High Quality Content by WIKIPEDIA articles! The Benz Bz.III was a six-cylinder, water-cooled, inline engine developed in Germany for use in aircraft in 1914. Developing 112 kW (150 hp) at 1,400 rpm from 875 cuin (14.3 L), it powered many German military aircraft during World War I. It was replaced in production by the unrelated Benz Bz.IIIa (140x190x6=17.55 L (1070.9cuin)) and eventually the Benz Bz.IIIb (this latter engine a V-8).