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  1. R

    2006 Cat 321c LCR Hydraulic thumb add on

    Thank you very much for this answer. I have some mechanics working on this as well and will pass over this useful info. Been trying to do some google research for days but not getting anywhere thank you again
  2. R

    2006 Cat 321c LCR Hydraulic thumb add on

    Wanting to add a hydraulic thumb to my 321c LCR. I have plumbing already but it is only one way flow with a foot pedal for a breaker. Wanting to change to 2 way flow to add a hydro thumb. Trying to do research to figure out where I need to start to do this conversion but coming up short...
  3. R

    Cat 321c hydraulic thumb

    Did you ever get this figured out? Have the exact same machine with plumbing but only one way flow with the foot pedal. Wanting to get the joysticks and change to two way flow to add thumb.
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