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fuel consumption while idling?

This is a discussion on fuel consumption while idling? within the Duramax Forum forums, part of the General Discussion category; just curious about this.... how long would your truck idle on a gallon of fuel? I just bought a new ...

  1. #1
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    fuel consumption while idling?


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    just curious about this....

    how long would your truck idle on a gallon of fuel?

    I just bought a new generator and was looking at the run time and it made me think about idle fuel economy.
    2005 K3500 CCLB Duramax with a few bolt ons, weld ons and Glued ons.

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  2. #2
    Registered User justinp95's Avatar
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    Re: fuel consumption while idling?

    I thought i saw somewhere the dmax was a gallon an hour
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    Registered User user0186's Avatar
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    Re: fuel consumption while idling?

    wow our c15 cat (600 horse) burns a gallon an hour at idle
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  4. #4
    IM MIKE D foreman00081's Avatar
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    Re: fuel consumption while idling?

    i dont think its a gallon an hour, i thought it was more like a litre an hour. dont quote me on that though.

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  5. #5
    Registered User user0186's Avatar
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    Re: fuel consumption while idling?

    1 liter = 0.264172052 US gallons so i think thats more reasonable
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  6. #6
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    Re: fuel consumption while idling?

    Our cat twin turbo 1050hp sips 1.3 gallons an hour at idle. And if your curious at full load it's drinking 54 gallons an hour.

  7. #7
    Registered User user0186's Avatar
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    Re: fuel consumption while idling?

    lol not really i was just pointing out that 1gal/ hr on a 6.6 diesel at idle was a bit high
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