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Re: What if you put a big rotary cutter on a small tractor?Posted by Josh DeWind on May 31, 2002 at 19:53:42 from (66.108.253.194): In Reply to: What if you put a big rotary cutter on a small tractor? posted by Josh DeWind on May 31, 2002 at 16:40:09: Thank you both for helpful comments. I am glad to hear the Woods Bush Hog holds up. I had a Landpride that easily got badly beat up from the blades hitting rocks and stumps, jumping up, and cutting the decking, which was 12 gauge -- nearly cut a 5-foot round hole through the deck along with other dammage! (I was obviously demanding too much from a light duty cutter.) The medium duty Woods has a 10 gauge deck (with a stump jumper blade) and should hold up better. You say you cannot beat up the medium duty Woods, which is good to hear, but because I have to work in very hilly, rocky, and stumpy fields -- backing in and out and inevitably banging into mature trees -- I will bang-up a cutter pretty hard on the sides and back. I'm not sure how well 10 gauge will stand up; so, I'm still tempted to go for the heavy duty, 7 gauge deck. As to the weight of the heavy duty, I was worried it would lift the front end. The heavy duty Woods weighs nearly 200 lbs. more than the medium cutter (1,212 lbs. vs. 1,039 lbs). I thought if necessary I would hang weights off the front end. But, I am still not sure how much weight the 3-pt. hitch can pick up how often before the hydraulics give out, and they're already leaking a bit. Is there a way to measure the capacity of the hydraulic system or does the PTO hp indicate how much it can take? If so, with only 36+ hp it seems I ought to trust that the medium duty can take the punishment and go for the lighter cutter. That sound about right? But here's another question: Why is the heavy duty rated for 4" brush and the medium for 2"? They both use the same size and weight of blades. So, I would think the blade speed determines the difference in what you can cut. But, oddly, even though Woods assumes each is being run off a standard 540 rpm PTO, the medium cutter blades are said to go 15,525 feet per minute while the heavy spins at only 13,572. If so, why cannot the medium duty go after the thicker brush? Is the answer that Woods recommends at least 50 hp spinning the blades on the heavy duty while only 40 hp behind the medium? Or, is it only the heavier gauge deck that leads Woods to recommend the heavy brush for the heavy duty cutter? Maybe, even though the B-414 now runs like it's forever, I should be taking it easier on the old thing and doing more chain sawing, as you recommend, before I run my tractor into the ground. If so, it seems the medium duty should serve me (and my wallet) well.
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