McDevitt Trucks is a privately owned truck dealership that offers new and pre-owned trucks and provides automotive parts and services. Its inventory has a range of new models from various makes, including Mack, Volvo, Sterling, Western Star, Peterbilt and Isuzu. The dealership also offers used trucks from International, Kenworth, GMC and Ford. It has a staff of more than 80 service technicians that provides a range of services, such as valve adjustment, front brake replacement, oil and filter change and rod bearing replacement. In addition, the dealership has a parts department that stocks more than 5 million automotive parts and accessories. McDevitt Trucks maintains a location in Tewksbury, Mass.