Paccar MX13 idling

Discussion in 'Kenworth Forum' started by Tanker Life, May 20, 2020.

  1. Tanker Life

    Tanker Life Bobtail Member

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    Aug 17, 2019
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    I try to idle my engine as little as possible, but sometimes I have to. I've heard that Paccar engines should be idled at 800-1,000 rpm to get oil to the top of the engine. Is this true in all cases? Let's say I'm idling with the a/c on for an hour, should I increase the rpm? I have a 2021 T680 with a 510 MX13 Paccar engine and Paccar transmission. Thank y'all for any feedback!
     

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  3. GrimOxford

    GrimOxford Bobtail Member

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    May 20, 2020
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    Regardless of the oil getting to the top of then engine or not being true or not, the bigger reason I know of is to prevent dpf buildup by keeping the exhaust hotter so less soot builds up.
     
    magoo68 Thanks this.
  4. Tanker Life

    Tanker Life Bobtail Member

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    Aug 17, 2019
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    Ahhh, that makes sense. Thank you.
     
  5. Roberts450

    Roberts450 Road Train Member

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    First thing to find out is if setting the idle up in the “pto” mode cancels the engine’s ability to preform auto regen’s. If it does I would suggest not idling it up, and letting it do its own thing.
     
    Tanker Life Thanks this.
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