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  1. K

    Mx45 ditch witch, komatsu pc45mr-1 weak final drive

    Hello all. I have a ditch witch mx45, same as komatsu pc45mr-1 with 2900 hrs. The right final drive gets weak when the unit gets warmed up. Everything else seems to work ok, no trouble with blade or boom acting strange while digging. This low of hours, do you think the swivel joint could be bad...
  2. K

    Komatsu pc45mr-1 weak right final drive

    Hello all. I have a komatsu pc45mr-1 ( ditch witch mx45). 2900hrs. Right side is weak when unit gets warm. Everything else seems to be ok power wise. Could swivel be bad ? Or final drive weak? Changed oil in finals, looked good... Not dark, no metal filings, did not smell bad. Thanks for any help.
  3. K

    Ditch with mx45 (komatsu pc45mr-1) , weak final drive issue

    Also. Can I access the swivel joint from the below access panel to rebuild it? From the top looks impossible without removing the entire platform and controls. Thanks again.
  4. K

    Ditch with mx45 (komatsu pc45mr-1) , weak final drive issue

    Hello all. Have a ditch witch mx45 with 2900 hrs. Bought with 2500 hours.mright final drive is weak when machine gets warm. I am going to do a case drain test on final drive soon. But I can't help think it may be swivel joint instead. Neither side is strong enough to turn machine in high speed...
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