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Eaton Fuller 18 Speed Question

Discussion in 'Trucks [ Eighteen Wheelers ]' started by jlittle0018, Oct 13, 2015.

  1. Oct 13, 2015 #1
    jlittle0018

    jlittle0018 Bobtail Member

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    Oct 13, 2015
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    Looking to buy a used Eaton 18 spd. Trans is out of the truck on the ground. When you put the shifter in gear, the output shaft will still turn. Is this normal???
     
    jlittle0018, Oct 13, 2015
    jlittle0018, Oct 13, 2015
    #1
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  3. Oct 13, 2015 #2
    lester

    lester Midwest's #1 Feed Hauler

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    Well is the input spinning?
     
    lester, Oct 13, 2015
    lester, Oct 13, 2015
    #2
    jlittle0018 Thanks this.
  4. Oct 13, 2015 #3
    jlittle0018

    jlittle0018 Bobtail Member

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    Oct 13, 2015
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    No. Not in gear.
     
    jlittle0018, Oct 13, 2015
    jlittle0018, Oct 13, 2015
    #3
  5. Oct 13, 2015 #4
    AModelCat

    AModelCat Road Train Member

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    I should hope so. No different than if you were coasting in gear. Just as long as the input shaft turns at the same time while in gear.
     
    Last edited: Oct 13, 2015
    AModelCat, Oct 13, 2015
    AModelCat, Oct 13, 2015
    #4
    jlittle0018 Thanks this.
  7. Oct 13, 2015 #5
    jlittle0018

    jlittle0018 Bobtail Member

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    Okay, I was thinking the back should turn with the front..
     
    jlittle0018, Oct 13, 2015
    jlittle0018, Oct 13, 2015
    #5
  8. Oct 13, 2015 #6
    AModelCat

    AModelCat Road Train Member

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    Not sure what you mean. The output should turn regardless if the trans is in neutral or a gear. If the output turns when you spin the input and your in neutral, it could possibly be an issue. Could also just be a little bit of drag.
     
    AModelCat, Oct 13, 2015
    AModelCat, Oct 13, 2015
    #6
    jlittle0018 Thanks this.
  9. Oct 13, 2015 #7
    jlittle0018

    jlittle0018 Bobtail Member

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    Oct 13, 2015
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    Awesome! That's what we were needing to know!

    Great help!!!
     
    jlittle0018, Oct 13, 2015
    jlittle0018, Oct 13, 2015
    #7
  10. Oct 13, 2015 #8
    jlittle0018

    jlittle0018 Bobtail Member

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    Oct 13, 2015
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    I haven't figured out the quoting yet on here. I am sorry!
     
    jlittle0018, Oct 13, 2015
    jlittle0018, Oct 13, 2015
    #8
  11. Oct 13, 2015 #9
    AModelCat

    AModelCat Road Train Member

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    I should add that if the transmission is in the truck then no you won't be able to turn the output shaft when in gear because you will be trying to turn the engine over as well.
     
    AModelCat, Oct 13, 2015
    AModelCat, Oct 13, 2015
    #9
  12. Oct 14, 2015 #10
    BoxCarKidd

    BoxCarKidd Road Train Member

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    Confusing! Get someone who knows what they are looking at to knock the top off. Not much of the back section can be seen but that gets the pig out of the poke. It maybe possible to turn the input without the output turning when the shift lever is in gear because there is no air to hold the range and deep reduction engaged. I like the new look Northern. Did you get the frame finished?
     
    BoxCarKidd, Oct 14, 2015
    BoxCarKidd, Oct 14, 2015
    #10
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