Mercedes-Benz OM640 engine
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The Mercedes-Benz OM640 engine is a 2.0 liter inline-four cylinder diesel engine manufactured by the Mercedes-Benz division of Daimler AG. Wikipedia
Compression ratio: 18:1
Cylinder bore: 83 mm (3.3 in)
Manufacturer: Daimler AG
Power output: 60–103 kW (82–140 PS; 80–138 hp)