Cummins NTC 475 Big Cam lll

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mmmc101, Nov 25, 2022.

  1. mmmc101

    mmmc101 Bobtail Member

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    Nov 25, 2022
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    I recently purchased this engine and would like to build it to it's factory configuration. Cummins S/N say's it is is a 1985 NTC 475 Big Cam lll with MVT, however I am missing the twin turbo's and piping as well as the Jake brakes. Exhaust manifold is there. So far I have been unable to find these pieces. What turbo would be compatible with this configuration? Also considering using a N14 CAC and intake manifold as opposed to the water/air. What model Jake's fit this engine? Thanks in advance for your input.
     
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  3. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    If my memory is correct, one of the CPL numbers for a 475 horse BC is CPL 586.

    Finding those parts will be a little difficult, but I’m sure they will pop up somewhere.

    Do you know the CPL number for your engine? I can possibly get you the Cummins part numbers.

    Sadly Cummins is going to quit supporting the BC, and maybe already have, other than what stuff is on the shelves…
     
  4. mmmc101

    mmmc101 Bobtail Member

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    Nov 25, 2022
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    Yes the CPL is 586. I was hoping to find one someone had replaced with a single turbo. I haven't tried Cummins to see if they had the components yet. I am afraid the price might be more than makes since just to put it back to original build configuration. Thanks
     
  5. xsetra

    xsetra Road Train Member

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    There are many truck recyclers that might have the parts you need.
    Good Luck
     
  6. OLDSKOOLERnWV

    OLDSKOOLERnWV Captain Redbeard

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    West Virginia
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    Well here’s ya some part numbers to try and cross over….

    16292BA7-2E70-44C4-966B-FC2A07EEDE19.jpeg
     
    xsetra Thanks this.
  7. mmmc101

    mmmc101 Bobtail Member

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    Nov 25, 2022
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    Thanks. I am going to Cummins on Monday to see if the piping is still available. Still hoping to build it back original.
     
    OLDSKOOLERnWV Thanks this.
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