Feedback on the 2015 or newer Cummins ISX-15

Discussion in 'Kenworth Forum' started by Hegemeister, Aug 26, 2015.

  1. Hegemeister

    Hegemeister Road Train Member

    1,912
    1,660
    Jun 16, 2012
    Mechanicsburg, PA
    0
    Purchasing a new T680 and I have a choice between the ISX-15 or the Paccar MX13.
    I believe the after treatment systems have come a long way since 2012, but I'm interested in 3 things.

    1. day to day reliability
    2. miles before overhaul
    3. fuel mileage

    I see a new ISX-15 for sale I want to pull the trigger on. Just want to make the best motor choice for me.

    It's all dry van up to 80k lbs. Flat and hills.

    Thanks for any help to make an important decision.
     
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  3. XCELERATIONRULES

    XCELERATIONRULES Medium Load Member

    492
    492
    Dec 29, 2014
    0
    All the trucks in our fleet get 7 mpg,doesnt matter if its dd,cummins,mx13.
    I had the luck of having my truck,mx13 uncorked,when computer went on the fritz...what a difference driving a powerfull truck!
    Lemons come in all flavors..choose the truck you really like,blow it up,and install a cat!
     
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