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How do you build a semi tractor-trailer capable of pulling up to 80,000 tons and make it fuel efficient? Brian Unger finds out at the Peterbilt factory. Then, he heads to Upper Sandusky, Ohio to make a shotgun that's been around since 1937.
First Air Date : Aug 07, 2008
Last Air date : Sep 28, 2008
Episode : 20 Episode
Season : 3 Season
Runtime: 60:14 minutes
Studio: Discovery
Country: Canada
Cast: Brian Unger
Crew:
