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12X62DF

Main Engine 2-Stroke · Main Engines (2-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified
27,360 kWPower
12Cylinders
620 mmBore
2,658 mmStroke

The WinGD X62DF is a 12‑cylinder, low‑speed (≈105 rpm) two‑stroke crosshead main engine delivering up to 27 MW, capable of dual‑fuel operation on LNG and HFO/Marine Diesel Oil with variable compression ratio for optimized efficiency.

Specifications

Technical data.reference — unverified

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Bore diameter620 mm (verified: WinGD official specs)
Max power per cylinder (S2.0 @108 rpm)2,110 kW/cyl (WinGD X62DF-S2.0 product page)
Max power per cylinder (2.1 @103 rpm)~2,385 kW/cyl (derived from 8-cyl config 19,080 kW)
SFOC diesel mode (with VCR option)165.8-167.8 g/kWh (WinGD X62DF-2.1 page)
Fuel consumption reduction (diesel VCR)up to 5% (WinGD X62DF-2.1 specs)
Fuel consumption reduction (gas mode)up to 3% energy (iCER technology)
Methane slip reductionup to 50% (iCER technology)
Emissions standardIMO Tier III without SCR in gas mode (X62DF-2.1)
Stroke/Bore ratio (standard)L/D = 4.29
Injection systemCommon-rail + Intelligent Control by Exhaust Recycling (iCER)
Compression ratio (with VCR option)Dynamically variable per fuel type and load
Power (kW)27360
Speed (rpm)105
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationL
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