Results 1 to 3 of 3
  1. #1
    Silver Member
    Join Date
    Aug 2005
    Posts
    171
    Location
    Southern Illinois
    Tractor
    Mahindra 3510 / Bad Boy 28hp cat diesel

    Default Home made stump grinder

    Has a 6' half inch thick wheel with teeth from a trencher. Hydraulics will slide the wheel back maybe a foot and half or you can back the tractor over the stumps. I bought this off an elderly gentleman who built it himself. It will flat chew threw a 8 inch stump in less then a minute, depending on how aggressive you want to be. If the tree is leaning correctly, I can go after it without getting the chainsaw out. I really like how there are very few grindings to pick up. If tractor is level and top link is set level, I can go an inch or 2 below grade. Adjusting the top link down and she will really throw some dirt and dig down. She can throw some chunks when cutting aggressively, if I take my time, she's not bad at all. Works pretty well on the homesite where we cleared out land in the middle of the woods. I already have done 20+ stumps, think I got my $1100 initial investment out of her already.-dsc00328-jpg-dsc00330-jpg-dsc00329-jpg-5ed5fa5ja3l43i63j9c7148ba6242c6f5115c-jpg-dsc00331-jpg

  2. #2
    Elite Member
    Join Date
    Jul 2009
    Posts
    4,288
    Location
    SW WA
    Tractor
    Kubota BX2360

    Default Re: Home made stump grinder

    Any idea what the gearbox ratio or wheel speed is?

    Bruce

  3. #3
    Silver Member
    Join Date
    Aug 2005
    Posts
    171
    Location
    Southern Illinois
    Tractor
    Mahindra 3510 / Bad Boy 28hp cat diesel

    Default Re: Home made stump grinder

    It runs 540 pto and originally was a 310 MCCORMICK-INTERNATIONAL ROTARY CUTTER (1/62-12/66). I have diagrams and part numbers for every part on the gear box from the seller. The heavy wheel creates a lot of momentum. Speed is very comparable to a regular bush hog cutter. My pto is rated at 29 hp, have to feather it up to speed a couple times to get it spinning. It's all the lil Mahindra wants.

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