The Peterbilt 379 is a model line of Class 8 trucks that was produced by the Peterbilt division of PACCAR from 1987 to 2007. Serving as the successor to the 359, the 379 was a conventional-cab truck configured primarily for highway use, serving as the flagship of the Peterbilt model line. During much of its production, the 379 was popular among owner-operator drivers. In line with the Kenworth W900, the 379 serves as a popular basis for truck customization.