Main Engine 4-Stroke · Main Engines (4-Stroke)
Scheduled maintenance is crucial for maximizing the lifespan and performance of any marine engine, and the Wärtsilä 6LW14 is no exception. This six-cylinder engine, part of the W14 family, boasts a power output of 390 kW at 1800 rpm, fueled by Medium-Duty Oil (MDO). Its robust design features two-stage turbocharging with intercooling and common rail direct injection, delivering a Mean Effective Pressure (BMEP) of 30 bar and a Specific Fuel Oil Consumption (SFOC) of 167.7 g/kWh at its optimal point. The 6LW14 utilizes a 4-stroke cycle with a bore of 140 mm and a stroke of 170 mm, resulting in a piston speed of 10.75 m/s. While generally reliable, areas such as low-load operation, cylinder liner wear, fuel injection system performance, and crankcase deposits require regular attention and adherence to recommended maintenance schedules outlined by Wärtsilä.
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