Cascadia with cummins isx

Discussion in 'Freightliner Forum' started by Mraj22, Mar 15, 2015.

  1. Gio1980

    Gio1980 Bobtail Member

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    Sep 3, 2023
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    I have a 2016 w isx15 2350, 880k miles getting 9.2 mpg, never been deleted. Regular oil change every 15k conventional spring and fall, synthetic summer and winter. I run a lithium battery mini split so it's never idled, ever. Changed nox sensors 1 time, fan clutch 1 time recently, all the air bags recently, 1 radiator, and it will be a while until it needs an inframe. Keep it clean, check for exhaust leaks, cause it hurts the mpg, air leaks, hurts mpg. Change all plastic and rubber every 4 years, air valves every 6 years and you'll have a very reliable truck. Inframe will be done at 1 million hopefully.
     
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  3. snowwy

    snowwy Road Train Member

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    Isx15 doesn't like Lucas.

    It doesn't like Mobil either.
     
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  5. Gio1980

    Gio1980 Bobtail Member

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    Sep 3, 2023
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    Has to be delo or Rotella
     
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