I sold my old truck around the first of the year with 600k on it. I have a 2022 579 with a Paccar and the first month has been great. There are a few changes on the new ones versus the 2017 I had, I’m going to visit with the service manager on Monday when I take my truck in and find out what all is different. I’m going to do what I did with the last one, and that’s go by the book and do what it says.
It’s funny to read back and recall thinking about a Freightliner, I ended up keeping my 2017 longer than I wanted and once I saw the new 579 I knew I wanted one.
Paccar for owner operators?
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by John from Oregon, Sep 9, 2020.
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Still haven't been able to pry me away from my old yellow motorsOxbow, Double Dime and GYPSY65 Thank this. -
i would not say engine is good or bad until i see many of them working without inframe beyond 1 million miles..
so who has mx-13 that has more than 1 million without inframe?GYPSY65 Thanks this. -
And….. many are company trucks with several drivers which in turn usually cause more wear
An O/O MX will or should last longer -
The if about mx paccard for me is software is mainly dealer small shops don't work on mx don't stock parts so dealer at cost. Also MX you don't rebiuld or inframe they're throw away replace with new is what I've been told.
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Oxbow, 18 wheels hummin, daf105paccar and 3 others Thank this.
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Not to be a smart ##*, but it's Paccar. I am a technician for a fleet that has been running the MX-13 since 2012. When I started fifteen years ago, we primarily ran Cat C-12 and C13's. Once 2008 rolled around, we switched to Cummins ISX. The Paccar MX has been much better engine than those. Was their a learning curve, Absolutely! We have had over 900,000 on few of the EPA 10s and deepest I have been in those was injectors. Our EPA 13 are starting to approach 800,000 miles and still rock solid. Did have first catastrophic failure in one last month, but it was a used MX-13. When I put it in service, I did all lacking maintenance. The oil under the valve cover was disgusting. It had a unit pump return spring break, lifter spun on cam, whipped out cam and cracked cylinder block. We had a lower mileage engine to swap in from another wrecked truck.
Oxbow, daf105paccar, Flint1 and 5 others Thank this. -
And the engines are fully rebuildable from EPA10 to current. We have many 15-16 models with close to a million and some over and have not been cracked open. Not even rods and mains.
jamespmack, Oxbow, 18 wheels hummin and 3 others Thank this. -
None were on a hook and ran my personal max to 1,187.000 miles when I sold it. The others made it to roughly 900k oil changes every 30k samples always came back good.
A few new injector issues and pumps but nothing major.
Pull boost sensors occasionally and clean.
Little lacking in power but a great engine overall.Oxbow, 18 wheels hummin, Long FLD and 2 others Thank this.
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