Mx-13 vs Cummins

Discussion in 'Kenworth Forum' started by Thetrashnoob, Mar 29, 2020.

  1. Thetrashnoob

    Thetrashnoob Light Load Member

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    May 30, 2019
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    Possibly looking for a t680. ive found a few 2017s with under 300k on them. How are people liking the auto trans? Kinda strange how it’s got like a car shifter. From my understanding they are 10 speeds?
    Ate the paccar engines still terrible and should be avoided?
     
  2. Bakerman

    Bakerman Road Train Member

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    Phoenix, AZ
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    An automatic transmission is just another electronically controlled piece of equipment they can go bad on you.
     
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  3. Thetrashnoob

    Thetrashnoob Light Load Member

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    May 30, 2019
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    So the mx13 and a 10/13 speed would be the way to go? It seems like the manuals are hard to find. I wanted to atleast look at the autos and see how they drive
     
    Last edited: Mar 29, 2020
  4. Dan1918A2

    Dan1918A2 Bobtail Member

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    Company I work for has mostly bought glider kits (Pete and KW), but has also been buying new trucks for the last 2 years.
    The T880s are MX13s with automatics, typically, and the 389s are MX13s with 13 speed manuals. They’re happy with the MX13 over the X15. They have a few of the X15s also, but the Paccars are the only ones they’re now buying. So it appears the MX isn’t as awful as it was a few years ago.
     
    alds Thanks this.
  5. Aamcotrans

    Aamcotrans Heavy Load Member

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    Strasburg, Va
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    The 12 speed auto is a great transmission.
    As for the Paccar, I have never had an issue in 300k miles.
     
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