3406E Harmonic Balancer

Discussion in 'Trucks [ Eighteen Wheelers ]' started by sailboatjim, Mar 11, 2015.

  1. sailboatjim

    sailboatjim Light Load Member

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    Aug 27, 2014
    Boston, Mass
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    3406E 5EK51510
    Harmonic Balancer is not a Fluid type.
    It's two piece with rubber and it's really wobbling bad.
    Is this the correct Balancer or has someone already changed it?
    I just had the motor inframed and head replaced and have made a few loads and got to looking at it today with hood down and it's really wobbling bad.
    I bought the truck in 2010 and have been running it since. It in a 96 International.
    I've seen this before on cars before they come apart.

    Is this the same Balancer as the 3406C and/or B?
    I assume this is a really early E model or it has the wrong balancer on it.

    Can anyone tell me what hp the motor is? I'm guessing 430 or so.
    Never been turned up but I would like to.
     
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  3. sailboatjim

    sailboatjim Light Load Member

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    Aug 27, 2014
    Boston, Mass
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  4. swaan

    swaan Road Train Member

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    Not sure but I always thoght the electronic engines had viscous dampers on them. Reguardless thou, get that thing off ASAP before it flys apart and goes through your rad and leaves you stranded some where. Go to cat or peterbuilt or whoever with your serial # and get a replacement. New one will be fluid for sure.
     
  5. sailboatjim

    sailboatjim Light Load Member

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    This one isn't viscous for sure
     
  6. swaan

    swaan Road Train Member

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    Like I said. I would Replace it ASAP.
    The new one will be fluid. New around $600
    At least they were
     
  7. Cat sdp

    Cat sdp . .

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    Yes , get that pos balancer off ASAP ......
    No shop in their right mind would inframe an engine and leave that 2 piece on there...

    Some of the 5EK engines have aluminum pistons and can't be just turned up...
     
  8. T800H

    T800H Medium Load Member

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    replace it now, I would be afraid to drive it to the shop, it can brake the fly wheel bolts and or the crank shaft.


    edit:Vibratech Damper
     
    SHO-TYME Thanks this.
  9. sailboatjim

    sailboatjim Light Load Member

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    Boston, Mass
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    All the pistons have been replaced.
    I think the kit was from California.
    IPD
    http://www.ipdparts.com

    Honestly, I would be happy with more torque and the same HP.
     
  10. sailboatjim

    sailboatjim Light Load Member

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    Boston, Mass
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    I think the cat experts are gone from here.
    No one knows the informations asked and no one knows any alternatives to cat?
     
  11. Dorsey

    Dorsey Medium Load Member

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    What about pdi or Pittsburgh powers balancers? Are they any better than stock?
     
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