Mercedes-Benz OM640 engine
The Mercedes-Benz OM640 is a 2.0-liter inline-four diesel engine manufactured by the Mercedes-Benz division of Daimler AG.
Other applications
The OM640 is the basis for the Thielert Centurion 2.0 aircraft engine.Also used as the basis for the Austro Engine AE-300/330 aircraft engine in Diamond DA-42 and DA-62 aircraft.