Main Engine 4-Stroke · Main Engines (4-Stroke)
Crews and engineers on board commercial vessels rely heavily on robust propulsion systems to ensure reliable performance and efficiency. Yanmar’s 6L6EY26W engine is a prime example of this reliability. This medium-speed, six-cylinder in-line engine delivers an impressive 2430 kW at 750 rpm, making it suitable for both marine propulsion and power generation applications. The engine's advanced Common Rail technology enhances fuel efficiency and reduces emissions, meeting IMO Tier II standards. With a bore of 260 mm and a stroke of 385 mm, the 6L6EY26W offers a displacement of 122.6 liters. It can operate on heavy fuel oil (HFO) or marine gas oil (MGO), providing versatility in fuel options. Despite its robust design, common failure points to watch for include turbocharger wear due to contaminated oil or carbon deposits, cylinder head gasket leaks caused by scratches or improper tightening, and injector nozzle wear from cavitation. Regular maintenance, including oil analysis and bearing wear monitoring, is crucial to prevent lube system damage and ensure long-term reliability.
Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.
| Ölwechsel | 400-600 Betriebsstunden |
|---|---|
| Filterwechsel | 200-400 Betriebsstunden |
| Turbolader-Inspektion | 1000-2000 Betriebsstunden |
| Kühlwasserpumpe-Inspektion | 500-1000 Betriebsstunden |
| Zylinderlaufbuchsen | 0,5-1,0 mm Übermaß |
|---|---|
| Kolbenringen | 0,5-1,0 mm Übermaß |
| Turbolader-Lager | 0,1-0,5 mm Spiel |
| Antriebswellen-Lager | 0,1-0,5 mm Spiel |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Der Klassifizierer überprüft typischerweise die Wartung und Inspektion des Motors, die Kühlwasserpumpe, die Turbolader, die Common-Rail-Einspritzventile und die Zylinderkopfdichtungen. Es werden auch die Sicherheitseinrichtungen und die Notabschaltung überprüft.
Estimated lifetime: 20000-30000 Betriebsstunden
Free of charge — send us your request for Yanmar equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, Yanmar first.
Tell us what you need for this Yanmar 6L6EY26W — a part, a service call, a second opinion. Are you Yanmar? Claim this brand page.
Service engineer? Write the day report for this 6L6EY26W 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.