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Kubota 3450 GST Noise chatter

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MisterMike
Join Date: Jul 2005
Posts: 12 New Hampshire
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-09-22          180507


I have a 2008 Kubota 3540 with GST, experencing a chattering when shifting between different speeds and also with the shuttle shift. It occurs about 50% of the time. It doesn't happen with the foot clutch. It feels like an old oil soaked clutch but it only has 300 hours and I don't see any oil leaking. My L2900 with the GST I traded in shifted smoothly for 12 years. I called the dealer and they have never heard of this occuring. Any ideas what to look for.

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____________________________________________________________________________________
Kubota 3450 GST Noise chatter

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Murf
Join Date: Dec 1999
Posts: 7199 Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-09-22          180509


It sounds like the GST operation of the clutch is out of adjustment to me.

Clutch chattering usually means it's not fully releasing the clutch.

Does it happen, before, during, or after the shift?


Best of luck. ....

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____________________________________________________________________________________
Kubota 3450 GST Noise chatter

View my Photos
MisterMike
Join Date: Jul 2005
Posts: 12 New Hampshire
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-09-22          180511


It happens after the shift, just as the clutch reingages in the new gear. ....

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____________________________________________________________________________________
Kubota 3450 GST Noise chatter

View my Photos
Murf
Join Date: Dec 1999
Posts: 7199 Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-09-23          180527


Sounds like it's not so much out of adjustment then, but more likely just very slow disengaging fully.

While it's never happened to us, or at least not that I've heard of anyway, I have heard of it happening.

Try running it back and forth through the gears some and see if it improves with usage.

One last thought, when was the last time the hydraulic fluid was changed? I've heard of some smaller components like that acting up before when it was past due & dirty.



Best of luck. ....

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____________________________________________________________________________________
Kubota 3450 GST Noise chatter

View my Photos
MisterMike
Join Date: Jul 2005
Posts: 12 New Hampshire
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-09-23          180531


It's the original transmission oil with only 300 hours. ....

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____________________________________________________________________________________
Kubota 3450 GST Noise chatter

View my Photos
MisterMike
Join Date: Jul 2005
Posts: 12 New Hampshire
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2011-10-03          180670


I got my tractor back from the dealer today. I passed on the feed back I received from the Tractor Board when they picked it up. The dealer adjusted the GST in a way that makes the shifts stronger and they changed the transmission oil and filter. The chattering is gone. Thanks for the advice. ....

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____________________________________________________________________________________
Kubota 3450 GST Noise chatter

View my Photos
Murf
Join Date: Dec 1999
Posts: 7199 Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2011-10-04          180683


Glad you got the problem fixed, and that in some small way we could help.




Best of luck. ....

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