Anonymous Poster
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- Joined
- Sep 27, 2005
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Hey, have any of you used the PTO chipper/shredder that Northern sells? There's two models, one that chips 3" branches and sells for $1200, and one that does 5" and sells for $2100. I think that the larger one is a Mackissic.
Northern's description of the gearing is wierd- 540 rpm PTO gives 2014 rpm (3.73:1 ratio) is correct, then they say "825 to 1000 PTO rpm delivers ideal 2000 to 2600 rpm".
I've got a Kubota 7100 which has a two-speed PTO (540 and 857). If my math is correct, I'd need to run the 7100 at about 2100 rpms instead of the max 2600 to keep the chipper from running too fast.
Other than the speed issue, it sounds like what I want- it's not too heavy for the 7100 and it's both a chipper and shredder.
My wife's getting frustrated with the 10hp MTD chipper/shredder that we have now (I am too, but she runs it more). We have to be careful feeding it or it'll jam, and it can't deal with anything larger than a stick. We've got 10 acres of trees and another 10 of brush, and burning is illegal in our county.
Northern's description of the gearing is wierd- 540 rpm PTO gives 2014 rpm (3.73:1 ratio) is correct, then they say "825 to 1000 PTO rpm delivers ideal 2000 to 2600 rpm".
I've got a Kubota 7100 which has a two-speed PTO (540 and 857). If my math is correct, I'd need to run the 7100 at about 2100 rpms instead of the max 2600 to keep the chipper from running too fast.
Other than the speed issue, it sounds like what I want- it's not too heavy for the 7100 and it's both a chipper and shredder.
My wife's getting frustrated with the 10hp MTD chipper/shredder that we have now (I am too, but she runs it more). We have to be careful feeding it or it'll jam, and it can't deal with anything larger than a stick. We've got 10 acres of trees and another 10 of brush, and burning is illegal in our county.