| Mercedes-Benz OM640 | |
|---|---|
| Overview | |
| Manufacturer | Daimler AG |
| Production | 2004- |
| Combustion chamber | |
| Displacement | 1,991 cc (121.5 cu in) |
| Cylinder bore | 83 mm (3.3 in) |
| Piston stroke | 92 mm (3.6 in) |
| Compression ratio | 18:1 |
| Combustion | |
| Fuel system | Common Rail |
| Fuel type | Diesel |
| Chronology | |
| Predecessor | Mercedes-Benz OM668 |
The Mercedes-Benz OM640 engine is a 2.0 liter inline-four cylinder diesel engine manufactured by the Mercedes-Benz division of Daimler AG.
The OM640 is the basis for the Thielert Centurion 2.0 aircraft engine.