ThePeterbilt Motor Company, founded in 1939, is among the most famous American company in the world for the production of medium and heavy trucks. The "379" has been its reference model for a long time, both from a commercial and image point of view. The Peterbilt 378 is very similar to 379. It is characterised by the hood made of fibre glass with a different inclination. The "378" has spread rapidly and it has been employed either for the normal use on the road or for professional and more specific application. Produced from 1987 to 2007 it embodies well the "concept" of the classic American truck with the big hood and the important use of chrome exterior.