Season 1, Episode 8
Semi Tractor Trailer
Air Date: 2008-08-28
Overview: 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.
Runtime: 60 minutes
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