Replacing a manual for a automatic

Discussion in 'Peterbilt Forum' started by Josywells123, Aug 31, 2019.

  1. Josywells123

    Josywells123 Bobtail Member

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    Could you replace a 18 speed manual transmission for remanufactured Ultra
    shift in a 2014 Pete 389 ?
     
  2. Dino soar

    Dino soar Road Train Member

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    I would never replace a manual transmission, especially an 18-speed, with any automated transmission.
     
    Rubber duck kw, G13Tomcat and x1Heavy Thank this.
  3. x1Heavy

    x1Heavy Road Train Member

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    Don't do it. You will be so sorry.

    What you are going to get when you fire that thing up after that surgery is something that will cause you to turn your back on everything trucking.
     
  4. shogun

    shogun Road Train Member

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    Ultrashifts are junk, trust me.
     
  5. snowwy

    snowwy Road Train Member

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    You probably could. But do you have the money and the time for breakdowns is the question.

    It won't be a cheap and easy task. You'll need wiring and the ecm also. And whatever adapters or engineering might be needed.

    You'd be better of just buying a truck already equipped. Why would be beyond us. But who are we to question what you want. We all have our wants and needs.
     
    Diesel Dave Thanks this.
  6. Josywells123

    Josywells123 Bobtail Member

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    I have a knee replacement on the left side, cluching all day otr could become a lil painful. Just like most , i love the 389 and dont wont to fork out 175,000 on a new 389 with that set up. A 13-14 is in range , just wondering if the transmission change from manual to automatic was something that could be done..
     
    snowwy Thanks this.
  7. Dino soar

    Dino soar Road Train Member

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    It is understandable with your knee issue.

    You would have to see what the cost would be and if the truck you have is worth putting that much money into.

    Then you would have to find a shop that's competent enough to not just swap the Transmissions but to be able to understand everything electronically that needs to be done.

    For sure there would be nothing inexpensive about it.
     
  8. 12 ga

    12 ga THE VIEW FROM MY OFFICE

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    Two words for you brother. FLOAT GEARS. It's free.
     
    Roger McG and buddyd157 Thank this.
  9. daf105paccar

    daf105paccar Road Train Member

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    Would a conversation to a hydraulic clutch help you?
     
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