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what c15 do i have??

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by wtokhi, Apr 3, 2020.

Page 1 of 4
  1. Apr 3, 2020 #1
    wtokhi

    wtokhi Light Load Member

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    Nov 3, 2017
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    hello,
    i have an 2001 kenworth w900l with a c15 acert, i have no idea what type of c15 it is, i have some pretty good cat knowledge, i know its an acert bcs of the twin turbo and precooler set up, possibly MXS or BXS, but the valve cover just says c15, the truck originally came with a 6NZ but unfortunately it was swapped out before i bought it :( the parts all seem to come from different engines that fit each other but i have no idea, here are some pics that can help a more trained eye. i do have this part number off the front cover, 177-4153, also i know i could plug in a computer and see the serial number from the ecu but im not even sure this ecu is for this engine since so many things were changed out, thanks!

    c15 1.JPG c15 2.JPG c15 3.JPG c15 4.JPG c15 5.JPG c15 6.JPG
     
    wtokhi, Apr 3, 2020
    wtokhi, Apr 3, 2020
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  3. Apr 3, 2020 #2
    Chubby Fly

    Chubby Fly Medium Load Member

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    I started reading thread and said to my self why the hell a accert in a 2001. Probably got a scrap motor out of a wrecked truck
     
    Chubby Fly, Apr 3, 2020
    Chubby Fly, Apr 3, 2020
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  4. Apr 3, 2020 #3
    Dodsonf855

    Dodsonf855 Bobtail Member

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    I was thinking the same thing.... a accept didn’t come factory in 01
     
    Dodsonf855, Apr 3, 2020
    Dodsonf855, Apr 3, 2020
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  5. Apr 3, 2020 #4
    Chubby Fly

    Chubby Fly Medium Load Member

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    Delete the twins and do the single swap asap
     
    Chubby Fly, Apr 3, 2020
    Chubby Fly, Apr 3, 2020
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  7. Apr 3, 2020 #5
    wtokhi

    wtokhi Light Load Member

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    yeah but im tryna find out if its a '04 acert or an '07, im in california and those years make a difference
     
    wtokhi, Apr 3, 2020
    wtokhi, Apr 3, 2020
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  8. Apr 3, 2020 #6
    wtokhi

    wtokhi Light Load Member

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    these acerts actually aint that bad, this ones got good power too
     
    wtokhi, Apr 3, 2020
    wtokhi, Apr 3, 2020
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  9. Apr 3, 2020 #7
    Chubby Fly

    Chubby Fly Medium Load Member

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    They have good power. Was just thinking longevity. The twins was to confirm to emissions standards
     
    Chubby Fly, Apr 3, 2020
    Chubby Fly, Apr 3, 2020
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  10. Apr 3, 2020 #8
    AModelCat

    AModelCat Road Train Member

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    Look at the S/N stamped on the block. That'll tell ya.

    Pretty sure Cali would be a no go with either the MXS or BXS. Probably the only CAT you might be ok for Cali with would be an SDP.
     
    AModelCat, Apr 3, 2020
    AModelCat, Apr 3, 2020
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  11. Apr 3, 2020 #9
    swaan

    swaan Road Train Member

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    Looks like a 6nz that someone just bolted twins on.
    Contrary to popular belief accert twins work very very well and support HP upgrades . Guy probably picked up used set twins off someone doing a single conversion.

    I only see 1 pass through harness on valve cover spacer plate. Looks like a 6nz to me.
     
    swaan, Apr 3, 2020
    swaan, Apr 3, 2020
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  12. Apr 3, 2020 #10
    wtokhi

    wtokhi Light Load Member

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    theres a lot of wiring just hanging, like for the coolant diverter valve and stuff, are there any other indicators that its still a 6nz?
     
    wtokhi, Apr 3, 2020
    wtokhi, Apr 3, 2020
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