Cat 6NZ Fuel Economy Curve(s)

Discussion in 'Ask An Owner Operator' started by DClark1970, Apr 15, 2021.

  1. DClark1970

    DClark1970 Bobtail Member

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    Jul 18, 2020
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    Is there anywhere I can get a fuel consumption curve for various HP settings for a 2001 Cat 6NZ?
     
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  3. BKLusk64

    BKLusk64 Light Load Member

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    Nov 17, 2012
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    Fuel economy and 6nz go together? Plus there are other factors that go into fuel economy
     
  4. Ridgeline

    Ridgeline Road Train Member

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    Peak torque is where the best fuel consumption is.
     
  5. baha

    baha Road Train Member

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    Fuel mi. depends on what type of trailer you are pulling, car haulers, flatbeds with uneven loads, and wide loads can throw your mi. in the scrap pile, a van with all the gov. add/ons sometimes get better fuel mi. keeping the eng. in the power band helps.
     
  6. skallagrime

    skallagrime Medium Load Member

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    Apr 10, 2012
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    This is pretty much similar for all of the various hp ratings on the c15s with *some* variation

    Your torque peaks at 1400-1500 rpm then falls off
    Your hp peaks a little after your torque starts falling off

    From what i remember driving my 6nz (475 hp but FEELs stronger than my 3406e at 485) best mileage was when i ran about 1400-1450 rpm
     

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  7. MM71

    MM71 Medium Load Member

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  8. HillbillyDeluxeTruck

    HillbillyDeluxeTruck Road Train Member

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    I run mine at 1400-1450ish around 65mph. Seems to be my best fuels mileage with 3.55s and 11r22.5s and a 13.
     
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