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Model 579

Video Tour of the New Peterbilt 579 UltraLoft

Peterbilt's Model 579 UltraLoft is an integrated high-loft sleeper truck designed to give driver teams and solo truck drivers extra space and amenities and also includes improvements to fuel efficiency. Here's a first look, inside and out.

Photos: Peterbilt's Model 579 UltraLoft

Peterbilt's new Model 579 UltraLoft is an integrated high-loft sleeper truck designed to give driver teams and solo truck drivers extra space and amenities, with a fuel efficiency boost as well.