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Which is the toughest truck in America? Tanner, Rutledge and Adam head into the mountains putting their trucks through impossible tests. Plus, Tanner takes a new off-road vehicle to the Louisiana swamps to race an air-boat. And comedian Bill Engvall stops by the Top Gear test track.
First Air Date : Nov 21, 2010
Last Air date : Jun 28, 2016
Episode : 72 Episode
Season : 6 Season
Runtime: 43:14 minutes
Studio: History
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