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  1. #1
    Platinum Member
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    Jul 2007
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    874
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    WV
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    John Deere 1026R

    Default john deere 260 backhoe ripper

    I've just completed the first pass design for a backhoe ripper I'm getting ready to build. I would like opinions on it before I go into production. The goal is to build a better ripper than the brotek that everyone seems to be using for the JD 260 backhoe. I want to be able to cut through roots up to 8" in diameter. To do this I have added large teeth on the back side, a tool steel tooth on the bottom, and a 60 degree knife edge on the front. The pin dimensions may have to be altered some. The mounting ears are 1/2" mild steel and the ripper shank is 1" thick. I did not draw the pin bushings yet because I haven't taken any measurements from my backhoe. It's currently at a job site.

    I put a cutout in the middle to give myself something to grab onto that wouldn't be sharp while installing or moving it I think it will weigh about 100 lbs when finished.
    Attached Thumbnails Attached Thumbnails -rip-jpg  

  2. #2
    Gold Member acme97's Avatar
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    May 2011
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    326
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    Cottageville, SC
    Tractor
    Kubota L35, Kioti DK50SE

    Default Re: john deere 260 backhoe ripper

    I like the design so far. I'm looking for something to put on my L35. Some of the one's I looked at had a plate on the backside to prevent sinking in the dirt when you curled and to act as a scoop when you needed to move some dirt. You might want to do that. Will the tooth on front be bolt on or welded?

  3. #3
    Platinum Member
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    Jul 2007
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    874
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    WV
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    John Deere 1026R

    Default Re: john deere 260 backhoe ripper

    I'm thinking about using hardox 400 instead of tool steel because I have a local shop that can weld it. Tool steel seems to take more care than the hardox stuff, but I don't know how much it will cost. Another idea is to get a scrap cutting edge from one of the heavy equipment repair shops and cut it to fit, then weld it. I definitely want it welded on.

  4. #4
    Veteran Member wedge40's Avatar
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    Oct 2007
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    2,194

    Default Re: john deere 260 backhoe ripper

    From what I've found you will want some sort plate along the back side of the tooth to support the ripper when prying. Unless the 260 and a huge backhoe.
    Check out this design.
    http://www.tractorbynet.com/forums/a...r-my-bh92.html
    Wedge
    1967 Ford 4000,Mahindra 4530 with FEL and BH, Box blade, straight blade, FEL, Rake, Bushhog, Backhoe, Jinma chipper, KKII tiller, Grapple. Mahindra 4530, with FEL and Backhoe.

  5. #5
    Platinum Member
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    Jul 2007
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    874
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    WV
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    John Deere 1026R

    Default Re: john deere 260 backhoe ripper

    I added a pin on scoop for the rear. It detaches just like bucket pins. I also stiffened up the mounting pins and moved them forward to allow the tractor to grasp larger objects with the thumb and also to keep the linkage / cylinder end out of the dirt.
    Attached Thumbnails Attached Thumbnails -rip2-jpg  

  6. #6
    Veteran Member wedge40's Avatar
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    Default Re: john deere 260 backhoe ripper

    Dont know when you plan on starting to cut metal, but let a few more besides me comment.
    The only other thing I'd change/add is the horizontal plate that the gussets are welded to.. I'd make that and inch or two wider then needed, then use this as a lip to rest the ripper on for a support frame for storage and mounting. Having this thing sitting stable with hooking up to the backhoe will save hours in the confessional. dont ask how I know.

    Wedge
    1967 Ford 4000,Mahindra 4530 with FEL and BH, Box blade, straight blade, FEL, Rake, Bushhog, Backhoe, Jinma chipper, KKII tiller, Grapple. Mahindra 4530, with FEL and Backhoe.

  7. #7
    Platinum Member
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    Jul 2007
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    WV
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    John Deere 1026R

    Default Re: john deere 260 backhoe ripper

    I'm also going to build a pin grabber so i can switch buckets faster. This should make the stand unnecessary. I'm cutting material on the 28th of September with a waterjet.

  8. #8
    Platinum Member
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    Jul 2007
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    WV
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    John Deere 1026R

    Default Re: john deere 260 backhoe ripper

    I made some more progress tonight refining the design. The hardest part was drawing the backhoe boom and dipper! I added a second optional pin hole for maximum ripping force and less articulation. I also angled the ripper a little to make it fit better without hitting anything. The big box on the dipper stick is a stand in for my north star weld on thumb. The cutouts on the ground represent 1 foot each, so the reach is about 8 feet. The boom is mounted at the same height as my backhoe sits while on its tires.
    Attached Thumbnails Attached Thumbnails -rip3-jpg   -rip4-jpg  

  9. #9
    New Member
    Join Date
    Feb 2011
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    19
    Location
    PA
    Tractor
    Deere 4310

    Default Re: john deere 260 backhoe ripper

    What software are you using to do your design work in? Looks good. Let us know how it goes.

  10. #10
    Platinum Member
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    John Deere 1026R

    Default Re: john deere 260 backhoe ripper

    I'm using alibre design professional. It's not as fancy as solidworks or inventor, but it's still pretty good, especially for the money! Alibre - Affordable 3D CAD Software, CAM, Rendering, and Document Management Software

    I'm cutting at the shop now.

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