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12X52DF

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

Class-certified type (DNV register) · technical data sheet not yet verified
20,160 kWPower
12Cylinders
520 mmBore
2,315 mmStroke
10350Dimensions

The WinGD 12X52DF engine utilizes a 2-stroke design, known for its robust construction and high power output. This dual-fuel engine, part of the X52DF family, is capable of operating on both liquefied natural gas (LNG) and heavy fuel oil (HFO), offering operational flexibility. With 12 cylinders, a bore of 520 millimeters, and a stroke of 2315 millimeters, the 12X52DF generates a formidable 20,160 kilowatts of power at 117 rpm. Its fuel injection system employs low-pressure gas injection with a hydraulic pilot fuel injection, ensuring efficient combustion in both gas and diesel modes. The engine's impressive power output per cylinder reaches 1490 kilowatts at 105 rpm, highlighting its remarkable performance capabilities. The 12X52DF also meets IMO Tier II/III emission standards, incorporating a selective catalytic reduction (SCR) system.

Specifications

Technical data.from datasheet

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
Dimensions10350 mm🔖
Power (kW)20160
Speed (rpm)117
Fuel TypeLNG/HFO (Dual-Fuel)
ConfigurationL
📄
Download datasheet (PDF) (233 KB)
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