This 2003 Peterbilt 379EXHD is driven by David McAllister and owned by L.L.P. Company out of Jefferson, Maine. The rig sits on a 275-inch wheelbase and is powered by a 550-horsepower Caterpillar with an 18-speed Eaton-Fuller. Custom touches include chrome trim, a drop visor, straight pipes, lighted mudflap brackets and extra step boxes behind the fuel tanks. The truck is used to haul lumber, steel, equipment and more.