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On The Spot With Peterbilt 579 Ultraloft

Peterbilt's UltraLoft takes 579 to new heights. Peterbilt has unveiled a new 80-inch integral sleeper known as the UltraLoft, adding an array of features to the Model 579 that improve comfort for team drivers and enhance aerodynamics in the process.

“It has that distinctive Peterbilt style,” said Scott Newhouse, chief engineer, also referring to added storage, lower and upper bunk space, and the widest mattress in the industry. “The driver experience starts when you’re in the cab. It’s a big, open space with plenty of headroom.”

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