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correct hydraulic oil

  1. M

    Hitachi EX300LC-1 Hydraulic Oil Selection (ISO 68 vs ISO 46)

    Hi everyone I recently purchased a Hitachi EX300LC-1 in reasonable condition for a small granite mining operation. The machine will be using an NPK hydraulic breaker for around 50-60% of its operating time. I am unsure about the viscosity of hydraulic oil which should be used in the excavator...
    • MKF1
    • Thread
    • correct hydraulic oil ex300 hitachi hitachi 300 hydraulic oil
    • Replies: 14
    • Forum: Excavators
  2. Bobcat Crazy

    John Deere 310D cylinder issues. Hydraulic oil question?

    Hi All, I hope you are doing well today and having great day. I have a couple questions of you more experienced people than I. I have a JD 310D backhoe that we use around the family land, it is not used commercially anymore but was before I bought it. I seem to need the cylinders rebuilt more...
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