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Discussion Boards > Active Subjects > Messages as Posted > Size Tractor Needed Forum

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 11-13-2003, 11:59 Post: 68658
sprobst



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 HP needed for rotary cutter

I was considering 2 tractors (New Holland 33D and JD 4310). Both have a rated PTO HP of around 27HP. I need to power a medium duty 5 foot rotary cutter (probably a Rhino TW60) capable of handling 2 inch brush. Most rotary cutters I've seen that are that size recommend 28-30HP. Budget is a concern. In your experience, are these two tractors capable of running a medium duty 5 foot bushhog?






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 11-13-2003, 12:06 Post: 68662
Murf

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 HP needed for rotary cutter

Will they run a 5' bush hog? Yes.

Will they cut 2" brush with it? Not very well, or very quickly.

If budget is a concern but you absolutely HAVE to do this task I would suggest you explore buying a slightly larger USED tractor. Then you will have the bigger machine without the bigger price tag.

Best of luck.






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 11-13-2003, 12:18 Post: 68665
kwschumm



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 HP needed for rotary cutter

I suppose it depends on what the 2" material is that you want to cut. My 4310 with MX5 medium duty rotary cutter does a superb job on 2" Scotch Broom, and that's pretty tough stuff. You can't race over it going 10 mph, but it chops it up pretty well. I'm very impressed with the MX5.






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 11-14-2003, 06:12 Post: 68705
TomG

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 HP needed for rotary cutter

Cutters that are big for a tractor are harder on the PTO drive no matter what is cut, but tractors are made to be used and repair has to be factored into the price of owning one. In marginal HP situations reducing ground speed likely would manage any power problems and the cutter likely would be OK if the weight can be managed by the 3ph.

Another way of looking at it is that if the work is all on your own property 2" material probably has to be cut only once. After that loads and wear and tear on the tractor should be less. Alternatively the first cut could be contracted out and a lighter cutter could be bought for the tractor, which would produce less wear and tear in the long run.






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 11-14-2003, 06:38 Post: 68707
Art White



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 HP needed for rotary cutter

They will handle it, of coarse the variable speed of a hydro will help ease into that two inch tree so the horsepower is used up from improper gearing. Those trees if it is your property will only be two inch diameter the first time you cut them unless you wait a few years to do it again.






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Discussion Boards > Active Subjects > Messages as Posted > Size Tractor Needed Forum

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