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  1. #1
    Bronze Member
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    Feb 2012
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    67
    Tractor
    Kubota B7300

    Default Getting a field cultivator to go deeper

    Hi,
    I just picked up an old used 5 shank field cultivator similar to pictured below (Only $250!). I used it in the plowed area of my yard and it digs in DEEP, and did wonders. I've now tried to drag it across my field and it just doesn't go in very deep, only 3-4 inches at best. The field is overgrown with Alfalfa and seems to be very hard packed. Would weight help at all? I'm also thinking that the ground might have just been a little too dry, so I'm going to try it a day or two after this next storm.

    I'm using it, a subsoiler and a chain harrow to break up the surface, thin the alfalfa a bit, and then I'm going to broadcast spread a mix of seeds that have been recommended for goats (Alfalfa alone isn't good apparently).

    Thanks
    Dave K

  2. #2
    Super Member bp fick's Avatar
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    Aug 2009
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    5,576
    Location
    Beaver Creek, Northern Michigan
    Tractor
    Kubota BX2360

    Default Re: Getting a field cultivator to go deeper

    I have a similar unit. Love it for working the dirt.

    I cannot imagine, however, that it would have much ability to penetrate soil that hasn't first been ripped deep by either plow or chisel.
    BP


    "Some chickens, some gardens and a Kubota."

  3. #3
    Super Star Member brin's Avatar
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    Jul 2009
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    10,866
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    Georgia - Mt. Vernon by The Store just 5 miles east and right by the big oak tree then to the creek.

    Default Re: Getting a field cultivator to go deeper

    You might want to first go over the field with a bush hog to scalp the growth, then go over it with the subsoiler and finally add some heavy weight on top of the cultivator and you should have the result you are after.
    Bob

    WORRYING does not take away tomorrow's TROUBLES, it takes away today's PEACE.


    NH - TC-29 , FEL, Bush hog, Bush hog brand finishing mower, Post hole digger, 6' Back blade, sub-soiler, Pallet forks, 20KW PTO Generator , 21 hp Murray Mower
    JD -3020 with FEL and a 16 HP. K-Grow Lawn Tractor (bought from K Mart 1994) and runs great !
    Clark 130 EN Mig Welder

  4. #4
    Silver Member koamfps's Avatar
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    Jan 2012
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    185
    Location
    Michigan
    Tractor
    NH TN70DA & NH 2120

    Default Re: Getting a field cultivator to go deeper

    Not sure what region you are in but id hit that field with an herbicide and get a good burn down let the roots root a bit along with a good soaking rain you may get her to go. But as someone else has already mentioned. a good rippen with a chisel plow would do wonders.

  5. #5
    Super Member flusher's Avatar
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    Jun 2005
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    6,614
    Location
    Sacramento
    Tractor
    Sold the farm, sold the tractors, moved back to the city

    Default Re: Getting a field cultivator to go deeper

    With that little B7300, your best bet is your subsoiler/middlebuster. I used one of these with my kubota B7510HST when I put in my lawn a few years ago at my new house.

    Kubota-middle buster-1.JPG-kubota-middle-buster-2-jpg

    I rototilled to smooth out the plowed ground.

    -kubota-rototill-1-jpg


    Good luck

  6. #6
    Veteran Member
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    Apr 2012
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    1,925
    Location
    Northern Ontario, Canada
    Tractor
    2012 Kioti CK27HST w/cab

    Default Re: Getting a field cultivator to go deeper

    Quote Originally Posted by dkizerian View Post
    Hi,
    I just picked up an old used 5 shank field cultivator similar to pictured below (Only $250!). I used it in the plowed area of my yard and it digs in DEEP, and did wonders. I've now tried to drag it across my field and it just doesn't go in very deep, only 3-4 inches at best. The field is overgrown with Alfalfa and seems to be very hard packed. Would weight help at all? I'm also thinking that the ground might have just been a little too dry, so I'm going to try it a day or two after this next storm.

    I'm using it, a subsoiler and a chain harrow to break up the surface, thin the alfalfa a bit, and then I'm going to broadcast spread a mix of seeds that have been recommended for goats (Alfalfa alone isn't good apparently).

    Thanks
    Dave K
    If you've got a set of disks, disk it first then run the cultivator over it and you should achieve what you want.

  7. #7
    Super Star Member Egon's Avatar
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    Aug 2001
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    17,899
    Location
    Nova Scotia, Canada

    Default Re: Getting a field cultivator to go deeper

    Add weight and try that. If that does not work try to adjust the top linkage so that the tines have a more aggressive bite.

    You may have to remove some outside tines if it goes deeper.
    Egon
    50 years behind the times
    Livin in a
    Worn out skin bag filled with rattlin bones

  8. #8
    Veteran Member
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    Oct 2010
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    1,210
    Tractor
    NHtd75

    Default Re: Getting a field cultivator to go deeper

    Wait for the right moisture, add weight, remove 2 shanks, cultivate round D roundy once, cultivate on the bias twice in opposite directions, add those 2 shanks back and cultivate until you're happy.

    Or bale the alfalfa. Considered one of the best goat hays there is.

  9. #9
    Super Member Gary Fowler's Avatar
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    Jun 2008
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    8,060
    Location
    Bismarck Arkansas
    Tractor
    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: Getting a field cultivator to go deeper

    That looks to me like what we called a chisel plow in Louisiana rather than a field cultivatorand they usually have no trouble digging in. Check your draft control. A chisel plow requires about 10 hp per shank to pull when you are up to center of the curve and in hardpan soil. It should be flat when it lowers so all tines are digging in at the same depth. Try adjusting the top link in or out and see how that works. You may have to go a bit slower also. All the chisel plows I ever used also had gauge wheels on them to keep them from going TOO deep as they pretty much dug in till either the hydraulics stopped them or the gauge wheels held them up our the tractor stalled.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  10. #10
    Bronze Member
    Join Date
    Feb 2012
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    67
    Tractor
    Kubota B7300

    Default Re: Getting a field cultivator to go deeper

    Thanks everyone for the advice!

    I'm expecting to need to take 2-3 of the shanks off once it really starts to dig in.

    I dug a few test holes in my ground last night, and it is dry and very well compacted for 6-10 inches along the top. I'm going to get the subsoiler out and see if I can break it up tonight in it's dry state, if not, we're expecting rain tomorrow-saturday, so sunday or mornday the ground should be a little more damp and receptive.

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