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  1. TANDWTRUCKING

    Komatsu PC78

    John C. I think i figured out the issue, read above post. I will refer back to your information above for future issues. Thanks again.
  2. TANDWTRUCKING

    Komatsu PC78

    Steve, Yes I think I figured out the problem. I recently had removed my joysticks to trace my pilot lines. I converted the machine over to J/D operation and in doing so the left joystick must not have gotten tightened up all the way. I tightened the joystick up and have loaded about 100 ton of...
  3. TANDWTRUCKING

    Komatsu PC78

    Will check it out 2maro.
  4. TANDWTRUCKING

    Komatsu PC78

    John C, here is the serial I.D tag and the monitor panel.
  5. TANDWTRUCKING

    Komatsu PC78

    No, it happens while I'm moving the sticks.
  6. TANDWTRUCKING

    Komatsu PC78

    Can somebody point me in the right direction. The machine is new to me. Just starting to become familiar with the machine. Was digging out some stumps the other day and while digging the engine goes into what I can eco mode where the engine returns to idle even though I'm digging with it. There...
  7. TANDWTRUCKING

    Komatsu PC78 questions

    Appreciate the responses. Thanks.
  8. TANDWTRUCKING

    Komatsu PC78 questions

    So what does a "Gray market machine" mean?
  9. TANDWTRUCKING

    Komatsu PC78 questions

    Yes, it does change the pattern, but unfortunatley, none of the options are SAE pattern
  10. TANDWTRUCKING

    Komatsu PC78 questions

    Hello, My first Komatsu excavator here. Wondering is somebody could give me the model year of this machine? I'm also looking for advice on how to convert the pattern selector over to SAE/ JD controls?
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