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C15 MXS 475-550

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Stahltrucking, Jun 23, 2021.

  1. Jun 23, 2021 #1
    Stahltrucking

    Stahltrucking Bobtail Member

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    Jun 23, 2021
    0
    Hello,
    I'm trying to figure somethings out about the 06 Cat mxs52321 from what caterpillar tells me it is rated at 475hp . Is there any engine parts difference between a 06 Cat mxs C15 rated @475hp and a 06 Cat C15 rated @ 550hp ? as in hard parts like head , pistons , cam , turbos ,injectors ect . Or is everything to do with the rating in the tune ? I'm new to the electronic computer controlled Engines . Trying to learn I'm use to my other engine which is a 3406C mechanical . Any help would be greatly appreciated. Thanks
     
    Stahltrucking, Jun 23, 2021
    Stahltrucking, Jun 23, 2021
    #1
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  3. Jun 23, 2021 #2
    AModelCat

    AModelCat Road Train Member

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    Canuckistan
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    More than likely just programming.

    IMO don't get a re-rate from Caterpillar, they'll put the low NOx program in and it'll probably not gain much performance.
     
    AModelCat, Jun 23, 2021
    AModelCat, Jun 23, 2021
    #2
  4. Jun 25, 2021 #3
    Magoo1968

    Magoo1968 Road Train Member

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    All programs for cat are low nox after the late nineties I believe.
     
    Magoo1968, Jun 25, 2021
    Magoo1968, Jun 25, 2021
    #3
    little cat 500 and AModelCat Thank this.
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