Redesign hood for 6 cylinder in-line engine. Changes with the "previous " MACK hood print file elswhere in the shop: a larger radius in the hood offset edge (under the position of the MACK logo; on the real thing). Head lamp area positioned more to the outside. Head lamp carrying supports on inside. Four grill support lips on inside. Changed external wing shape and larger wheel arch opening. Wing volume on inside of hood trimmed away.