Scenes from the Peterbilt truck show in Stockton

In honor of Peterbilt Motors Co.'s 75^th anniversary, a special celebration in Stockton, CA, drew thousands of attendees and 351 Peterbilt trucks and tractors. It was the largest collection of Peterbilt trucks ever assembled, the OEM noted, with nearly every model of Peterbilt represented -- including its first-ever chassis. All photos courtesy of Peterbilt.