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  1. #1
    New Member
    Join Date
    Aug 2013
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    Knoxville, TN
    Tractor
    Kubota M5040

    Default Need help with rotary cutter choice

    I own a 4WD kubota M5040 which has 46 PTO HP and max lifting of 1200 lbs. I am purchasing a Bush Hog Rotary Cutter BH26 which requires a minimum 45 PTO HP and weighs 1095 pounds. Am I cutting it too close? I don't want to damage or bog down the tractor, but I have hills with small cedars that get in my way, so I need something sturdy enough to handle them. Thanks.

  2. #2
    Super Star Member TripleR's Avatar
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    Mar 2009
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    18,055
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    Missouri
    Tractor
    Kubota M8540HDC, L5740HSTC, BX2200, BX2660, John Deere 425&1025R, Case, Massey Ferguson, Ford

    Default Re: Need help with rotary cutter choice

    I wouldn't worry about it, I used a Land Pride RCR2672 weighing 1046 pounds with my L5030 and it's a lot lighter tractor than yours. I also use a Land Pride HR3584 box scraper on my L5740 weighing well over 1100 pounds and it handles it fine.

  3. #3
    Elite Member rbargeron's Avatar
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    May 2000
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    2,686
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    MA
    Tractor
    L5450, L48, L3250, L345

    Default Re: Need help with rotary cutter choice

    Quote Originally Posted by Deb3 View Post
    ...... Am I cutting it too close? I don't want to damage or bog down the tractor......
    You're not cutting it too close - the power guidelines are only approximate and the 3 pt lift rating has some tolerance too. You'll be fine with that setup.
    L345, L3250, L48, L5450, never enough attachments

  4. #4
    Super Star Member LD1's Avatar
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    Apr 2008
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    14,774
    Location
    Central Ohio
    Tractor
    Kubota MX5100

    Default Re: Need help with rotary cutter choice

    Where are you getting that 1200# max lifting number???

    Your 3PH will lift 3300 lbs @ 24" and your FEL will lift ~2400 lbs.

    Heck, my little L3800 will lift more than 1200 on the 3PH
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
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    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
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  5. #5
    Elite Member Ken45101's Avatar
    Join Date
    Feb 2009
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    3,391
    Location
    southern Ohio
    Tractor
    Kubota M5040, M9540, B21 TLB, B2710, RTV900, JD 325 Skid steer, KX-121-3 mini excavator

    Default Re: Need help with rotary cutter choice

    I run a 6' medium duty cutter on a M5040 and have no problems. As pointed out, the 3pt lift is over 3000#. For the width of the 5040, a 6' cutter is a good match. If you don't have a FEL, you will need front weights probably.

    I originally ran that same cutter on a M4700, slightly less pto hp but never had any problems.

    When you get into heavy stuff, you'll want to run in first gear anyway and you'll have plenty of horsepower. Normally I run in third gear when mowing except for very thick grass and weeds.

    The rule of thumb is a minimum of 5 hp per foot of cutter. You have 7.5 hp so you're doing fine.

  6. #6
    Gold Member
    Join Date
    Dec 2012
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    272
    Location
    Grand Lake OK
    Tractor
    Kubota L4600

    Default Re: Need help with rotary cutter choice

    I have a kubota L4600 which specs just a little weaker than your tractor. I have a Woods brush bull 72 that looks close to your rotary cutter, and I love mine almost a perfect match. Mine gets a little heavy if I need to keep the tail wheel up for some reason, but that doesn't happen very often.

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