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  1. #1
    Elite Member ovrszd's Avatar
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    Missouri
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    Kubota M9540, JD2210

    Default Homemade Box Blade

    Can you guys look at this blueprint and tell me where I'm offtrack before I start??? Please excuse the crude drawings. It's an Acrobat Reader document. Thanks in advance.
    Attached Files Attached Files
    Richard
    Kubota M9540, JD2210

  2. #2
    Elite Member SPIKER's Avatar
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    Ohio, Jeromesville, Ashland County
    Tractor
    Jinma 284

    Default Re: Homemade Box Blade

    I didn't get a chance to view the PDF, (my system hates PDFs for some reason it locks up firefox every time

    anyhow a box blade is one of those items that seems to be cheaper to BUY than to make. I know a lot of people make them simply to get welding/fab time in but a box blade has to absorb TONS of abuse. Usually factory welds are better than the ave home/farm owner. I build similar stuff at work all the time and I went & bought a BB simply due to for 250 bucks I got a good one. (this was 7 yrs ago) and my time effort/materials would have cost a lot more than that...

    you still would have to buy rippers as well which are pretty high, in fact at the time almost 1/3 of the cost of my NEW BB would have been rippers to buy them, SO figuring I spent 2 hrs going & getting one, for 250, It I built one it would have taken 3 days say, 100 bucks in materials and rippers are ~30 each so that is 5 rippers = 150 more bucks that is right at the 250 mark to me it was a no brainer...

    (that was not including cutting edges as my bought one uses simple flat stock not the actual cutting edge material...)

    Mark M
    I may remember why I went to the other end of the shop, I'm just afraid once I get there I'll forget how to get back!

  3. #3
    Elite Member ovrszd's Avatar
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    Kubota M9540, JD2210

    Default Re: Homemade Box Blade

    Very good points. All of which I've thought about. I've got most of the materials on hand, but still have to consider the cost of those materials. I haven't priced scarifiers yet but hadn't figured on them being that expensive. As I look at these issues I may decide you are right.

    I could buy a good used one, then modify it to have hydraulic lift scarifiers and maybe end up cheaper than building from scratch.

    I don't figure my time investment at all. It's therapy to me. I'm positive I can build one stronger than a boughten $250 new one. Just not sure I can do it cheaper. Good points though Mark.
    Richard
    Kubota M9540, JD2210

  4. #4
    Super Member 3RRL's Avatar
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    Foothills of the Giant Sequoia's, California
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    55HP 4WD KAMA 554 and 4 x 4 Jinma 284

    Default Re: Homemade Box Blade

    Hi Richard,
    Another neat project I see.
    Although Mark is right about possible cost savings, there's no substitution for getting the self satisfaction of making your own box. Plus it's a little harder to re-design an existing boxblade to get the hydraulic lifting feature for the scarifiers you want...but it can be done.

    A couple of things I would consider with your design, and this is only a suggestion, not a critique mind you.
    Since you know that a boxblade's performance is all about weight, I would thicken up every single component. Not just for the added strength and resistance to abuse, but for the added weight. That will make your boxblade perform better in every way of use...from ripping to digging and smoothing etc. So I would consider going from 1/4" thick plates to at least 3/8" if not thicker. And so on for the other thickness plates and bars. Even your 3pt attachment. (Just my 2 cents)

    Another thing to consider is what kind of scarifiers you will use. Some have the holes in them for positioning and others have slots cut out. I've found the ones sold at Agri-Supply are inexpensive and very durable. I got the ones with the holes in them because I bent and broke the ones with slots right at the slots. It is a natural weak point in the shank, whereas the holes are not as much.

    If possible, could you show a section view from the side? Like if you were to remove the Left or Right side plate. I'd like to see how you are going to make the scarifiers work with the pivot and hydraulics.
    Thanks,
    Rob-
    ...The Older I get...the Better I Used to be...
    Member of the Month

  5. #5
    Platinum Member allen in texas's Avatar
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    Levelland, TX
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    Kubota Grand L 5740, loaded R1's w/642 lbs cast weight, 854 loader

    Default Re: Homemade Box Blade

    Change the 1/4 flat bar stuff to 1/2. at least I would.
    And the 18' measurement on your 3pt to the top link...
    Put a 1 1/4'' round rod at 15 inches. then you can use the bottom pin holes on a quick hitch if you have one and still use th 3/4 hole above that to hook straight up to your tractor if you don't have one.
    I also think that 3 inches is too wide at the top of the 3pt. 2" is plenty.

    Just my opinion.

    Actually, I didn't understand your drawing completely.
    What is the distance , from bottom to top, from the center of your lift pins to the center of your top link pin?

    the 18" looks to be an over all measurement.
    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

  6. #6
    Veteran Member MJPetersen's Avatar
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    Warsaw, Poland
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    YM 1510-D

    Default Re: Homemade Box Blade

    You have more drawing than I did when I made my rollover. I second the heavier materials Make sure you know what size your scarifiers are before you start since that will be purchased you kind of have to work around the size that they come in. For me that was not a problem--I cannot find them here.

    One thing I noticed is that if at all possible it is best if you can put a bend or two in the blade itself to give the effect of a curved blade. It gives you a better angle for cutting. about 20 degrees is good.

    If you are curious--here is my efforts at building a box. http://www.tractorbynet.com/forums/b...light=roll+box

    If you have access to a dealer with different boxes take a look and copy what you think is good.

    Mike
    "In all your ways acknowledge Him and He will direct your paths." Solomon
    YM1510D, YM 1202 tiller, The following home made tools: Quick Hitch, KK copy dirt scoop, imitation Gannon rollover box blade, Forks on 3pt, a Rear Blade with gauge wheels and a 1.5 yd dump trailer.

  7. #7
    Platinum Member bx24's Avatar
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    Default Re: Homemade Box Blade

    Oversized

    Check out this site for some scarfacers

    ASC # 45646 Box Shank

  8. #8
    Bronze Member
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    Default Re: Homemade Box Blade

    Here is what we did at work to make suitable blade to level caliche in the back of our yard. Took a piece of 16" 1/2" wall pipe and split it in half, ground bottom edge with a grinder at an angle. On the top edge we took a piece of 1/4"x 6" flat and cut triangle notches in it. Welded and braced it to top of pipe half. On back side of pipe half we welded rectangle tube for forklift forks to fit.
    When the caliche gets packed hard and is in rough shape we loosen it with the V and then flip it over to smooth it out. I would think the same concept could be applied to a tractor pulled implement. Might have add a weight tray and depth control skids/wheels tho.

  9. #9
    Elite Member wushaw's Avatar
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    Bristol Texas
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    Kubota L2800, 15 hp 372 Mitsubishi

    Default Re: Homemade Box Blade

    I would go the used route but I would only look at either Gannon or a Cammond, the weight will already be there.
    I am sure there are several of these mechanical ones around that can be converted to hydraulic.

  10. #10
    Veteran Member weldingisfun's Avatar
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    West Bell County, Texas
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    Mahindra 4500 4WD w/FEL, and Scotts S2048 lawn tractor

    Default Re: Homemade Box Blade

    Quote Originally Posted by bx24
    Oversized

    Check out this site for some scarfacers

    ASC # 45646 Box Shank
    Or, to save S&H you can drop by your local TSC.
    http://www.tractorsupply.com/webapp/wcs/stores/servlet/ProductDisplay_10551_10001_48603_______14345|14346 |14347|14348|48603?listingPage=true

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