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Backhoe attachment question
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<blockquote data-quote="SkidRoe" data-source="post: 98102" data-attributes="member: 3290"><p>The simpler one that you describe is usually referred to as a "Bobtach Backhoe". I built a two of them a couple of years ago. The cylinder that actuates the bucket plugs into the aux hydraulic connections on the boom of the machine. Some of the more high end ones have a swing cylinder as well, and require an electrical connection to operate a diverter valve mounted on the attachment.</p><p>For general purpose digging, they work great. I have dug trenches, tree stumps, cleared under growth, installed ground level trampolines, and buried dead animals with them. </p><p>Compared to the more elegant solutions, they are limited in how deep they will dig; the one on the 773 can go to 6 feet, 5 feet on the 440b. The break out strength is determined by how much traction you have available, and you will be tearing up the grass every time you have to pivot the machine to empty the bucket. Also, because of the breakout strength, you will be limited to the size of bucket you can use, so leave digging house foundations for bigger machines. But that said, to me, these are just factors that I have to work around and I have not found a digging job that I could not handle with this attachment.</p><p>As with any attachment that you are debating purchase on, I always recommend renting one to try out first, if you can.</p><p>Hope this helps - SR</p></blockquote><p></p>
[QUOTE="SkidRoe, post: 98102, member: 3290"] The simpler one that you describe is usually referred to as a “Bobtach Backhoe”. I built a two of them a couple of years ago. The cylinder that actuates the bucket plugs into the aux hydraulic connections on the boom of the machine. Some of the more high end ones have a swing cylinder as well, and require an electrical connection to operate a diverter valve mounted on the attachment. For general purpose digging, they work great. I have dug trenches, tree stumps, cleared under growth, installed ground level trampolines, and buried dead animals with them. Compared to the more elegant solutions, they are limited in how deep they will dig; the one on the 773 can go to 6 feet, 5 feet on the 440b. The break out strength is determined by how much traction you have available, and you will be tearing up the grass every time you have to pivot the machine to empty the bucket. Also, because of the breakout strength, you will be limited to the size of bucket you can use, so leave digging house foundations for bigger machines. But that said, to me, these are just factors that I have to work around and I have not found a digging job that I could not handle with this attachment. As with any attachment that you are debating purchase on, I always recommend renting one to try out first, if you can. Hope this helps - SR [/QUOTE]
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