Cummins ISX15 550 CM2350 X101 reviews?

Discussion in 'Ask An Owner Operator' started by Thotphobia, Apr 21, 2021.

  1. Thotphobia

    Thotphobia Bobtail Member

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    Apr 21, 2021
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    Hey guys , this is my first post on here, I wanted to ask if any of y’all have or know anything about the Cummins ISX15 550 CM2350 X101. I’m planning on getting a 2017 KW with it. Want to know if it’s a good buy. Thanks drivers
     
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  3. jason6541

    jason6541 Road Train Member

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    Omaha, NE
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    Search button will bring up many posts on that subject
     
    Doealex Thanks this.
  4. Boosted_SC300

    Boosted_SC300 Light Load Member

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    Why you scared of thots my dude? Lol
     
  5. Thotphobia

    Thotphobia Bobtail Member

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    Apr 21, 2021
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    Lol they some hoes that’s why
     
  6. Mattmanstroked

    Mattmanstroked Light Load Member

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    Maintenance plays a big role in wether it will be a good engine or not.
     
    jason6541 Thanks this.
  7. Thotphobia

    Thotphobia Bobtail Member

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    Apr 21, 2021
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    Nah man I tried but none of them focus on the reliability etc.
     
  8. jason6541

    jason6541 Road Train Member

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    Omaha, NE
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    I do know the older ones have cam flaking issues, carbon packing around the rings and VGT turbo issues and egg problems. Haven’t owned one since the signature 600 came out back in mid to late nineties early 2000’s
     
    bzinger and Midwest Trucker Thank this.
  9. Midwest Trucker

    Midwest Trucker Road Train Member

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    The X15 is much better engine. It came out a year or so later then the one your looking at. Most of the issues were worked out by that late in the ISX life cycle but it won’t be as efficient as the X series. If you can afford it, then look a little newer.
     
    bzinger and AModelCat Thank this.
  10. bzinger

    bzinger Road Train Member

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    omaha , ne
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    I have not been very impressed with my 2013 isx 450 .
    It lived to 684k with good maintenance and carbon packing took out the liners .
    Complete inframe done in 2019 with new cam and last month at 228k I had the overhead done and the cam had a bad lobe on # 4 , of course Cummins said were real sorry blaa blah.
    So 5700.00 later it has an updated cam and rollers , also have to add this engine is deleted and never sees sooty oil anymore .
    Initially Cummins tried to blame my fleets oil supplier as they have had 6 other cam failures on x15s but this was proven wrong and Cummins has admitted they are still having cam issues .
    I'm on my last truck for my career but if I wasn't I'd look at other power options.
     
    Tug Toy Thanks this.
  11. SophiaWYO

    SophiaWYO Bobtail Member

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    I have a 2008 Cummins ISX CM871 in my truck and it's been an OKAY engine. Currently in the shop at Cummins where I live getting an complete in-frame. I had 1 cam flaking a tiny amount I COULD have re-used but decided I'd go ahead and get it replaced. I'm replacing all my rollers, jake components, and new liners and pistons. My head is good, thank God, that sucker was 4600.00 alone! I'm also keeping my injectors because there was nothing wrong with those. I only got 654,000 miles out of this engine since last rebuild. I've had cats, detroits and cummins. My all time favorite engine was my old N-14 red top 565 HP. I drove that thing for ever!!
    I probably have another engine or 2 in my future before I retire so I might as well get the most out of this truck before I let someone else have a whirl. My problem is I can't replace the tractor for anything near what I paid for it. I'm not about to spend 300k on a brand new 150 inch sleeper truck, no thank you!

    Happy trucking ladies and gentlemen!
     
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