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18V32/40-GS-60Hz

Auxiliary Engine (Generator Set) · Auxiliary Engines

Class-certified type (DNV register) · technical data sheet not yet verified
8,100 kWPower
18Cylinders
320 mmBore
400 mmStroke

Maintaining optimal performance and reliability is crucial for any marine diesel engine. When it comes to addressing common failures, MAN Energy Solutions' 18V32/40-GS-60Hz model stands out with its robust design and advanced features. Cylinder liner wear can lead to piston ring breakage during overhaul if not properly managed; regular measurements of the bore diameter at different points and removing any wear ridges before new ring installation are essential. Additionally, monitoring blow-by for signs of piston ring sticking due to combustion residue or oil deposits is vital. Charge air cooler fouling must be checked through pressure drop monitoring and visual inspection to prevent increased air temperature and reduced efficiency. At low-load operations, frequent crankcase inspections can help mitigate the risk of oil mist and explosion hazards caused by soot, coke, and unburned fuel accumulation. Regular maintenance checks on turbocharger bearing lubrication and piston ring seals are also crucial for preventing failures in this high-speed rotating component.

Specifications

Technical data.reference — unverified

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Cylinder displacement32 L/cylinder
Power per cylinder500 kW/cyl
Mean Effective Pressure (MEP)25.9 bar (720 rpm) / 24.9 bar (750 rpm)
Mean piston speed9.6 m/s (720 rpm)
Specific fuel oil consumption (100% MCR)186 g/kWh
Specific fuel oil consumption (85% load)183 g/kWh
Lube oil consumption0.5 g/kWh
Dry mass (6L32/40)38 tonnes
Dry mass (8L32/40)47 tonnes
Dry mass (12V32/40)61 tonnes
Dry mass (18V32/40)85 tonnes
Compression ratio4.5
TurbochargingTwo-stage intercooling with advanced turbocharger
Charge air systemTwo-stage charge air cooler (HT and LT circuits)
Engine typeFour-stroke turbocharged Diesel, non-reversible (propulsion models)
Power (kW)8100
Speed (rpm)900
Fuel TypeHFO/MDO
ConfigurationV
Genset Output (kW)7695
Genset Output (kVA)9619
Frequency (Hz)60
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