Daimler-Benz DB 600 series
The Daimler-Benz DB 600 series were a number of German aircraft engines designed and built before and during World War II as part of a new generation of German engine technology. The general layout was that of a liquid-cooled, inverted V12 engine.
Source: Wikipedia — Daimler-Benz DB 600 series (CC BY-SA 4.0)