Main Engine 4-Stroke · Main Engines (4-Stroke)
Marine engineers and operators rely on reliable and efficient engines like the Wärtsilä 8LW22 for their vessels' power generation needs. This engine, part of the Wärtsilä W22 family, is designed to deliver 1160 kW of power at 1000 rpm using Heavy Fuel Oil (HFO), Marine Diesel Oil (MDO), or Light Fuel Oil (LFO). With a bore of 220 mm and a stroke of 320 mm, the 8LW22 is a robust 4-stroke engine featuring direct injection and turbocharging with intercooling. It operates with a compression ratio of 13.8:1, providing a specific fuel consumption of 187 g/kWh at full load with HFO. However, common maintenance issues include problems with fuel injection pump plungers, connecting rod bearings, cylinder liner wear, turbocharger wear, and fuel injection pump piston wear, all of which require regular inspection and timely replacement to maintain optimal performance.
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