Auxiliary Engine (Generator Set) · Auxiliary Engines
This is a marine diesel engine. It is a Wärtsilä 7LW22-GS-50Hz, capable of generating 980 kilowatts of power. This engine operates at 750 revolutions per minute, fueled by Heavy Fuel Oil (HFO) or Marine Diesel Oil (MDO). The 7LW22-GS-50Hz has seven cylinders arranged in a linear configuration, with a bore of 220 millimeters and a stroke of 320 millimeters. It features a four-stroke cycle and direct injection with turbocharging and charge air cooling. While Wärtsilä ceased production of this model in 2010, it remains in service and maintenance and upgrade options are still available. Wärtsilä engineers designed the 7LW22-GS-50Hz with a compression ratio of 13.8:1 and a specific fuel consumption of 187 grams per kilowatt-hour at 100% load when using HFO. The engine's maximum output at 100% load is 980 kilowatts.
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