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New PACCAR motor. Reminds me of E7 Mack

Discussion in 'Experienced Truckers' Advice' started by Tazz, Aug 10, 2011.

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  1. Aug 10, 2011 #1
    Tazz

    Tazz Road Train Member

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    Anyone else got one of these new engines. It's like they went and goot Macks old designs.

    Trying some stuff with the computer but #### they are flat 1100-1250 rpm. Interested to hear if anyone gets some low end pull out of them. Our biggest pain is getting them sinc'd well with tranny.
     
    Tazz, Aug 10, 2011
    Tazz, Aug 10, 2011
    #1
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  3. Aug 12, 2011 #2
    Jfaulk99

    Jfaulk99 Road Train Member

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    from the few running them that I've talked to they're pretty good on fuel, horrible on power.
     
    Jfaulk99, Aug 12, 2011
    Jfaulk99, Aug 12, 2011
    #2
    Tazz Thanks this.
  4. Aug 12, 2011 #3
    Powell-Peralta

    Powell-Peralta Road Train Member

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    So who actually makes the paccar engine? i know it says paccar on the valve cover but......
     
    Powell-Peralta, Aug 12, 2011
    Powell-Peralta, Aug 12, 2011
    #3
  5. Aug 12, 2011 #4
    Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Paccar are there OWN company. Everyone know's them, they built Peterbuilt's and Kenworth's.
     
    Diesel Dave, Aug 12, 2011
    Diesel Dave, Aug 12, 2011
    #4
  7. Aug 12, 2011 #5
    Tazz

    Tazz Road Train Member

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    Supposedly they are PACCAR built(?). Up in Washington state I think.

    It does alright once you rev to 1250 or so then it pulls like a champ. Until then it just pulls real flat. Close to the same displacement as the old macks at 12.9. Maybe it's a size thing.

    My new truck with the climbacab system is still 100 lbs lighter with all my gear in it. Had to bring a guy up to Baltimore to pick up a truck from the shop. He thought it pulled better than his ISX, and loved the engine brakes. Ours are programed to work with the cruise to engage when you exceed set MPH(when you have them engaged). I think they work well as well.

    Just getting used to it I guess.
     
    Tazz, Aug 12, 2011
    Tazz, Aug 12, 2011
    #5
  8. Aug 12, 2011 #6
    Jfaulk99

    Jfaulk99 Road Train Member

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    the PX-6 & PX-8 are rebadged Cummins, the MX in the bigger trucks is Paccar.
     
    Jfaulk99, Aug 12, 2011
    Jfaulk99, Aug 12, 2011
    #6
  9. Aug 12, 2011 #7
    G/MAN

    G/MAN Road Train Member

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    Paccar has an engine plant in Columbus, MS.
     
    G/MAN, Aug 12, 2011
    G/MAN, Aug 12, 2011
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    Tazz Thanks this.
  10. Aug 13, 2011 #8
    king Q

    king Q Road Train Member

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    The 12,9l is a DAF motor and since Paccar own
    DAF trucks they have adopted it as their own.
    We run DAF trucks as well as trucks with , Volvo,Cat,Cummins & Detroit.
    They are better on fuel and pull as as well as the others of the same HP.
    On the trucks we have with them in we have intarders in the gearboxes so I cant comment on the engine brakes.
     
    king Q, Aug 13, 2011
    king Q, Aug 13, 2011
    #8
  11. Aug 13, 2011 #9
    Powell-Peralta

    Powell-Peralta Road Train Member

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    Yes, i know; It just seems not very cost effective considering i don't think "Paccar" ever really made their own engines until now?


    i guess a better question would have been who designed the new "paccar" engine? It does not seem very cost effective move to start designing/building engines at this stage of the game. Sort of like if gm decided to manufacture tires or something.
     
    Powell-Peralta, Aug 13, 2011
    Powell-Peralta, Aug 13, 2011
    #9
  12. Aug 13, 2011 #10
    Powell-Peralta

    Powell-Peralta Road Train Member

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    Alright, it looks like DAF designed (and has built) this engine. See, i knew it---they pete and kw didn't design or build the engine.


    i know paccar owns daf and all so technically it is a paccar design, but i meant american paccar for all practical purposes.
     
    Powell-Peralta, Aug 13, 2011
    Powell-Peralta, Aug 13, 2011
    #10
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