Main Engine 4-Stroke · Main Engines (4-Stroke)
Diesel engines like the 6LH35/40 are commonly found in large commercial vessels, providing reliable propulsion in marine environments. This particular engine generates 3150 kW of power at 720 rpm, designed to operate efficiently on heavy fuel oil (HFO) or marine diesel oil (MDO). Its robust construction includes a bore of 350 mm and a stroke of 400 mm, configured in a six-cylinder inline arrangement with a 17:1 compression ratio. The engine is certified to meet IMO Tier III emissions standards and has received type approval from nine classification societies, ensuring compliance with stringent international regulations. Regular maintenance is crucial for optimal performance, including inspections for cylinder cover wear and corrosion, water contamination in the crankcase, and abrasive particle wear on piston rings and bearings. Additionally, regular water flushing of the turbocharger is necessary to prevent compressor and turbine wear.
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