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  1. #1
    Bronze Member big e's Avatar
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    Feb 2010
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    outside columbus, ohio
    Tractor
    L3130 Kubota

    Default tiller leaking gear oil

    I've used this tiller lightly in the past and it has not leaked till this year when I put in a food plot. The leak you see took about 10 days to seep that much gear oil out.
    I attempted the quick fix of trying to tighten some bolts. None were loose. The leak is coming from the spot that you see the screwdriver marking.

    Is this a common problem? My buddy says tillers leak all the time. So, do I live with this?
    or
    What is the fix for this? Is this a big job?
    Attached Thumbnails Attached Thumbnails tiller leaking gear oil-dscf3618.jpg   tiller leaking gear oil-dscf3619.jpg   tiller leaking gear oil-dscf3620.jpg   tiller leaking gear oil-dscf3623.jpg   tiller leaking gear oil-dscf3624.jpg  


  2. #2
    Elite Member
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    JD LA115, WH 244, WH 525 hydro-pops,Original Troy Built Horse 8 HP

    Default Re: tiller leaking gear oil

    Quote Originally Posted by big e View Post
    I've used this tiller lightly in the past and it
    has not leaked till this year when I put in a food plot.

    The leak you see took about 10 days to seep that much gear oil out.

    I attempted the quick fix of trying to tighten some bolts, none were loose.

    The leak is coming from the spot that you see the screwdriver marking.

    Is this a common problem? My buddy says tillers leak all the time.

    *So, do I live with this? Or what is the fix for this? Is this a big job?


    About your tiller and its leak:


    What it is a wear problem and with debris being stuck near and on the
    tiller cross shaft which wears on the shaft and the seal lips wears on the
    seal and as result you have leaks eventually.

    A lot of it also comes from three things, one being a plugged vent in the gear box,
    lower quality seals without spring tension behind the seal lips, and overfilling
    the reservoir with gear oil.

    In order to replace the seal you have break the chain, remove the lock set screws on the shaft
    inside the gear box/chaincase or the castle lock nut and locking tabs if so equiped
    and release the set screws holding the bearings to the ends of the tiller shafts.
    If it is gear driven it takes a bit more work to disassemble as the gears must be
    reinstalled properly otherwise the gears willhave uneven wear and may suffer
    from a premature failure.


    The other thing is a gearbox or chain drive like this is splash lubricated and it
    does not take a lot of oil to seap out if it is overfilled.

    SO its a winter project if you have room and a heated shop to do it or simply draining
    the gearbox every time you finish using it and tagging the rototiller to remind you to
    put oil back into it before you use it.

  3. #3
    Bronze Member big e's Avatar
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    Default Re: tiller leaking gear oil

    Thanks Leonz!
    Are you in North East USA?
    Or Nebraska USA?

  4. #4
    Veteran Member
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    Monrovia, California
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    Kubota BX25

    Default Re: tiller leaking gear oil

    Mine leaks too, I am considering putting a very heavy
    oil in it and see what happens.
    Regards,

    Artisan

    Kubota 2012 BX25 (23H.P. / 17.7pto)
    14' Dump / Carson 12K Tow Trailer w/ movable Winch,
    Canopy, Tunes, Stabilizer Soft Pads, 10"-12"BH Buckets, FEL Grapple, Fasse Valved & Switched,
    Fire Extinguisher, ChainSaw Mount, Protective Surround / Enclosure in the works.

    Stayin' Alive (This click could save a life...)

  5. #5
    Elite Member
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    JD LA115, WH 244, WH 525 hydro-pops,Original Troy Built Horse 8 HP

    Default Re: tiller leaking gear oil

    Ah, so your familiar with the sugar beet country in Michigan and Nebraska?

    I am in the northeastern US.

  6. #6
    Bronze Member big e's Avatar
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    Default Re: tiller leaking gear oil

    No. If you were from Nebraska I was going to wish you luck this weekend in Columbus.

  7. #7
    Elite Member
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    JD LA115, WH 244, WH 525 hydro-pops,Original Troy Built Horse 8 HP

    Default Re: tiller leaking gear oil

    AH, thanks anyway I am a Cornell University hockey fan and I am
    hoping that we get to the frozen four this year.

    About your Avatar; Is she getting used to driving your mule or are you
    giving her preliminary driving lessons ?

  8. #8
    Elite Member
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    JD LA115, WH 244, WH 525 hydro-pops,Original Troy Built Horse 8 HP

    Default Re: tiller leaking gear oil

    If you use a heavier oil than a ninety weight with
    it you will be wasting your money as STP would
    be a better buy as it is almost the same consistancy
    as Gulf Mining Lube and it would be better for the tiller.

  9. #9
    Bronze Member big e's Avatar
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    Default Re: tiller leaking gear oil

    No driving yet but she sure does like to sit up there.

    Go Big Red! And go actual scholar athletes!

  10. #10
    Veteran Member
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    Kubota BX25

    Default Re: tiller leaking gear oil

    Quote Originally Posted by leonz View Post
    If you use a heavier oil than a ninety weight with
    it you will be wasting your money as STP would
    be a better buy as it is almost the same consistancy
    as Gulf Mining Lube and it would be better for the tiller.

    Nice! I do not think you need a whole lot
    of anything in there, I would think that so long
    as the lower gear and chain gets a dip that it
    will carry easily to the top...
    Regards,

    Artisan

    Kubota 2012 BX25 (23H.P. / 17.7pto)
    14' Dump / Carson 12K Tow Trailer w/ movable Winch,
    Canopy, Tunes, Stabilizer Soft Pads, 10"-12"BH Buckets, FEL Grapple, Fasse Valved & Switched,
    Fire Extinguisher, ChainSaw Mount, Protective Surround / Enclosure in the works.

    Stayin' Alive (This click could save a life...)

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