Main Engine 4-Stroke · Main Engines (4-Stroke)
Maintaining reliable performance in demanding marine environments is crucial, and the Wärtsilä 8LW26 engine is designed with this in mind. This robust, four-stroke engine boasts an impressive 1560 kW power output at 1000 rpm, fueled by HFO/MDO. Its specifications include a bore of 260 mm, a stroke of 320 mm, and 8 cylinders arranged in a L configuration. The 8LW26 features turbocharging with an intercooler, achieving an SFOC (ISO conditions, 85% load) of 186-192 g/kWh. Weighing 21.9 tons, this engine delivers a consistent power per cylinder of 325 kW, regardless of configuration. While the 8LW26 was discontinued in 2010 after approximately 720 units were manufactured since its redesign in 1996, information regarding potential common failures can aid in ongoing maintenance and repair. These include considerations for piston ring wear under continuous low-load operation, cold corrosion in cylinder liners during low-load operation, cylinder liner glazing, turbocharger bearing wear and contamination, and fuel injection nozzle coking with high-sulphur fuel.
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