OceanSphereENGINES

8LW32DF

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

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍​⁠‌‍‌⁠‌‌‍⁠⁠‌‍‌‌‌
2,640 kWPower
8Cylinders
320 mmBore
400 mmStroke

Wärtsilä's 8LW32DF marine engine leverages a 4-stroke design to provide reliable and efficient power. With an output of 2640 kW at 750 RPM, it is designed for both heavy fuel oil (HFO) and liquefied natural gas (LNG) operation, making it versatile for various maritime applications. The engine features direct fuel injection and includes a Wärtsilä turbocharger safety package, ensuring robust performance under challenging operational conditions. Key areas that require regular inspection include the exhaust valve seats and camshaft gears, which can experience wear due to high temperatures, necessitating careful maintenance. Additionally, the fuel injection nozzles may clog from dirt or debris, especially in HFO installations, requiring attentive cleaning.

Specifications

Technical data.from datasheet

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

Displacement per cylinder32.2 liters
Specific power output (inline)580 kW/cylinder (at 750 RPM)
Specific power output (V-config)500-420 kW/cylinder (W32GD: 405-420 kW/cyl)
Configuration4-stroke, non-reversible, turbocharged, intercooled, direct fuel injection
Valves per cylinder2 inlet + 2 exhaust
Cooling systemSeawater and freshwater cooling; charge air cooling via cooler
TurbochargerNapier 357 (common); Wärtsilä turbocharger safety package available
ComplianceIMO Tier II (MARPOL 73/78 Annex VI)
Power (kW)2640
Speed (rpm)750
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationL
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Download datasheet (PDF) (27482 KB)
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