Main Engine 4-Stroke · Main Engines (4-Stroke)
Maintaining optimal performance and reliability are paramount concerns for any maritime operation. Wärtsilä's 6W34DF engine is designed with this in mind, featuring a robust construction and advanced technology to minimize downtime and maximize efficiency. This powerful 6-cylinder engine operates on a dual-fuel system, capable of utilizing both LNG and HFO, making it a versatile choice for various applications. The 6W34DF boasts a 720 rpm operating speed and delivers a substantial 3000 kW of power. Its 4-stroke, turbocharged, and intercooled design ensures efficient combustion and smooth operation. Wärtsilä's 6W34DF engine is built upon a legacy of proven technology, leveraging decades of experience in marine engineering.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
| oil_change | every 400-600 hours |
|---|---|
| fuel_filter_replacement | every 1000-1500 hours |
| air_filter_replacement | every 500-1000 hours |
| cooling_system_flush | every 2000-3000 hours |
| cylinder_liner | 0.5-1.0 mm wear limit |
|---|---|
| piston_ring | 0.5-1.0 mm wear limit |
| exhaust_valve | 0.1-0.5 mm wear limit |
| fuel_injector | 0.1-0.5 mm wear limit |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyor typically checks engine performance, emissions, and maintenance records, as well as verifying compliance with regulatory requirements and manufacturer recommendations
Estimated lifetime: 30000-50000 hours before major overhaul
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