Help!! C15 twin turbo MPG...

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Jeron379, Aug 15, 2009.

  1. Caterpillar Cowboy

    Caterpillar Cowboy Heavy Load Member

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    Nov 11, 2010
    Wyoming
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    My dad's MXS C-15 set at 475 will pull 5.0 - 5.30 IFTA quarters pretty regularly. 4.10 gears and an 18 speed OD. It's in a dump truck, usually running 55,500 loaded and 26,000 empty, Also hauls equipment around up to 90,000 thereabouts.
     
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  3. russtrucker

    russtrucker Road Train Member

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    Mar 27, 2012
    Central PA
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    gear ratio 4.10 is good mountains and hills.
     
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