Peterbilt trucks are primarily manufactured in Denton, Texas, where they produce Class 8 heavy-duty trucks. Medium-duty trucks (Classes 5-7) are manufactured in facilities located in Sainte-Thérèse, Quebec, Canada, and Mexicali, Mexico. The Denton facility is the main site for Peterbilt's heavy- duty semi trucks, while the Quebec and Mexicali plants focus on medium-duty truck production.
