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  1. #1
    New Member
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    Jul 2016
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    4
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    maple valley
    Tractor
    branson 4020

    Default L5240 HST chatter

    Our L5240 recently developed a chattering in forward and reverse. Tractor is used for snow blowing in a mountain neighborhood. Tractor has 665 hrs. We had to relocate the tractor by driving it due to no chance of maintenance in the location where noise developed so by the time we had driven it to where we could park it for trailering it had become extremely noisy and now barely moves. It's a loud chattering while driving, if stopped no noise, it does not make noise while operating implement hydraulics ie joy stick or 3 point or steering only a drive noise. In my mind it's as if the HST pump has failed or acting like clogged filter but Fluid and filters have maybe 50 hrs on them and fluid is full. Changed filters today just to see what we could see and suction filter magnet was covered with metal and the fluid that we drained from the suction filter was full of metal. Any hip shoot ideas? I already plan on taking to dealer but was hoping to hear some thoughts. Thanks
    Mike

  2. #2
    Platinum Member
    Join Date
    Nov 2007
    Posts
    719
    Location
    PA
    Tractor
    Kubota L3130 HST 4x4

    Default Re: L5240 HST chatter

    I hope this isn't your issue, but given you are finding metal this thread might be helpful.

    http://www.tractorbynet.com/forums/k...ml#post4916919

    Read to the end as someone suggested there was a known problem on some of these units.

    Good luck and let us know the outcome so others can learn.
    Kubota L3130 HST 4x4, FEL LA723 w/QA and BH90 Backhoe
    Kubota L4740-3 Cab, HST, FEL w/Heavy duty bucket w/cutting edge
    Snow Blower: L2185 72" front mount w/hyd rotation and electric chute, 7' back blade, carry all, 48" Pallet Forks w/QA, Sun Shade, Turf tires & Rubber Chains for the winter, Extra forward and rear lighting. BearCat 73454 Wood Chipper. LandPride RCR2672 Rotary Cutter. Ballast Box Approximately 390 hours on L3130

  3. #3
    New Member
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    Jul 2016
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    4
    Location
    maple valley
    Tractor
    branson 4020

    Default Re: L5240 HST chatter

    Thank you moship, thats alot of information.

  4. #4
    Gold Member Adiredneck's Avatar
    Join Date
    Sep 2006
    Posts
    486
    Location
    Upstate NY
    Tractor
    2006 Kubota L3400DT, Kubota L5240

    Default

    How many hours on the 5240?
    2006 Kubota L3400 DT
    2007 Kubota L5240 HST
    Woods BH80X BH W/Thumb
    Bradco Pallet forks
    Wallenstein FX65 Skidding Winch

  5. #5
    Platinum Member
    Join Date
    Nov 2007
    Posts
    719
    Location
    PA
    Tractor
    Kubota L3130 HST 4x4

    Default Re: L5240 HST chatter

    OP stated 665 Hours in the original post.

  6. #6
    Elite Member rbargeron's Avatar
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    May 2000
    Posts
    2,806
    Location
    MA
    Tractor
    L5450, L48, L3250, L345

    Default Re: L5240 HST chatter

    Hip shot ideas: the symptoms sure point toward serious internal part failure. The problem might be in the HST, or it could be in the L-M-H range gears, or final drive gears/bearings, or even the brakes. Is it the same in 2wd/4wd?

    Which of the filter(s) had metal debris inside? To run a distance making that kind of noise it sounds like something beyond the HST - in the travel gearing somewhere. No harm in hoping for the least checkbook damage. But there will definitely be some. Best luck, Dick B
    L345, L3250, L48, L5450, never enough attachments

  7. #7
    New Member
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    Jul 2016
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    Location
    maple valley
    Tractor
    branson 4020

    Default Re: L5240 HST chatter

    Yes same in 2 or 4wd. It's definitely catastrophic failure of something expensive. Suction filter on R/H side of tractor was full of metal. It's the one with the magnet. The oil that drained out of the suction filter (aka Hydraulic filter) has so much brass in it that if it were gold I'd be rich. LOL. The Hst filter on the L/H side was clean and has no magnet to my knowledge.

  8. #8
    Gold Member Adiredneck's Avatar
    Join Date
    Sep 2006
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    486
    Location
    Upstate NY
    Tractor
    2006 Kubota L3400DT, Kubota L5240

    Default

    Quote Originally Posted by moship View Post
    OP stated 665 Hours in the original post.
    Whoops. I meant to ask what year.
    2006 Kubota L3400 DT
    2007 Kubota L5240 HST
    Woods BH80X BH W/Thumb
    Bradco Pallet forks
    Wallenstein FX65 Skidding Winch

  9. #9
    New Member
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    Jul 2016
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    maple valley
    Tractor
    branson 4020

    Default Re: L5240 HST chatter

    I believe it's a 2007.

  10. #10
    Gold Member Adiredneck's Avatar
    Join Date
    Sep 2006
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    486
    Location
    Upstate NY
    Tractor
    2006 Kubota L3400DT, Kubota L5240

    Default

    Quote Originally Posted by snoboy58 View Post
    I believe it's a 2007.
    Oh. So is mine. I hope I'm not looking at the same problem. I'll hit 1000 hours this year. I guess it's time for a filter change and autopsy.
    2006 Kubota L3400 DT
    2007 Kubota L5240 HST
    Woods BH80X BH W/Thumb
    Bradco Pallet forks
    Wallenstein FX65 Skidding Winch

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