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rpm problrm

  1. R

    '75 JD 310 rpm issue

    Afternoon all. I'm having trouble with my 75 310. It starts fine, but then will quickly lose rpm and then die. At start up, the throttle operates as it should, but quickly becomes useless as it starts slowing down. The colder it is the longer it'll run before losing rpm and dying, but it's...
  2. M

    Hitachi ZX350LCK-5G RPM problem

    We have the Hitachi ZX350LCK-5G excavator. Recently we are facing a problem with the machine RPM. Machine RPM decreasing but not increasing. When i decrease the RPM it goes down but when i try to increase it doesn't go UP again when turn down the RPM it goes more down and shut off. I tried the...
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