Caterpillar engine swap on new truck

Discussion in 'Trucks [ Eighteen Wheelers ]' started by petefan4000, Dec 25, 2020.

  1. petefan4000

    petefan4000 Light Load Member

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    If let's say I brought a new truck today and I decided to swap the engine out for a new C15 or C18 engine, what would need to be changed besides putting in the new engine?

    Would the engine mounts need to be changed?

    Can you install compression brakes (Jake Brakes) on today's C15's or C18's (as they're actually off-highway engines)?

    Would the ECM have to be re-flashed or something?

    What else would need to be changed?
     
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  3. GoneButNotForgotten

    GoneButNotForgotten Heavy Load Member

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    Why oh why would you even entertain such a thought? First off you would probably run into legal problems over the emissions. I can not even guess at all the parts/components that would need to be changed out, but I suspect this type of fantasy project would start out at $100,000 and keep on going from there.
     
  4. Socal Xpress

    Socal Xpress Road Train Member

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    If you have to ask..........
     
  5. petefan4000

    petefan4000 Light Load Member

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    Just a thought experiment.
     
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  6. GoneButNotForgotten

    GoneButNotForgotten Heavy Load Member

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    Christmas boredom already?
     
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  7. petefan4000

    petefan4000 Light Load Member

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    Yeah, almost absolutely nothing going on for me for the next two weeks.
     
  8. Cat sdp

    Cat sdp . .

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    Wiring harness........

    and I’m pretty sure cat won’t sell an on road crate engine unless you have a chassis vin from the correct year that you want the engine to be..... (but that’s a guess)
     
    Last edited: Dec 25, 2020
  9. Caterpillar Cowboy

    Caterpillar Cowboy Heavy Load Member

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    I've got to say it sounds like a fool's errand.

    If you're wanting to get a new truck with a Cat engine you'd be better off just building whatever you want with a E Model or C15 block and swapping it in. I'd start with the C15 block myself if money and time were not an issue to get the updated gaskets. So much simpler and honestly I highly dbout you would enjoy driving a modern day 2020 engine out of an industrial application.

    I can definitely tell the seat of the pants difference jumping from either my 5EK, 6TS or 6NZ and getting into the MXS Acert. The Acert motor feels like a leaned out pig, feels like it's using power that should be going to the wheels just to blow more air through the motor to lean it out and make it clean. And keep in mind the MXS Acert is still before all the aftertreatment hung off of and behind and programed into the motor. Hell I rode shotgun for about a thousand miles in one of those new X15's or one of the end of the ISX'es and could immediately tell I wouldn't care for it driving.

    I haven't had first hand experience hopping under the hood of a new in the last few years what, D8, 988 or 365 hoe, but that's what you would be finding the modern day C15's in in the industrial version. But I am sure your wiring and integration to a truck platform would require no less than two MIT graduate geniuses two months to complete. Then once you get it wired up you'd be in uncharted waters getting a tune for that motor to play nicely in a truck application.
     
  10. aaronpeterbilt3787

    aaronpeterbilt3787 Medium Load Member

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    It’s actually been done plenty of times. And for way less than $100,000. Why you ask? Cuz not everyone runs in the USA. Passing service shops and dealers every 35-50 miles. When you’re 50-100 miles in the bush in northern Ontario and your fancy new emissions motor derates to 5mph or shuts down all together, you’d quickly be deleting or swapping to a pre emission motor too.
     
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  11. Cat sdp

    Cat sdp . .

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    Have you been in a acert that has some timing and fuel adjustments .....?
     
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