I have a 2010 B3030 HSTDCC that I purchased used with 42 hours on it in the fall 2010
Kubota bought it back from original purchaser due to a clunk when ever it changed direction
They install a new coupler from engine to hydrostatic unit,new hydrostatic unit,new rear diff,1 new rear axle & a wheel
This work required cab off & split which I was there to see it in many pieces with cab hanging 6 feet above the rest of the parts
Now it got all most 800 hours & never been 1 issue with anything related to that work
Keep all maintenance done to service manual been a wonderful unit
Been in automotive repair since 1980 & stopped counting to major repairs I've completed (frames on truck,cars,fire repairs etc)
It really depends on the person doing the work & if they care or the shop cares
If you can't tell it been apart usually a good sign they care if you can tell(looks out of place/sloppy/ not done as new)then you have issue
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