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  1. M

    Kubota 121-3 Thumb problem

    I have a thumb from USA attachments - I have broken the pivot pin twice in about 150 hours. USA attachments mentioned that I may need to lower the thumb pressure. I have the owners manual and service manual but I don't see any way to do it from the control panel. Does anyone know if there is a...
  2. M

    Kx 121-3 ss hydraulic thumb problem

    I have a thumb from USA attachments - I have broken the pivot pin twice in about 150 hours. USA attachments mentioned that I may need to lower the thumb pressure. I have the owners manual and service manual but I don't see any way to do it from the control panel. Does anyone know if there is a...