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12V27/38A

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified​‌⁠‍​‌‍‌‌⁠​⁠⁠‍​‌‌‍‍​
4,200 kWPower
12Cylinders
270 mmBore
380 mmStroke

The MAN 12V27/38A is a 12‑cylinder V‑type, medium‑speed (800 rpm) four‑stroke marine diesel engine delivering up to 4 200 kW, designed for main propulsion on large commercial vessels and certified to IMO Tier II (Tier III with SCR).

Specifications

Technical data.reference — unverified

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Displacement (6-cyl)130.8 L
Displacement (9-cyl)196.2 L
Compression Ratio15.9
Max Combustion Pressure200 bar
Mean Effective Pressure (MEP)23.5 bar
Power per Cylinder340 kW @ 800 rpm
SFOC @ 100% MCR (HFO)188 g/kWh
SFOC @ 85% MCR (HFO)185 g/kWh
SFOC (MDO/MGO) @ 100% MCR191 g/kWh
SFOC (MDO/MGO) @ 85% MCR186 g/kWh
Dry Mass 6L27/3829.0 metric tons
Dry Mass 9L27/3839.5 metric tons
Length 6L27/385070 mm
Length 9L27/386405 mm
Engine Width2035 mm
Turbocharger SystemHigh-efficiency MAN TCR constant-pressure
Emission StandardsIMO Tier II, Tier III (with SCR)
Swept Volume per Cylinder21.76 dm³
Power (kW)4200
Speed (rpm)800
Fuel TypeHFO/MDO
ConfigurationV
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