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  1. #31
    Gold Member Texas Dodge's Avatar
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    Oct 2007
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    275
    Location
    Nursery, Texas
    Tractor
    Kubota L3400 4WD

    Default Re: Beginners guide to using a box blade

    I learned something new today about my BB on smoothing. Don't let the front cutting edge engage. This place is great
    Brian

    2007 Kubota L3400 4WD 4L/4H/4R
    Implements: Ansung 2540 Front End Loader, Continental 5' Bronco Cutter, 6ft. Armstrong Ag Box Blade, 3-PT Quick Hitch, 6' Mustang Finishing Mower

  2. #32
    New Member
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    Nov 2005
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    9
    Location
    WV
    Tractor
    Kubota BX 23

    Default Re: Beginners guide to using a box blade

    I found these videos that helped me a great deal.

    wilsonoutdoors.com - Tractor Videos

    Check them out. Maybe they will help.

  3. #33
    Veteran Member canoetrpr's Avatar
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    Aug 2005
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    2,382
    Location
    Ontario, Canada
    Tractor
    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Re: Beginners guide to using a box blade

    Mike - no insult to intelligence at all. I'm pretty new at pretty much everything there. I'm not terribly handy by nature but this site has helped me along the way. Who knew I'd be installing my own hydraulic remotes or doing my own service!

    I like your door stopper idea and I'll poke around to see how it might work for me.

    Rob, I too would have thought the back blade would have a way to lock in place. Didn't see it in the manual. I'll take a look again and let you know what I come up with.

    Thanks again!
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

  4. #34
    Veteran Member canoetrpr's Avatar
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    Aug 2005
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    2,382
    Location
    Ontario, Canada
    Tractor
    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Re: Beginners guide to using a box blade

    I re-read Johnk's post and I think I understand what he was trying to say now.

    I think he is saying that I can ensure that there is cutting action on the front cutting edge using a combination of:

    - 3 PT lift height and
    - Top link adjustment.

    This will make the rear blade flop around on the ground and be dragged, thus providing the smoothing action.

    The difference between this and what one would do with a fixed rear blade is that the full weight of the implement is not on the rear blade (since it hinges and gets out of the way) to provide smoothing action.
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

  5. #35
    Gold Member Texas Dodge's Avatar
    Join Date
    Oct 2007
    Posts
    275
    Location
    Nursery, Texas
    Tractor
    Kubota L3400 4WD

    Default Re: Beginners guide to using a box blade

    Quote Originally Posted by chelebelly
    I found these videos that helped me a great deal.

    wilsonoutdoors.com - Tractor Videos

    Check them out. Maybe they will help.
    Yeah those brushhogging videos are real good The cameraman is standing entirely too close
    Brian

    2007 Kubota L3400 4WD 4L/4H/4R
    Implements: Ansung 2540 Front End Loader, Continental 5' Bronco Cutter, 6ft. Armstrong Ag Box Blade, 3-PT Quick Hitch, 6' Mustang Finishing Mower

  6. #36
    Veteran Member
    Join Date
    Jul 2003
    Posts
    1,691
    Location
    SW Indiana
    Tractor
    Ford 1920 4x4 (traded in on Kubota). Case 480F TLB w/4 in 1 bucket, 4x4. Gehl CTL60 tracked loader, Kubota L4330 GST

    Default Re: Beginners guide to using a box blade

    canoetrpr,

    I've had both the hinged and fixed rear blade versions and they're very different to use. In general, the hinged are very aggressive in both directions because the other blade is always out of the way. But sometimes you just want to "smear" rather than "cut" and a rigid rear blade lets the two blades interfere with each other enough to do that. Also, you can get the rear blade elevated enough so you can "backdrag" with the front blade going backwards. If that's what you want to do, maybe you could bungee the rear blade completely up without having to hold it rigidly in some intermediate position. I think a rigid rear blade combined with a hydraulic top and tilt might have some advantages over a hinged rear blade. It still wouldn't address one problem we have in S. Indiana- red clay. It seems to pack in the dead space between the two fixed blades and its **** to remove with all those bolts in there.

    John

  7. #37
    Veteran Member canoetrpr's Avatar
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    Aug 2005
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    2,382
    Location
    Ontario, Canada
    Tractor
    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Re: Beginners guide to using a box blade

    jmc thanks. As it turns out, I had originally ordered the Woods GB72 - the standard duty model with a fixed rear blade. The dealer ordered in the wrong one for me - the medium duty HB72.

    I decided to keep it since it was heavier but sort of regret it now that it sounds like there dosen't seem to be an easy way get the weight of the implement on the ground but not really cut - and just finish grade.

    I'm trying to figure out what the point of the hinged read blade is vs the fixed one. You would think that there was some advantage to it since it is on the more expensive model. Confused.
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

  8. #38
    Veteran Member canoetrpr's Avatar
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    Aug 2005
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    Location
    Ontario, Canada
    Tractor
    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Re: Beginners guide to using a box blade

    I decided to look at the manual and what the recommend (for both the fixed and hinged models) seems to be quite the oppositte of what we've been discussing so far.

    Note that they have covered "Scarfying", "Scraping" and "Backfilling' separately and so by "Leveling" I am assuming they mean finish grading.

    LEVELING
    1. Raise or remove scarifier shanks.
    2. Shorten the top link so the cutting edge clears the
    ground.
    3. Drive forward with the box blade in this position and
    loose material will be leveled.

    I imagine they are talking about getting the BB in such position so that only the rear blade not the front one contacts the surface. Similar to what I thought johnk was saying
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

  9. #39
    Veteran Member MJPetersen's Avatar
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    Feb 2007
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    1,255
    Location
    Warsaw, Poland
    Tractor
    YM 1510-D

    Default Re: Beginners guide to using a box blade

    What they are saying is that you should SHORTEN the top link until the front cutting edge is off the ground ie. the BB is riding on the side plates. That is that it is tipped so far forward that the side plates are carrying the load.

    The way that Rob and others have suggested is to lengthen the top link so that the BB is riding on the rear blade.

    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.

  10. #40
    Veteran Member canoetrpr's Avatar
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    Ontario, Canada
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    Kubota M7040 cab/hyd shuttle - current, Kubota L3400 - traded

    Default Re: Beginners guide to using a box blade

    Mike - yeah I figured thats what they are saying. I will have to experiment to see if doing this still allows the rear blade to contact the ground. If it does not then I don't see how this could possibly result in any fine grading / levelling action.

    Figured I would play around a bit and the send them an email if I couldn't figure it out. Someone who designed a hinged blade MUST have thought about how it could be used for levelling without having to fix the hinged blade in place - or provided a way to do it.
    Current: Kubota M7040 cab, hydraulic shuttle, Kubota M20 loader (made by ALO), LandPride RCR1872 rotary cutter, Horst bale spears & forks, Woods HB72 box blade, Kodiak 7' rake, Walco cultivator, chain harrow, Meteor 74" pull style blower

    Traded: Kubota L3400, LA473 HST (300 hrs), and various attachments

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