OceanSphereENGINES

9LW32E

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

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍‌‌​‌‍⁠⁠‍‍​⁠‍⁠⁠⁠‌
3,150 kWPower
9Cylinders
320 mmBore
400 mmStroke

This is a marine diesel engine. The Wärtsilä 9LW32E is a powerful engine designed for demanding maritime applications. It boasts a robust 9-cylinder configuration with a bore of 320mm and a stroke of 400mm, generating a substantial 3150kW of power at 750 RPM. This engine is engineered to operate on a range of fuels, including HFO, MDO, and ultra-low sulphur fuel. The Wärtsilä 9LW32E incorporates a 4-stroke, turbocharged, intercooled, and direct fuel injection system, ensuring efficient combustion and power delivery. Its cooling system utilizes both seawater and freshwater, with charge air cooling provided by a dedicated cooler. The engine is known for its reliability and performance, with over 2500 units sold since 1998.

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)3150
Speed (rpm)750
Fuel TypeHFO/MDO
ConfigurationL
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Download datasheet (PDF) (27482 KB)
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