Main Engine 4-Stroke · Main Engines (4-Stroke)
Regular maintenance and addressing common issues such as injection pump fuel rack stickiness and exhaust valve wear are crucial for ensuring the reliable operation of marine engines like the Wärtsilä 7LW32. This engine, part of the Wärtsilä W32 family, boasts a robust design with 7 cylinders arranged in an inline configuration, delivering a power output of 3640 kW at 750 RPM. Each cylinder has a bore of 320 mm and a stroke of 400 mm, contributing to a displacement of 32.2 liters per cylinder. The engine is designed to run on various fuels including heavy fuel oil (HFO), marine diesel oil (MDO), and methanol (for the methanol variant). It complies with IMO Tier II emissions standards and features advanced Common Rail technology for precise fuel injection. Maintenance checks should include monitoring the condition of the camshaft gear and timing gears, as well as ensuring proper alignment of bearing shells, which are critical for optimal performance and longevity.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
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