Main Engine 4-Stroke · Main Engines (4-Stroke)
The Wärtsilä 6LW22 engine utilizes a 4-stroke, direct-injection, turbocharged and intercooled design to deliver power. This 6-cylinder engine is classified within the W22 family, featuring a bore of 220 mm and a stroke of 320 mm. It achieves a power output of 870 kW at a rotational speed of 1000 rpm. The 6LW22 is designed to operate on a range of fuels, including Heavy Fuel Oil (HFO), Light Fuel Oil (LFO), and Marine Diesel Oil (MDO). This engine's specifications include a compression ratio of 13.8:1 and an average pressure of 21.9 bar (D-Rating) and 24 bar (E-Rating). The 6LW22's specific fuel consumption at 100% load (HFO) is 187 g/kWh, while at 85% load (HFO) it is 185 g/kWh. Common potential issues with this engine include wear on injector plunger clamps when using HFO 380, issues with connecting rod bearings, cylinder liner wear and tear, turbocharger wear, and wear on fuel injection pump bearing bushings.
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