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Advice on IXS 15 550 HP or MX 500 HP

Discussion in 'Canadian Truckers Forum' started by justlake, Sep 9, 2013.

Page 1 of 6
  1. Sep 9, 2013 #1
    justlake

    justlake Bobtail Member

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    Nov 29, 2012
    0
    I was looking for some advice as I read a post that oneaday had posted about his new Pete 389 blue with ISX 15 550 2050.

    Was at the Pete dealer today and he informed me that the MX13 500 1850 will be a more reliable engine along with better fuel mileage.

    Would like to know how oneaday is making out with his.

    Thanks
     
    justlake, Sep 9, 2013
    justlake, Sep 9, 2013
    #1
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  3. Sep 9, 2013 #2
    poppapump1332

    poppapump1332 Road Train Member

    2,987
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    Jan 2, 2010
    birdsboro,pa
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    Isx will outpull mx handsdown as far as reliable my 2010 pete runs everyday only problem I've had in 3 plus years was the egr cooler and valve but never left me brokedown btw the mx is a paccar motor so of course he's gonna tell you how great that motor is.
     
    poppapump1332, Sep 9, 2013
    poppapump1332, Sep 9, 2013
    #2
  4. Sep 9, 2013 #3
    Prairie Boy

    Prairie Boy Road Train Member

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    Nov 18, 2010
    Edmonton, AB
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    Prairie Boy, Sep 9, 2013
    Prairie Boy, Sep 9, 2013
    #3
  5. Sep 9, 2013 #4
    justlake

    justlake Bobtail Member

    15
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    Nov 29, 2012
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    Thanks for the information, as the Pete sales rep was going to sell me a ISX 550 until I asked about the MX and a carrier out of Saskatchewan that had problems with the ISX. Would you use the Ultra Shift Plus to run into BC ? I am going to go and see the KW dealer tomorrow to take a look at the t680 with the MX 500 1850. He is telling me that this MX engine will achieve 6-7 mpg. I always say mpg is in proportion to how you drive?
     
    justlake, Sep 9, 2013
    justlake, Sep 9, 2013
    #4
  7. Sep 9, 2013 #5
    Prairie Boy

    Prairie Boy Road Train Member

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    Edmonton, AB
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    We will use them all over including off road and pulling up to 13 axle lowbeds.
     
    Prairie Boy, Sep 9, 2013
    Prairie Boy, Sep 9, 2013
    #5
    puneetsharma Thanks this.
  8. Sep 10, 2013 #6
    justlake

    justlake Bobtail Member

    15
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    Nov 29, 2012
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    I guess they used to get the job done with allot less HP than we have at our disposal today.
     
    justlake, Sep 10, 2013
    justlake, Sep 10, 2013
    #6
  9. Sep 10, 2013 #7
    itsneversafe

    itsneversafe Light Load Member

    267
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    Aug 16, 2011
    Victoria BC
    0
    Don't hold your breath. We have 7 of those paccars. 2 needed the top redone under warranty under 50k with valve guides coming apart and filling the cylinder and oil with shavings.

    The others are gutless ######. They fall on their face at 1400 rpm and road gears are similar to the old Mercedes step on it and wait engines in western stars. They are running 4.83 gearing compared to 4.11 in the cummins tri's we have and still have trouble crawling down wet gravel roads above 5th gear.

    We went back to cummins for this years trucks and everyone is happier. Drivers like the engine better, mechanics, well at least they have allot of practice on them now!
     
    itsneversafe, Sep 10, 2013
    itsneversafe, Sep 10, 2013
    #7
    poppapump1332 and Sarabeara Thank this.
  10. Sep 10, 2013 #8
    Prairie Boy

    Prairie Boy Road Train Member

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    Edmonton, AB
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    What model year do you have?
     
    Prairie Boy, Sep 10, 2013
    Prairie Boy, Sep 10, 2013
    #8
  11. Sep 11, 2013 #9
    itsneversafe

    itsneversafe Light Load Member

    267
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    Aug 16, 2011
    Victoria BC
    0
    We took delivery last year, first one was in feb last 2 came from pdi and setup in Regina around august or September. I don't know if they gauge the year like cars but if they do then all 7 are 2012's.

    This year we have 4 trucks so far, all are cummins 485 hp and pull far harder especially in 7 & 8th gear. Scuttlebutt was that the paccars were a Mullen idea and others had even worse luck on bigger orders than our 2 that committed seppuku. Anyhow warranty re-engined both ours but they are still very unpopular trucks compared to our 2010 cummins tri's. those 2010 trucks are finally running proper for the most part. Just have about 1 week of emmisions and engine code downtime a month instead of the two weeks they used to have ;)
     
    itsneversafe, Sep 11, 2013
    itsneversafe, Sep 11, 2013
    #9
  12. Sep 11, 2013 #10
    justlake

    justlake Bobtail Member

    15
    2
    Nov 29, 2012
    0
    Was at KW yesterday, the mechanic told me the problem with the MX engine is when the PTO is running it will not do a regen as it is in the softwear, were as the ISX will. It is a softwear problem that MX has and they will work on addressing it. You would think Paccar would do the softwear update sooner than later.
     
    justlake, Sep 11, 2013
    justlake, Sep 11, 2013
    #10
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