How often do you change oil?

Discussion in 'Trucks and Trailers' started by South Florida Lawns, Aug 10, 2006.

  1. South Florida Lawns

    South Florida Lawns LawnSite Platinum Member
    from usa
    Messages: 4,784

    I never go according to mileage, just when the change engine oil light comes on.

    Think about it, its more on engine hours than mileage, and we have a lot of traffic to sit in down here.

    Does anybody else do the same as me?

    BTW its with a Chevy Vortec, normally towing a 4,000lb trailer.
  2. grass_cuttin_fool

    grass_cuttin_fool LawnSite Gold Member
    Messages: 3,526

    I usually change every 5000 miles

  3. Brendan Smith

    Brendan Smith LawnSite Bronze Member
    Messages: 1,195

    during the season (when i'm towing about all the time) i run 20w50 and change it every 3k. in the off season, i run 10w30 and change it at 5k
  4. jt5019

    jt5019 LawnSite Bronze Member
    Messages: 1,432

    When i get the chance usually its around every 5k miles
  5. grassmanak

    grassmanak LawnSite Senior Member
    Messages: 792

    i change when it tells me too, Gm has the oil life system on the newer vehicles that goes by engine rpms, heat, hours, and calculates itself, i run synthetic as well.
  6. LawnScapers of Dayton

    LawnScapers of Dayton LawnSite Silver Member
    Male, from Dayton, OH
    Messages: 2,572

    My Cummins manual says every 7500 miles. I do it every 7000...
  7. LawnGuy73

    LawnGuy73 LawnSite Bronze Member
    Messages: 1,946

    I normally change it around 5000 miles, my manual also says 7500 but I still change it at 5000.
  8. mike lane lawn care

    mike lane lawn care LawnSite Bronze Member
    Messages: 1,707

    every 3,000 miles, i know oils now last a lot longer, but i feel better changing it at this interval.
  9. Jpocket

    Jpocket LawnSite Silver Member
    Messages: 2,281

    Every 2500 miles in my personal vehical, and two or three times a year in the work trucks, they only get about 3,000 mi a year, but they are hard hot miles.
  10. lawnspecialties

    lawnspecialties LawnSite Silver Member
    Messages: 2,524

    Every 5,000 in the diesel. Heck, it holds 15 quarts so it ought to be good with that.:)

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