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  1. #1
    New Member Calbear55's Avatar
    Join Date
    Jan 2009
    Posts
    9
    Location
    California
    Tractor
    Kubota B6000E

    Default Tiller shearing Drive Bolts

    I have a B6000E with a kubota Tiller. The Drive shaft on the tiller keeps shearing the two blots. I have tried Grade 5. Lasted for about 20 minutes. Will I have better luck with Grade 8? Is this a common problem with Kubota tiller? Should I just keep a bag full of 5/16 Bolts with me? Thank you ahead of time for any help or information.
    Craig
    "Better to do something imperfectly than to do nothing flawlessly" -Dr Robert Schuller-

  2. #2
    Elite Member wushaw's Avatar
    Join Date
    Mar 2005
    Posts
    3,075
    Location
    Bristol Texas
    Tractor
    Kubota L2800, 15 hp 372 Mitsubishi

    Default Re: Tiller shearing Drive Bolts

    If you are gonna use the bolts then it is best for the bolts to sheer than your PTO system on the tractor.
    A slip clutch is what is best used for tilling operations.
    Tractor Supply Company - PTO Slip Clutch, 1-3/8 in. Smooth Shaft
    Kubota L2800HST, Mitsubishi 372, bh75, 45" Agric tiller, 5' home made disk, 42" Bush hog, PHD, 66" Cammond BB.

  3. #3
    Platinum Member
    Join Date
    Mar 2009
    Posts
    525
    Location
    ny orange county
    Tractor
    jd 2320 jd 990 jd950

    Default Re: Tiller shearing Drive Bolts

    i had same problem with my brush hog changed to allen head bolts and didnt shear as much .or drill out to 3/8.

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