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February 15, 2018

Photos: Peterbilt's Model 579 UltraLoft

The cab and hood of the Peterbilt Model 579 UltraLoft are the same as other Peterbilt 579...

The cab and hood of the Peterbilt Model 579 UltraLoft are the same as other Peterbilt 579 models. A new sun visor acts much like an air foil for improved aerodynamics, and the sculpted roof maintains the distinctive 579 look. Photo: Peterbilt

The cab and hood of the Peterbilt Model 579 UltraLoft are the same as other Peterbilt 579 models. A new sun visor acts much like an air foil for improved aerodynamics, and the sculpted roof maintains the distinctive 579 look. Photo: Peterbilt
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