Go BottomDisc size for 4100
 | Harry Webster
Join Date: Posts: 1 
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2000-03-21 13997
Another Newbie question: What size disc can a JD 4100 pull? I have about three formally wooded acres that has just been bull dozed to remove the trees and stumps. Whats left is a mixture of dirt and the original underbrush. I want to prepare the ground to plant grass to convert to a pasture area. Is a disc the way to go, or would it be better to use a box scraper with the scarifiers down first? Any and all suggestions greatly appreciated!HarryW
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| Jim Youtz
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2000-03-21 14035
Seems like a disc wouldn't really do what you want. I would try a rake to windrow roots and brush, then a scarifier or box scraper(4') with scarifiers. Follow with a rake again, then seed, then harrow. Or if you want a finish lawn and the ground isn't too difficult, then try a rototiller before seeding. ....
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 | Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada 
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2000-03-22 14042
Harry, with a situation like you describe an implement like a York rake or a set of discs will be next to useless, the bulldozer will have only ripped out the stumps, the smaller roots will still be VERY well fixed in place, the rake will never remove them, and the discs will not cut them either. Level the ground to the desired point with a pulverizer or box-blade with scarifier teeth, burying them as much as possible, then seed it. If you are only making it into pasture land leave the smaller roots behind, they will compost in a few years, regular tending of the pasture will improve it over the years. Best of luck. ....
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| Harry Webster
Join Date: Posts: 1
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2000-03-22 14048
Thanks Murf, I kind of expected as much. I am very familiar with a box blade, but haven't a clue what a pulverizer is????
HarryW ....
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| Jim Youtz
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2000-03-22 14073
Harry, I didn't mean to suggest that you could rip out roots with a rake, just to collect any loose material left over after dozer piling. You can then use the box blade to smooth over the stumpholes and remove some of the smaller roots. But like Murf said, most of the roots will just have to decay. ....
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| Nuclear_Weapon7
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2000-03-23 14078
I had faced a similar situation but it was not wooded enough to neccisitate using a bulldozer, a Belarus tractor with a mould bold plow and front balde took care of the brush stumps. ....
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| Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada
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2000-03-24 14115
Harry, a "pulverizer" is basically a large (usually 10+ lbs./foot) 'I' beam with steel teeth projecting down about 4" and usually behind that a spiked roller on a spring loaded arm (which forces the roller down against the ground to break up the suface further). It basically works like a rear blade with the added bonus that the teeth will break up hard ground (or in your case maybe rip out a few more roots). Hope this helps, best of luck. ....
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| Harry Webster
Join Date: Posts: 1
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2000-03-24 14117
Thanks for all the input! The future pasture looks a little bit like a mine field, which after the recent six inches of rain now looks like cranberry bog. I guess I will give it go with a box scaper once the water drains off.
HarryW ....
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| John Talbert
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2000-03-25 14166
I bought a pulverizer with double rollers but have discovered some shortcomings in its use. If the ground has any plant debrie in it, (mine was a bean field from last year) the plant material balls up and just drags atop the ground, interfering with the ability of the teeth to scrape the ground. When the teeth do work, they only scrape a few inches of the surface. I decided that I would need to disc the ground first, so I found a 40 year old 6 foot disc to use first. After first discing, I will use the pulverizer to finish with. When the conditions are right, the pulverizer does leave a real nice finish for seeding a lawn. ....
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