People with x15 cummins. What’s your oil temp run?

Discussion in 'Ask An Owner Operator' started by Brandon0928, Sep 18, 2022.

  1. KrumpledTed

    KrumpledTed Medium Load Member

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    Axle temps are going to vary with application, ratio, ambient conditions, load, terrain etc. But more often than not your front drive is going to be 10-15* warmer than the rear drive in operating conditions due to the additional mass/use of the power divider.

    Running down the road with a full load on and collecting doors, my rears are anywhere from 160/150 to 220/210 (front/rear).
     
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  3. Stickyrock

    Stickyrock Bobtail Member

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    2019 X15 Oil 230 water 210 in heavy conditions. I’m always 90,000 lbs
     
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  4. ajax1337

    ajax1337 Light Load Member

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    Not to steal a post but, anyone have experience with the PDI dual oil cooler for the X15?
     
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  5. Tug Toy

    Tug Toy Road Train Member

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    I know that an ISX oil cooler thermostat starts to open at 233deg. My guess is that the X15 is the same way?
    I have a short nose 9200 international and my coolant really spikes once the oil stat starts to open, really got to be pulling hard to get the oil there but when it does I better be ready to pay attention.
     
  6. RoadRanger^^

    RoadRanger^^ Medium Load Member

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    My Cummins isx 15 2011 500hp, when running under normal conditions temperature is 210, when pulling loads on hills heavy load it can go to 230max i think.
     
  7. TheLoadOut

    TheLoadOut Road Train Member

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    Yes, I installed one. Made no difference at all in temps.
     
  8. BlackjackCo

    BlackjackCo Light Load Member

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    2025 W990 x15 Auto trans...... Oil temp 225-235...... Pulling 100000+ gvw

    Cummins guy told me they prefer running hotter than I was used to in other trucks said they originally had issues oil not getting warm enough.
     
    TheLoadOut Thanks this.
  9. ajax1337

    ajax1337 Light Load Member

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    Overland Park, KS
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    ####. That's tough
     
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