Test Drive: Peterbilt Model 567 and a ‘cowboy’ spec’

MOUNT VERNON, Wash. -- Peterbilt was showing off a new UltraLoft sleeper during a recent customer event.But it was a Model 567 decked out in a “cowboy” spec’ that stole the show.

Focus On Driving Peterbilt’s 579 EPIQ UltraLoft

Equipment editor Jim Park discovers first hand why the 579 is such a popular truck: it’s smooth and quiet, solidly build, has cutting-edge aero features and driver amenities, and…