tractor
 
It will be fine. We pulled a 7 with the 4320 for years. Sometimes you had to gear down in heavy clay. I pull a 11 behind a 4840 and it handles it great.
 
Interesting. I pull a 9 shank with a CaseIH Magnum, 7240 MFWD. Four 20.8x42 tires. Tractor weighted to about #26000. I have no idea how much HP it has. At about 750' MSL, a couple miles east of, and sloping to Cayuga Lake, I have about enough topsoil to work. Under that can vary from some wet sandy spots, to mostly hard bluish clay, full of limestone rocks. "Glacial till". A little depth change on the chisel plow makes a world of difference. Drop it right down, and it can stop most anything. A few miles east, up slope, top soil can be measured in feet instead of inches!
 
My topsoil is 10 to 48 inches deep, peat type muck or high clay with an averag 4% organic matter. Under that is 120-130 feet of yellow and blue clay, all glacial til. Below that is thin layer of original top soil and then about 250-300 feet of fine sandy subsoil with little gravel pockets.

Finding water is easy here just dig 200 feet. Finding a gravel pocket to filter the water out of the sugar sand is a challenge.....

The glaciers did us a lot of favors, but it?s still challenging to make this stuff productive.

Paul
 
Do not buy a 5 shank. They have a major flaw in that they like to bounce side to side. The bounce becomes a jerk and the only way to stop is to almost stop the tractor. I had a Landoll and the neighbor had a Glenco that both did the same thing. Tom
 

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