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  1. #11
    Veteran Member
    Join Date
    Sep 2000
    Posts
    1,370

    Default Re: backhoe auger hydraulics

    Roger,

    Thanks for taking the time to post the pictures. I have been following this thread and the other where this discussion surfaced.

    One of the problems I see is my attachment priority list keeps getting messed up.

    The other problem, I would have to build fence a night to hide this rig from my neighbors.

    Thanks again, neat rig[img]/w3tcompact/icons/smile.gif[/img]




  2. #12
    Silver Member
    Join Date
    Nov 2000
    Posts
    126
    Location
    CA, Placer County
    Tractor
    1999 Kubota L4310 HST 4WD, R4 Tires, Folding ROPS, Kubota Canopy

    Default Re: backhoe auger hydraulics

    Larry,
    Happy to help.

    There are to differnet improvements I would make.

    1) the side to side slip of the power head on the lower pin of the H bracket.

    2) The foreward and rearward swing of the H bracket itself on the 2 pins.


    - As you said, the ~2" side to side play in the bottom of the bracket could be removed with a shim or spacer. I have not noticed that this extra space causes a problem so far but this could be an improvement. The post holes in the ground are probably a just a little bigger than the auger because of this extra space.

    - The way the top of the "H" attaches to the dipper stick allows it to swing foreward and backward. If you put too much weight on the digger, the H pivots on the 2 large pins foreward or rearward. You can still put the whole weight of the tractor on the auger when it is like this, but it would be better if 1 of the 2 large pins in the H were fixed so their was only 1 movable joint. I thought about extending the top of the H up to the bucket curl link shown resting with empty holes on top of the dipperstick. This would leave only one joint that pivots. The quick disconnects on the bucket curl cylinder would lock the cylinder in place so the H would be fixed also. As long as there is a single pivot, the auger will still hange straight down. My other idea is to weld some plates on the top half of the H to fit around and box end of the dipper stick itself to make the H extend straight off the end of the dipper stick. This would also eliminate the top pivot problem. It's hard to tell in the pictures but the H is made of 1" steel. The large pins are 1-1/4" steel pins. I will need some serious metal working tools to modify this setup or (shame) pay someone...

    I am not a safety expert but starting a hole straight down a short distance and then lowering the auger head to create a angle into the side of a hill seems dangerous to me. If the auger angle was fixed off the dipper stick and not hanging in the direction of gravity, it seems like this might be ok if you go slow. I have never attempted this. I tend to use the backhoe itself to dig into hill sides.

    There is nothing magic in the hose routing. The hoses are simply way too long and are attached to the power head without disconnects. I use a bungie (sp?) cord to tie them to the dipper stick to keep them out of the way. Someday I plan to add hydraulic hose disconnects at the power head and use some shorter hoses to the curl cylinder hoses.

    I have probably said this a few too many times, but here it goes again. The reason I use this setup is to reach into weird or hard to reach locations. I drill 95+% of post holes with the power head attached to the side of the loader frame, not the backhoe. The loader frame mount is MUCH quicker than relocating the tractor every 1-2 holes and setting up the backhoe. Nothing short of digging by hand beats this setup for reaching over, around, between, or through existing obsticals that limit the tractor access. I have even drilled holes with the backhoe arm through a barn stall window to put in some drainage. I am completely lazy when it comes to digging post holes. I don't dig holes by hand period. I still have nightmares about putting in a couple of hundred post holes by hand when I was growing up.

    Hope this helps.
    -Roger



  3. #13

    Default Re: backhoe auger hydraulics

    RMulkey
    I was very excited to read this post, I have been dreaming of putting an auger on my kubota L35 since I bought it in October. I really enjoyed your pictures. It sound like you put in alot of fence, and I'm sure you have numerous hours on a standard 3 point auger. Having used both augers can you give me some of the pros and cons of each system. In your opinion is it worth the extra cost to go this route? If you are not worried about reaching into a tight situation, would you rather have the auger mounted on the loader or the backhoe?


  4. #14
    Silver Member
    Join Date
    Nov 2000
    Posts
    126
    Location
    CA, Placer County
    Tractor
    1999 Kubota L4310 HST 4WD, R4 Tires, Folding ROPS, Kubota Canopy

    Default Re: backhoe auger hydraulics

    flkl35,
    I have only used the hydraulic auger on the loader or the backhoe (other than my recuring childhood nightmare of putting in 100's of posts by hand). I have never used the auger mounted on the 3PH (PTO or hydraulic driven). The Loader side mount or the 3PH mount would both be great for drilling lots of holes quickly. You can drive to the location, set the parking brake and drill. The backhoe mount is relatively slow since you need to drive to the location, set the brake, set up the backhoe, and drill. Your L35 should be quicker than my setup since I have to get off the tractor and climb into the separate seat for the backhoe, but I think it will still be a lot faster with the auger mounted on the loader or 3PH.
    Good luck.



  5. #15
    New Member simmysam3's Avatar
    Join Date
    Feb 2007
    Posts
    11
    Location
    Spokane, WA
    Tractor
    TYM 330 HST

    Default Re: backhoe auger hydraulics

    What is the actual auger drive unit pictured?

    I could use a shopping list!
    _____________
    Sam
    TYM 330HST w/FEL
    Toys include Bradco 3265 Backhoe, 5' Box Blade, 5' Rake, 50" Yanmar Tiller, Pallet Forks, Spike Harrow, Middlebuster, Stump Bucket

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