Engine oil?

Discussion in 'Mechanic and Repair' started by shawn d, Aug 28, 2009.

  1. shawn d

    shawn d LawnSite Senior Member
    Messages: 388

    I was just wondering what engine oil you guys use in your mowers, Just wondering if you use automotive oil or what is best to use.

    Thanks for any help!
  2. Shasta Lake Landscaping

    Shasta Lake Landscaping LawnSite Senior Member
    Messages: 436

    Mobil 1 at manufactures recommended weight.
  3. Jason Rose

    Jason Rose LawnSite Fanatic
    Messages: 5,858

    Amsoil 10w30 specific for air cooled small engines.
  4. 4.3mudder

    4.3mudder LawnSite Silver Member
    Messages: 2,227

    Rotella 15W40 Diesel oil in all my stuff, yes, for gasoline 4 cycle engines.
  5. lifetree

    lifetree LawnSite Fanatic
    Messages: 5,369

    You should use Dino oil for at least the first 100 hours of use on a new machine ... then maybe somewhere around 150 hours I go to full synthetic, manufacturer recommended weight !!
  6. Shasta Lake Landscaping

    Shasta Lake Landscaping LawnSite Senior Member
    Messages: 436

    Yes good point dino until rings seat/gaskets seal.
  7. soloscaperman

    soloscaperman LawnSite Gold Member
    Messages: 3,045

    Kohler says you can change to syn oil when you hit 50 hours
  8. topsites

    topsites LawnSite Fanatic
    Messages: 21,653

    Full synthetic always, only thing I keep dino around is one machine takes 20w-50 as hydraulic oil,
    another takes a 10w-30 non-detergent motor oil, couple of other odd applications.

    Everything else I run 10w-30 Full synthetic, cars, truck, the equipment, yes, everything else.
  9. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Messages: 3,526

    Same here...diesel oil is a severe duty oil and will hold up in air cooled engines
  10. Columbia Care

    Columbia Care LawnSite Member
    Messages: 158

    I have been using Valvoline 30W for years without any issues on my equipment.

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