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  1. #1
    Gold Member OrangeToys's Avatar
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    Missouri
    Tractor
    2011 Kubota MX5100

    Default What size plow

    About to buy a used turn plow for my kubota MX5100 HST R4s but I want to make sure I don't get to big. What size do you all think I should go for? I don't know anything about them other than the 1,2,3 bottom. What's the 12-16" and how does it affect a plow?
    I like to push buttons that I dont know what they do to find out. Theres some I wont push anymore

  2. #2
    Platinum Member Reyer Farms's Avatar
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    Sep 2012
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    Location
    Lena, ms
    Tractor
    Mahindra 5010

    Default

    I run a two bottom with 14" mold boards with my 5010 Mahindra. It is a pretty good pull in new ground, but great when I can plow when conditions are favorable or in previously worked soil. Tractor gearing and proper set up are important to easy straight plowing.

  3. #3
    Elite Member
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    Location
    NE USA
    Tractor
    JD LA115, WH 244, WH 525 hydro-pops,Original Troy Built Horse 8 HP

    Default Re: What size plow

    Quote Originally Posted by OrangeToys View Post
    About to buy a used turn plow for my kubota MX5100 HST R4s but I want to make sure I don't get to big.
    What size do you all think I should go for? I don't know anything about them other than the 1,2,3 bottom.
    What's the 12-16" and how does it affect a plow?

    A single 12 inch plow with a disc or fluted coulter will be your best friend.

    Plowing in the fall when everything is still dry is your friend

    Plowing and harrowing a week before planting in June is your friend


    NOW;


    The terms you need to understand are:

    For the tractor are;
    adjustable Top link
    Lower left link
    Non Adjustble lower right link
    Adjustable lower right link


    For the plow they are :

    Furrow
    Dead furrow
    On land plow
    In furrow plow
    two way or Rollover plow
    Mechanical right furrow rotary plow
    MechanIcaL left and right furrow rotary plow
    Disc Coulter
    fluted Coulter
    landside
    Plow point
    plow share
    Plow suck
    Shear pin
    Shin
    Trashboards
    Wear plates
    Wear pads
    Moldboard
    Moldboard Plow
    Coulter
    Disc Coulter
    Fluted Coulter
    Drag
    Plow width being at the bottom edge being 12-14-16-18........inches
    In furrow depth guage wheel


    The disc or fluted coulter cuts the sod or broken
    ground directly in front of the plow share.

    The moldboard folds the dirt over as the coulter wheel and plow share cuts it as it advances

    The amount of surface area a plow moldboard has affects the amount
    of drag it creates when it is sucking into the ground.

    The adjustable top link will determine the angle the first share enters the soil and then the rest follow suit.

    The adjustable lower right link affects the geometry of the attachment connected to it where if the lower link
    was cranked all the way in it would force the ground engaging attachment it would be at its lowest possible point/depth
    in the furrow.

    The narrower the width the of the plowshare the less drag; The plow with a disc or fluted coulter reduces the drag even further
    by cutting a slit the depth of the plow plow to aid in plowing and reducing drag by creating a path for the plow point and share to follow.

    The trash board rolls the trash left from the harvest over into the furrow (if you are lucky) and it is not clogged up with the field trash-corn cobs/stubble.

    I am sure I forgot a few things, but you have to understand that the less resistance you create with a single moldboard and disc or fluted coulter the better.

    A rotary tiller does this in one step as long as you use a slow speed of advance.

    A two wheel tractor can do this in one step while also building a raised bed at the same time.

  4. #4
    Gold Member OrangeToys's Avatar
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    Location
    Missouri
    Tractor
    2011 Kubota MX5100

    Default

    How do you think this would handle?

    -forumrunner_20130202_110014-png
    I like to push buttons that I dont know what they do to find out. Theres some I wont push anymore

  5. #5
    Platinum Member nspec's Avatar
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    Location
    Southern Rhode Island
    Tractor
    Kubota B2630, '53 Farmall Super H, '47 Farmall AI, '44 Farmall A

    Default

    Leonz: a single 12 is ridiculous for a 50hp tractor, c'mon! I pull a single 16 with 26hp. Give the guy some decent advice.

    A two bottom plow on an mx5100 would be great. I believe a few guys pull 3 bottoms with that tractor, but in my opinion, it doesn't have the weight behind it for that. A two bottom with 14" moldboards would be my #1 choice. Don't know your soil type, but this should enable you to move along easy and quick enough to do a fine job of actually turning the soil over. Lots of guys say they can 'pull' a bigger plow, but in reality they aren't pulling it fast enough to do a proper job.

    That picture looks light you're on the right track.

