Cummins ISx oh

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Highwolf89, Jul 19, 2015.

  1. Highwolf89

    Highwolf89 Light Load Member

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    about how many miles does the cummins ISx go before needing a oh I know it varies but what is Verage with these new engines...

    Thanks
     
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  3. KeithT1967

    KeithT1967 Road Train Member

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    Cummins recommends every 150k miles
     
  4. taxihacker66

    taxihacker66 Road Train Member

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    Usually 800 to 1 million miles is what I've seen. if it was used in heavy haul some where around 500k. Mine I did at 900k.
     
  5. Bakerman

    Bakerman Road Train Member

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    Friend of mine has his in the shop for rebuild, made it to 1m.
     
  6. average joe

    average joe Medium Load Member

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    Overhaul or overhead?
     
  7. Highwolf89

    Highwolf89 Light Load Member

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  8. Highwolf89

    Highwolf89 Light Load Member

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    Yah I am looking at a truck with 600k miles 600 hp he said he pulled heavy so just wondering how much I will get out of her if I was to buy
     
  9. taxihacker66

    taxihacker66 Road Train Member

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    How heavy is heavy 3 axle 4 axle b trains or ?
     
  10. cnsper

    cnsper Road Train Member

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    Heck, I had a Prime driver tell me they were loaded heavy, 80,000 pounds...:eek:
     
  11. KeithT1967

    KeithT1967 Road Train Member

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    Sorry, I thought you meant overhead adjustment. If you're buying a 600k mile ISX get it on a dyno first and get the blowby numbers, if it checks out good put new bearings in it, ISX's tend to show extreme bearing wear around 600k, going longer will start to damage the crank.
     
    blairandgretchen Thanks this.
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