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Library› Engine Room› Main Engines (2-Stroke)› Main Engine 2-Stroke› WinGD 7X52DF-2.0
WinGD

7X52DF-2.0

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

Technical data from manufacturer or class sources · not yet verified by a person
11900.0 kWPower
7Cylinders
520 mmBore
2315 mmStroke
Specifications

Technical data.verified

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

Stroke/Bore Ratio4.45 (2315mm stroke), 3.93 (2045mm stroke)
Mean Effective Pressure (MEP)21 bar (X52), 17.3 bar (X52DF)
BSFC X52 (g/kWh)169.8 g/kWh at MCR 105 rpm (Tier II/III), 170.8 g/kWh low-load tuning
BSFC X52-S2.0 (g/kWh)154.2-164.8 g/kWh diesel mode, up to 5 g/kWh reduction vs standard
BSFC X52DF-S2.0 (g/kWh)140.1 g/kWh gas mode + 1.5 pilot, 181.4 g/kWh diesel mode
BSGC X52DF-A-1.0 (g/kWh)371.5 g/kWh gas mode ammonia, 170.8 g/kWh diesel mode
Power per cylinder1810 kW/cyl @ 105 rpm (X52), 1490 kW/cyl @ 105 rpm (X52DF), 1500 kW/cyl @ 120 rpm (X52DF-S2.0), 1910 kW/cyl @ 120 rpm (X52-S2.0)
Emissions ComplianceIMO Tier II/III (SCR), iSCR integrated option available
Gas system type (DF)Low-pressure gas injection with hydraulic pilot fuel injection
Configurationinline
Speed (rpm)104
Fuel TypeLNG/MGO (dual-fuel 2.0)
TechnologyX-DF 2.0 Low-Pressure Dual-Fuel
Displacement l per cyl491.6
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