  6. #6
    Platinum Member TNhobbyfarmer's Avatar
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    Dec 2004
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    757
    Location
    Middle Tennessee
    Tractor
    Kubota 3430 4WD

    Default Re: What size plow

    Your tractor would handle that plow just fine. I use one almost identical to that one, and my tractor is much smaller than yours, 34 hp. By the way, that is a very nice plow, Ford 101 I think. It is trip plow, not a shear pin version, very handy.
    Jerry
    Kubota L3430 with FEL

  7. #7
    Gold Member OrangeToys's Avatar
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    Location
    Missouri
    Tractor
    2011 Kubota MX5100

    Default

    I didn't know plow tripped?
    I like to push buttons that I dont know what they do to find out. Theres some I wont push anymore

  8. #8
    Platinum Member allen in texas's Avatar
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    Levelland, TX
    Tractor
    Kubota Grand L 5740, loaded R1's w/642 lbs cast weight, 854 loader

    Default Re: What size plow

    two 14's would be good. Probably wouldn't have any trouble with two 16's.

    A 12 inch? c'mon.
    I pulled a 14" two bottom with a 32 hp tractor (engine) and I now pull a three bottom rollover with a 59 hp tractor. (again, engine hp)
    There are some old "rules of thumb" One of them is "1 hp for every inch of bottom". Therefore, two 14's would take 28 HP, two 16's would take 32 HP. The plow you picture would be fine behind your tractor.
    my $.02
    I put this in another thread but here's a video of my tractor pulling three 14 inch bottoms.
    sorry for the bad quality.
    Oliver plow - YouTube

    " Lots of guys say they can 'pull' a bigger plow, but in reality they aren't pulling it fast enough to do a proper job."

    nspec, how about my speed in the video? never below 4 mph and occasionally as high as 4.7 mph. (too fast actually) my soil is sandy loam.
    You are correct though, a plow needs to be pulled at a proper speed.



    tripping plow...
    it is an over center device, or a spring loaded device that holds the plow in place. It you hit something buried in the ground, the plow will trip out before damaging something. You generally set the plow on the ground and back up to reset it. A shear bolt plow has a bolt that hold the shank in place. Hit something, the bolt breaks and releases the bottom before something is damaged. You push it back in place, (or hammer it) replace the bolt and you are on your merry way. There are several different methods to the same end but they are all to prevent damage.
    PS looks like the hitch has be replaced on the plow you pictured. I'd look for another plow. That hitch is welded solid. A correct hitch is adjustable and allows you to adjust the way the plow trails the tractor. Very important. A well adjusted plow pulls easier.
    Last edited by allen in texas; 02-02-2013 at 06:27 PM.
    KK 72" tiller Rears SPF 72 inch Flail, FL960 knives, Cammond BS72E 6 foot BB,
    HF Quick hitch, RBT3584 rear blade.
    assorted two and 4 row diamond bar equipment, all junky.
    20 ft Big Tex 70CH
    Maxey 14000# 16'x83" GN dump trailer
    Oliver 6241 3 bottom rollover moldboard plow
    http://www.youtube.com/watch?v=EdEStYYl1Ts
    I like straight furrows
    1960 model 102 Ford 14 inch two bottom rollover plow on my little L3240

  9. #9
    Veteran Member
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    Northern, IL
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    Branson 2400H

    Default Re: What size plow

    In ighter soil you probably could pull 3-14's if you have enough weight on the front to lift a fully mounted plow. Semi-mounted 3-14 should be no problem. Used to use a pull type 3-14's with a 5600 Ford breaking sod. This had R1 ag tires full of fluid but was not FWD.
    Artificial Intelligence will never overcome natural stupidity.

    Branson 2400H MMM & FEL

    JD 112

    BX1850 gone but not forgotten

  10. #10
    Platinum Member nspec's Avatar
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    Southern Rhode Island
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    Kubota B2630, '53 Farmall Super H, '47 Farmall AI, '44 Farmall A

    Default

    Allen: your speed looked good to me. I've seen those videos where the guys are just crawling and the sod isn't being turned over well. Too much plow, you know?

    Also, I agree with you 100% about the hitch being replaced on the plow in that picture. That was the first thing I noticed. The 'back half' looks to be a Ford 101. Great plow, parts are cheap and readily available. You could never set that plow up properly though with the hitch being welded solid. I always make little adjustments to mine while I'm plowing to get it to run just right. Especially at the beginning. That's part of the fun of plowing!!

    Oldnslow: Tractor weight is a huge factor as you know with regards to how much plow you can pull. That Ford is over 2,000 lbs heavier than the kubota mx5100 in question. The Kubota does have 4wd though, although the r-4's won't be as good as ag tires. Lots of factors to consider.

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