Grade of Oil

Discussion in 'Class A / Diesel Pushers' started by tallyo, Jan 29, 2008.

  1. tallyo

    tallyo New Member

    Does anyone recommend anything other than 5W-30 oil for an Onan 5500 gas generator?
     
  2. DL Rupper

    DL Rupper Senior Member

    Re: Grade of Oil

    Onon calls for 15W-45 oil on my Propane Onon Emerald 4000.
     
  3. rjann

    rjann New Member

    RE: Grade of Oil

    My 2002 Onan calls for 15-30.
    Interesting how different they are.
     
  4. DL Rupper

    DL Rupper Senior Member

    Re: Grade of Oil

    I mis-posted. My propane fueled Onon calls for 15W-40. :bleh:
     

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