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Hay Equipment question
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<blockquote data-quote="Atimm693" data-source="post: 1765629" data-attributes="member: 26138"><p>We have a MC840 that has a history pretty similar to yours. Hit something and it will break the gears in the cutterbar, if you're lucky the upper gear only, but it has broken several lowers and the whole cutterbar needs to be disassembled to repair that. I've gotten pretty quick with it, on ours I can drop one side of the cutterbar and have it slid apart in an hour or so. </p><p></p><p>CFpinz is correct with how that cutterbar is driven. On a 10' mower I believe there are three hex rods that connect each group of pods. It's very possible that the impact partially sheared the corners off of one end and the dealer missed it during reassembly. </p><p></p><p>Last year we upgraded to a NH DB313R. There are things I don't like about it's cutterbar, but at least it has a shock hub that isn't too bad to swap out if you hit something.</p><p></p><p>Krone has the best shear protection IMO, they use a threaded spindle and a roll pin. If you hit something the pin will shear and that turtle will unscrew out of the way so the adjacent ones don't beat it to death. </p><p></p><p>I believe Kuhn's setup breaks the whole turtle off and throws it out the back, which works I guess but doesn't seem like the best way to me.</p></blockquote><p></p>
[QUOTE="Atimm693, post: 1765629, member: 26138"] We have a MC840 that has a history pretty similar to yours. Hit something and it will break the gears in the cutterbar, if you're lucky the upper gear only, but it has broken several lowers and the whole cutterbar needs to be disassembled to repair that. I've gotten pretty quick with it, on ours I can drop one side of the cutterbar and have it slid apart in an hour or so. CFpinz is correct with how that cutterbar is driven. On a 10' mower I believe there are three hex rods that connect each group of pods. It's very possible that the impact partially sheared the corners off of one end and the dealer missed it during reassembly. Last year we upgraded to a NH DB313R. There are things I don't like about it's cutterbar, but at least it has a shock hub that isn't too bad to swap out if you hit something. Krone has the best shear protection IMO, they use a threaded spindle and a roll pin. If you hit something the pin will shear and that turtle will unscrew out of the way so the adjacent ones don't beat it to death. I believe Kuhn's setup breaks the whole turtle off and throws it out the back, which works I guess but doesn't seem like the best way to me. [/QUOTE]
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