07 ISX Cummins & Detroit Series 60 known issues

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Atlaw4u, Jan 16, 2021.

  1. Atlaw4u

    Atlaw4u Medium Load Member

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    I am looking at several trucks and would appreciate your input. Specifically, I am looking at an 07 truck with an ISX 530 and I am looking at several trucks with the Detroit Series 60 in varying years. These trucks are at auction so I can't do the normal due diligence I would do in purchasing a vehicle. I can inspect the truck and run it but you are not allowed to drive it so I would appreciate any suggestions for things to look for. I've purchased a truck at auction before so I know the risks and I try to account for those risks in the purchase price.

    First, I am looking at a 2007 truck with a 530 horse ISX. The engine is an ISX 530 with about 450k miles. The engine # is 79155322 & engine family # 6CEXH0912XAH. What are some things to look for when inspecting and what are the known issues with this motor.

    If I do purchase this truck, what things should be closely watched or upgraded on this motor. Lastly, what are the emissions for this truck. Is it an EGR only?

    Lastly, I am looking at several trucks in varying years that have the Detroit Series 60 12.7L and 14L. Are there certain years that I should stay away from and is there a preference between the 12.7 & 14L and what are the known issues for each?

    Thanks in advance for you input.
     
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  3. AModelCat

    AModelCat Road Train Member

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    I had a relative with the 2006 ISX (2007 model year truck). Within the first 1,800 hours it went through a turbo (vanes in the VGT seized) and a couple EGR valves under warranty.

    Personally, I think one would be better off with a Series 60, even if it is the EGR 14L version. I spent some time wrenching at a vac truck company and 90% of the trucks were 14L powered Western Stars. Most of the run time was PTO work and I cannot recall ever having an issue with the engines.
     
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  4. God prefers Diesels

    God prefers Diesels Heavy Load Member

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    I have a 2007 ISX, and I've always been a Cummins fan.

    Go with the Detroit....
     
  5. Atlaw4u

    Atlaw4u Medium Load Member

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    Thanks for the input. It is appreciated.
     
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