Discussion in 'Mechanic and Repair' started by randy2625, Apr 21, 2004.

  1. randy2625

    randy2625 LawnSite Member
    Messages: 114

    when you guys say 10w-30 are you using oil made for lawnmowers or oil that you put in your trucks.kind of a dumb question but jsut maknig sure dont want to break my new gravely.
  2. mudpie

    mudpie LawnSite Member
    Messages: 45

    yes it`s the same type oil
  3. 65hoss

    65hoss LawnSite Fanatic
    Messages: 6,360

    Not really all the same. They do make oil designed for small air cooled motors.
  4. mudpie

    mudpie LawnSite Member
    Messages: 45

    the american petroleum institute uses a two letter class identifcation. vehicle type, and quality level. ratings that begin with "s" are for ALL gas engines. if it begines with "c" it is for diesel engines. the second letter designates the quality level of the oil the higher the letter the better the oil an "sj" oil can be used in any gas engine that requires sb,sg,sh, ect.

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