MAN » Amphibian on the chassis of Einheits-Diesel
The most important MAN military prodect became taking a part in the design of a standardized 2.5-ton range Einheits-Diesel (6x6). MAN created 6-cylinder engine HWa-526D (6.2 liter, 80 hp) with direct fuel injection for this range. Among the first prototypes Einhcits Diesel were four original 4.5-ton 8x8 chassis with a 120-hp V8 diesel engine and independent suspension of all wheels. In 1939-40 two of them were turned into the amphibious trucks, which became the world's first military amphibian with the wheel configuration 8x8. The trucks were equipped with an open hull, 150-horsepower engine, two screw propellers and the hoists. In 1940-41 these prototypes had been testing in Austria.