| Manufacturer: | Daimler AG |
| Production: | 2004- |
| Predecessor: | Mercedes-Benz OM668 |
| Bore: | 83mm |
| Stroke: | 92mm |
| Displacement: | 1991cc |
| Valvetrain: | DOHC 4-Valves per cylinder |
| Turbocharger: | Single with intercooler |
| Fuelsystem: | Common Rail |
| Fueltype: | Diesel |
| Power: | NaNkW |
| Compression: | 18:1 |
| Mercedes-Benz OM640 engine | |
| Configuration: | Inline-four engine |
The Mercedes-Benz OM640 engine is a 2.0 liter inline-four cylinder diesel engine manufactured by the Mercedes-Benz division of Daimler AG.[1]
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.