Cummins isx 15 changes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Cw5110, Sep 7, 2016.

  1. Cw5110

    Cw5110 Heavy Load Member

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    Oct 19, 2013
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    Hey i was wondering if anyone knew if their were changes done in the ISX motor that made it better from 2014 to today. Im asking is because im considering buying a 2014 KW 660 with an ISX15 but was curious when they made changes in those motors.
    Thanks for the help.
     
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  3. simon999

    simon999 Light Load Member

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    Feb 6, 2014
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    In the summer of 2015 cummins added liner antipolishing rings due to piston carbon packing issues.
     
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  4. Truck engine machinist

    Truck engine machinist Light Load Member

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    Dec 2, 2011
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    I am warning everyone, to avoid 2010 to 2013 ISX engines, because they (could) have 152 mm liners. I am finding many of those counterbores cracked. Some are cracked so badly, that a chunk of cast iron broke off of the counterbore. If you have one that is cracked, I have .090" and .116" S/S shims that will probably salvage your block. 2014 engine should not have that problem.
     
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