Some Assembly Required
Season 1 • Episode 8: Semi Tractor Trailer • Watch with subtitles
Episode 8: Semi Tractor Trailer
August 28, 2008 • 60 min
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.
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