The 6S50MC engine is a two-stroke, low-speed marine diesel engine with the following key specifications:
Engine Specifications:
- Bore: 500 mm
- Stroke: 1910 mm
- Power Output: ~7,020 kW (9,414 HP) at 108 RPM
- Cylinder Configuration: 6 in-line
- Fuel Type: Heavy Fuel Oil (HFO) or Marine Diesel Oil (MDO)
- Specific Fuel Consumption: ~165-175 g/kWh
Engine Parts & Materials:
- Cylinder Liner: Cast iron (GGG50 grade)
- Piston: Steel crown with aluminum skirt
- Piston Rings: Chrome-plated cast iron
- Connecting Rod: Forged steel
- Crankshaft: Forged steel (high tensile strength)
- Bearings: White metal (Babbitt) bearings
- Turbocharger: ABB or MAN TCA series
Lubrication & Fluids:
- System Oil Viscosity: SAE 30 (ISO VG 100-150)
- Cylinder Oil Viscosity: SAE 50 (BN 70 for HFO)
- Cooling Water: Freshwater with corrosion inhibitors
Buoyancy & Weight:
- Engine Weight: ~150-180 tons (varies by configuration)
- Displacement: N/A (fixed installation in vessel)
Additional Properties:
- Compression Ratio: ~14:1
- Exhaust Gas Temperature: ~250-300°C
- Mean Effective Pressure: ~18-20 bar