Cylinder Heads - Cat C15, C16, C18 and 3406E

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Daniel Otto, Aug 14, 2019.

  1. cswolley

    cswolley Bobtail Member

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    Feb 22, 2019
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    What things do I need to change to make it run well?
     
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  3. Intothesunset

    Intothesunset Road Train Member

    2,290
    4,874
    Apr 15, 2019
    truck
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    Money or lots of skill.
     
  4. Superhauler

    Superhauler TEACHER OF MEN

    12,209
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    Jan 30, 2010
    keep stroking.
    0
    Nxs and 6nz are same block.
     
    spsauerland and pushbroom Thank this.
  5. DieselTech_Aus

    DieselTech_Aus Light Load Member

    274
    309
    Dec 20, 2017
    WA
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    heads are fundamentally the same and will all bolt on.

    differences are part number valve, guide and seat fitted. physically the same dimensions but varied material and strength.

    port thread. some are UNO ports others are tapered. CAT do sell a conversion kit of fittings to move from tapered to UNO.
     
    Daniel Otto and spsauerland Thank this.
  6. B&D international

    B&D international Bobtail Member

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    0
    Feb 22, 2023
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    Are all 5ek 3406e cranks the same? I just had mine Crack the block but I have another one that has a spun bearing but good block any one know for sure that they are all the same
     
  7. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    The cranks will all interchange, I hate to use the word the same but yes they are same. If the motor with spun bearing spun a main odds of it being useable without machine work are terribly slim.
     
    Oxbow Thanks this.
  8. B&D international

    B&D international Bobtail Member

    2
    0
    Feb 22, 2023
    0
    Thank you and it's a spun rod bearing
     
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