On the 5th and final day of Diesel Power Challenge 2014, the 10 reader-selected trucks fill up their tanks to test fuel economy before hitching up to the pulling .\r
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On the 5th and final day of Diesel Power Challenge 2015, the 10 reader-selected trucks hitch up to the pulling sled in an attempt to haul it as far as possible on a .\r
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On the final day of Diesel Power Challenge 2013, we wrap-up the weeklong event and present the winner with the coveted cup. Catch the entire week of Diesel .\r
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Diesel Power Challenge 2014 once again returns to the mile-high city of Denver, Colorado to pit 9 of the baddest reader-selected diesel rigs against each other .