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Is marine 2 cycle oil the same?

Discussion in 'Mechanic and Repair' started by DFW Area Landscaper, Oct 31, 2006.

  1. DFW Area Landscaper

    DFW Area Landscaper LawnSite Silver Member
    from DFW, TX
    Messages: 2,116

    Every time I am in Wal-mart, I always notice they have a 2 cycle oil, but it's labeled for marine use.

    Is this oil good for 2 cycle equipment?

    DFW Area Landscaper
  2. dmanb2b

    dmanb2b LawnSite Member
    Messages: 102

    NO - marine engines run cooler..ie water cooled vs air cooled
  3. 6'7 330

    6'7 330 LawnSite Bronze Member
    Messages: 1,821

    Marine oil is formulated for cooler running outboard motors.Non marine two cycle oils are formulated for hot running handheld equipment,chainsaws, trimmers etc.
  4. Envy Lawn Service

    Envy Lawn Service LawnSite Fanatic
    Messages: 11,087

    Yep... can't run that stuff in air cooled 2 strokes.
  5. lwcmattlifter

    lwcmattlifter LawnSite Senior Member
    from NC
    Messages: 859

    No, your not supposed to run TCW3 oil in air cooled power equipment. Marine grade TCW oil is designed for low rpm water cooled 2 cycle engines only. TCW oil has high flash point solvents which will leave deposits in a high heat/rpm air cooled engine in the form of sludge/gum. Air cooled 2 cycle equipment must have oil that meets ISO EGD or JASO FD standards, anything else won't lubricate properly.

  6. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Messages: 3,526

    Yep.......what they said^^^^^^^^^^^^^^^^^. I have used it but never got over 1 1-.5 years on my equipment, I switched oil and Im going 4-5 years on 2 cycle stuff now

  7. Runner

    Runner LawnSite Fanatic
    Messages: 13,497

    I've used it on numerous occasions, but I mix all my oil real rich. I run 4 oz. per gallon. My equipment has lasted me SEVERAL years. But to answer the original question...yes it is different. I would love to know the numbers though...to know just how significant of a difference there is.
  8. HenryB

    HenryB LawnSite Bronze Member
    Messages: 1,848

    A big LCO in my area has used it for years no problems. He gets a lot of life out of his 2 cycles. I even bought some used stuff (3yrs old) so I dunno if it really is bad.
  9. HenryB

    HenryB LawnSite Bronze Member
    Messages: 1,848

    Bought used two cycle equip from him, not used 2 cycle oil.:dizzy:

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