WinGD

7X52DF

Name: WinGD 7X52DF
Brand: WinGD

WinGD X52 / X52DF two-stroke marine diesel/dual-fuel — Marinediesel, Bohrung 520 x Hub 2315 (standard X52/X52DF), 2045 (X52-S2.0 / X52DF-S2.0) mm, 79-105 rpm (standard), 85-120 rpm (S2.0 variants), 80-120 rpm (X52-S2.0) rpm, 5100-14480 kW (5-8 cyl, 79-105 rpm for 2315mm stroke); 4425-12000 kW (X52DF-S2.0, 5-8 cyl, 85-120 rpm); 4550-15280 kW (X52-S2.0, 5-8 cyl, 80-120 rpm). Brennstoff: Diesel/HFO (X52), LNG/Gas (X52DF), Ammonia/Diesel (X52DF-A), Methanol capable (future variants). Status: In production (X52DF-A, X52DF-S2.0, X52-S2.0); Legacy X52DF-1.x removed from portfolio 2024. Verifiziert, Datenblatt verlinkt.

13160.0 kW

Power

Engine Specifications

Cylinders

520 mm

Bore

2315 mm

Stroke

13,160 kW

MCR Power

118.0 rpm

MCR RPM

2-stroke

Stroke Type

Family: WIN-GD X-DF · Tier: IMO Tier III (gas mode) · Brennstoff: HFO, VLSFO, MDO, LNG

⚙️ Weitere Zylinder-Konfigurationen 33

🔧 Komponenten & Aufbau

Alpha Lubricator Control WIN-GD / Hans Jensen Lubricators

WIN-GD Pulse Lubrication System

Pulse lubrication for accurate CLO timing. Feed rate adjustable 0.5-1.0 g/kWh. Lower feed on gas mode.

Lead time: 6 Wo.

20.0 kg

Common Rail Unit (RT-flex / X-DF) WIN-GD / Winterthur

WIN-GD Common Rail Unit

Rail pressure ~1000 bar (fuel), ~200 bar (servo oil). Monitor rail pressure stability.

Lead time: 16 Wo.

1800.0 kg

Crankcase Oil Mist Detector GEA / Schaller Automation

GEA Westfalia OMD / Schaller VN215+

Same as diesel — SOLAS mandatory regardless of fuel. Test weekly.

Lead time: 2 Wo.

8.0 kg

Cylinder Liner WIN-GD

WIN-GD X-DF Cylinder Liner

Gas ports machined into liner — inspect for erosion. Wear rate significantly lower in gas mode.

Lead time: 16 Wo.

3200.0 kg

Dual-Fuel System (Gas Mode) WIN-GD

WIN-GD X-DF Gas Admission System

Gas admission at 10-16 bar via scavenge ports. Pre-chamber with diesel pilot. Monitor methane slip.

Lead time: 12 Wo.

350.0 kg

Engine Control Unit (ECU / ECS) WIN-GD / ABB

WIN-GD WiDE Engine Control System

WiDE = Wartsila Intelligent Diesel Engine. Dual-redundant. iCER optimization requires latest firmware.

Lead time: 8 Wo.

50.0 kg

Exhaust Valve (& Valve Seat) WIN-GD

WIN-GD Exhaust Valve (X-DF)

Gas mode extends valve life significantly (less hot corrosion). Overhaul at 16,000 hrs (gas-only: 24,000 hrs).

Lead time: 10 Wo.

300.0 kg

FGSS (Fuel Gas Supply System - LNG/Methanol) TGE Marine / Wartsila Gas Solutions

FGSS LNG Supply Module (ME-GI type HP / X-DF type LP)

LP-FGSS for X-DF (6-16 bar). Mandatory gas detection in duct space. Emergency shutdown drill monthly.

Lead time: 26 Wo.

Fuel Valve (Injector) WIN-GD

WIN-GD X-DF Fuel Valve (diesel + pilot)

Pilot injector critical for gas mode ignition. Inspect pilot nozzle at 4,000 hrs. Main valve at 8,000 hrs.

Lead time: 6 Wo.

75.0 kg

Governor (Electronic/Woodward) Woodward

Woodward 723PLUS / WIN-GD Integrated Governor

Integrated with WiDE. Gas/diesel mode switching requires governor parameter set change.

Lead time: 4 Wo.

15.0 kg

Hydraulic Power Supply (HPS) WIN-GD

WIN-GD Flex HPS (Common Rail Servo Oil)

Servo oil system at ~200 bar. Filter changes every 4,000 hrs. Use approved servo oil only.

Lead time: 14 Wo.

2500.0 kg

Piston Crown WIN-GD

WIN-GD X-DF Piston Crown

Gas mode reduces thermal loading. Inspect at 16,000-24,000 hrs. Extended intervals possible in gas-only service.

Lead time: 14 Wo.

1700.0 kg

SCR (Selective Catalytic Reduction) HUG Engineering / Yara Marine

WIN-GD SCR Reactor (for diesel mode Tier III)

Only needed for Tier III in diesel mode (gas mode is inherently Tier III). SCR bypass in gas mode.

Lead time: 20 Wo.

12000.0 kg

Scavenge Air Cooler WIN-GD / Alfa Laval

WIN-GD SAC (Plate/Shell-and-tube)

Cleaner in gas mode — extended cleaning intervals. Monitor charge air temperature after cooler.

Lead time: 14 Wo.

5000.0 kg

Sensors & Transmitters WIN-GD / Danfoss / ABB

WIN-GD Sensor Suite (pressure, temp, speed, knock)

Knock detection sensors critical for X-DF gas mode — prevents detonation. Calibrate every 4,000 hrs.

Lead time: 2 Wo.

2.0 kg

Turbocharger Unit (ABB/MHI/Napier) ABB Turbocharging

ABB A265-L Turbocharger

Gas mode significantly reduces fouling. Extended TC overhaul interval to 16,000-24,000 hrs in gas mode.

Lead time: 16 Wo.

8500.0 kg

📊 Technische Daten

Stroke/Bore Ratio 4.45 (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 cylinder 1810 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 Compliance IMO Tier II/III (SCR), iSCR integrated option available

Gas system type (DF) Low-pressure gas injection with hydraulic pilot fuel injection

unified from engine model True

bore mm v 520

stroke mm v 2315 (standard X52/X52DF), 2045 (X52-S2.0 / X52DF-S2.0)

rpm v 79-105 rpm (standard), 85-120 rpm (S2.0 variants), 80-120 rpm (X52-S2.0)

fuel v Diesel/HFO (X52), LNG/Gas (X52DF), Ammonia/Diesel (X52DF-A), Methanol capable (future variants)

status v In production (X52DF-A, X52DF-S2.0, X52-S2.0); Legacy X52DF-1.x removed from portfolio 2024

datasheet url https://wingd.com/media/3v3dzg0h/x52_20260402_1533.pdf

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Spare parts data being added…

Equipment-Model #38802 · ✓ still in production