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Which n14 do I have?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by irishluck09, Apr 16, 2025.

  1. Apr 16, 2025 #1
    irishluck09

    irishluck09 Light Load Member

    268
    133
    Nov 24, 2019
    0
    I can’t figure out exactly which n14 I have and what torque specs I use when doing an in frame?
    I know it’s not a STC, I have an ECM.
    S/N 11868318
    CPL-2025.

    my book is for stc, celect and celect plus models. I’m pretty sure mine is just the n14 so what torque specs do I use?
     
    irishluck09, Apr 16, 2025
    irishluck09, Apr 16, 2025
    #1
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  3. Apr 16, 2025 #2
    bjytech

    bjytech Light Load Member

    229
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    Nov 9, 2013
    Ohio
    0
    You have a N14 Celect plus built in 1997 so should use all the latest torque specs. Other than the main bolt torque, that has a break at serial# 11875596 so for that you use the older block torque specs. (final main bolt torque of 255 ft-lb)

    You can also make a free account on cummins quickserve to get access to the latest online manual for your engine. (free account allows up to 5 serial numbers) Cummins QuickServe Online
     
    Last edited: Apr 16, 2025
    bjytech, Apr 16, 2025
    bjytech, Apr 16, 2025
    #2
  4. Apr 16, 2025 #3
    irishluck09

    irishluck09 Light Load Member

    268
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    Nov 24, 2019
    0
    Yea i tried it on the website and for some reason my serial number wouldnt pull anything up. So I just went and bought a service manual from cummins directly
     
    irishluck09, Apr 16, 2025
    irishluck09, Apr 16, 2025
    #3
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