Main Engine 4-Stroke · Main Engines (4-Stroke)
The Wärtsilä 9LW26 operates on the principle of Medium-Speed Trunk Piston technology, utilizing a linear arrangement of nine cylinders. Manufactured by Wärtsilä, this engine boasts a power output of 2610 kW. It features a bore of 260 mm and a stroke of 320 mm, rotating at a speed of 900 RPM. Fuel flexibility is a key characteristic, with the engine capable of running on both Heavy Fuel Oil (HFO) and Marine Diesel Oil (MDO). The Wärtsilä 9LW26 is turbocharged and intercooled, further enhancing its performance. Weighing in at 23.6 tons, this engine is designed for demanding marine applications and is known for its robust construction and reliable operation. Despite its discontinuation in 2010, the Wärtsilä 9LW26 remains a sought-after power source due to its proven track record and substantial production run, with approximately 720 engines manufactured since its redesign in 1996.
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 9LW26 — a part, a service call, a second opinion. Are you Wärtsilä? Claim this brand page.
Service engineer? Write the day report for this 9LW26 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.