Auxiliary Engine (Generator Set) · Auxiliary Engines
This equipment category includes large marine engines. The Wärtsilä 8LW20-GS-50Hz is a powerful 4-stroke generator set designed for maritime applications, featuring an 8-cylinder configuration with a bore of 200 mm and stroke of 280 mm. It delivers 880 kW at 900 rpm under 50 Hz frequency conditions, suitable for various fuels including heavy fuel oil (HFO) and marine diesel oil (MDO). The engine is in production since the 1990s and continues to be actively marketed through 2024. Regular maintenance checks are crucial; issues such as bearing damage, turbocharger overheating at higher speeds, piston ring wear, injector erosion, and pneumatic exhaust valve inaccuracies can affect performance. Wärtsilä offers specific monitoring systems and upgrades to ensure reliable operation.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
Free of charge — send us your request for Wärtsilä equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, Wärtsilä first.
Tell us what you need for this Wärtsilä 8LW20-GS-50Hz — a part, a service call, a second opinion. Are you Wärtsilä? Claim this brand page.
Service engineer? Write the day report for this 8LW20-GS-50Hz in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.