In February 1963 the sale as coach began DH100H-BU20 (190 hp) engine with air brakes, retarder installed with horizontal rear underfloor engine. The wheelbase was 5.50 meters, and BU10 5 meters. With air suspension and (230hp) than P-end model with turbo charger. Four headlights are standard. The direct injection engine D920H became the most popular engine in the standard bus variants. From 1970, the performance of the P-end model increased to (250 hp) with the E120H engine with direct injection.