Kawasaki Ha40

Ha40
Preserved Daimler-Benz DB 601.
TypePiston V12 aircraft engine
National originJapan
ManufacturerKawasaki
First run1930s
Major applicationsKawasaki Ki-61
Developed fromDaimler-Benz DB 601

The Kawasaki Ha40, also known as the Army Type 2 1,100 hp Liquid Cooled In-line and Ha-60, was a license-built Daimler-Benz DB 601Aa 12-cylinder liquid-cooled inverted-vee aircraft engine. The Imperial Japanese Army Air Service (IJAAS) selected the engine to power its Kawasaki Ki-61 fighter.