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Library Engine Room Main Engines (4-Stroke) Main Engine 4-Stroke Wärtsilä 12VW32DF
Wärtsilä

12VW32DF

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified
3960.0 kWPower
12Cylinders
320 mmBore
400 mmStroke
Specifications

Technical data.verified

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

Displacement per cylinder17.0 liters
Mean Effective Pressure (MEP)25.5 bar (900 RPM) / 24.0 bar (1000 RPM)
Piston Speed9.6 m/s (900 RPM) / 10.7 m/s (1000 RPM)
SFOC (ISO conditions, 85% load)186-192 g/kWh
6L26 weight17.2 tons
8L26 weight21.9 tons
9L26 weight23.6 tons
12V26 weight29 tons
16V26 weight37.9 tons
Power per cylinder (325 kW/cyl)Consistent across all configurations
TurbochargingTurbocharged with intercooler (charge air cooler)
Emission StandardIMO Tier II (MARPOL 73/78 Annex VI)
Power (kW)3960
Speed (rpm)750
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationV
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