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WinGD

9X82-B

Name: WinGD 9X82-B
Brand: WinGD
SKU: OSE-38776

The WinGD 9X82-B is a high‑power, low‑speed 2‑stroke marine diesel engine delivering up to 46 MW at 79 rpm, noted for its wide power‑speed range and flexible fuel capability.

46080.0 kW

Power

Engine Specifications

Cylinders

820 mm

Bore

3375 mm

Stroke

46,080 kW

MCR Power

79.0 rpm

MCR RPM

2-stroke

Stroke Type

Family: WIN-GD X · Tier: IMO Tier II · Fuel: HFO, VLSFO, MDO

Inspector Detail

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Common issues

cylinder liner wear or scuffing
piston ring wear or sticking in the groove
exhaust valve spindle/seat burning or wear
turbocharger fouling reducing efficiency and increasing exhaust temperature
fuel injection equipment wear affecting cylinder balance
crosshead and crankpin bearing wear
scavenge space oil/carbon deposit buildup (fire risk)

Inspection checklist

measure cylinder liner wear with a bore gauge
inspect piston rings and ring grooves at overhaul
check exhaust valve spindle and seat condition
inspect turbocharger blades and nozzle ring for fouling and erosion
check crosshead and crankpin bearing clearances
inspect scavenge space for oil/carbon deposits
verify fuel injection equipment condition and calibration
review cylinder drain oil analysis trends

Service intervals

Cylinder liner wear measurement	typically every 8,000-12,000 running hours or per the maker's PMS - confirm against the engine manual
Piston overhaul (ring renewal/inspection)	typically every 12,000-24,000 hours depending on fuel and lube oil quality
Exhaust valve overhaul	typically every 8,000-16,000 hours
Turbocharger overhaul	per maker's schedule, typically every 12,000-24,000 hours
Crankshaft deflection check	at each major survey/dry-dock

Typical wear limits

Cylinder liner wear	engines of this class are typically reassessed or renewed in the region of 0.6-1.0% of bore diameter wear - confirm the exact figure against WinGD's maker's manual, as it varies by liner design
Crankpin/main bearing clearance	compare against the maker's stated new and maximum allowable clearance for this engine rather than a generic figure

Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.

Critical spares

piston rings
cylinder liners
exhaust valve spindles and seats
fuel injection valves
cylinder lubricator quills
turbocharger bearing cartridges

Safety

crankcase/scavenge space explosion risk from oil mist ignition
high-pressure fuel system injury risk
hot exhaust and turbocharger surfaces
heavy component lifting during overhaul (pistons, liners)
starting air system pressure hazard

Class survey

WinGD X82 engines fall under Continuous Survey Machinery; class typically reviews crankshaft deflection records, cylinder condition reports, turbocharger overhaul history and IMO Tier compliance documentation at each survey.

Estimated lifetime: Low-speed two-stroke main engines of this class are generally designed for 25+ years and well over 100,000 running hours, with ongoing renewal of liners, rings and bearings rather than whole-engine replacement

Other Cylinder Configurations 50

Components & Design

Component data being added…

Technical Data

Hub/Bohrung Verhältnis 4.12 (lange Hub ausgelegt für Effizienz)

Mittlerer Kolbendruck (MEP) Diesel X82-2.0 22 bar at rated power (R1)

Mittlerer Kolbendruck (MEP) Dual-Fuel X82DF-1.0 17.3 bar at natural gas operation (R1)

Spezif. Brennstoffverbrauch (BSFC) X82-2.0 from ~155.7 g/kWh at part-load HFO

Spezif. Brennstoffverbrauch X82DF-1.0 Gas BSGC 141.8 g/kWh natural gas + 0.6 g/kWh pilot diesel (R1 at 84 rpm)

Spezif. Brennstoffverbrauch X82DF-1.0 Diesel 183,9 g/kWh (fallback Betrieb)

Zylinderdistanz 1440 mm (X82-2.0/X82DF, reduziert von 1505 mm X82-B)

Leistung pro Zylinder X82-2.0 5.507-6.167 kW/cyl (abhängig RPM, 58-84 rpm)

Produktionsstart Juni 2019 (Einführung als X82-D/X82DF)

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Common failures & inspection points

Piston pin thermal stress and wear: at high loads wear characteristics can occur on piston cooling oil channels; inspect after initial

Exhaust manifold and scavenging system fouling: contamination or defective air flaps in scavenge air receiver lead to elevated exhaust temperatures; turbo

Methane slip (slip) in LNG dual-fuel operation: X82DF generates up to 2-3% methane slip in gas mode (before iCER). X82DF-2.0 with iCER reduces by 50%; monitoring

Kolbenstangendichtung Leckageverschleiß: Regelmäßige Kontrolle der Piston Rod Gland Clearance beim Kolbenwechsel erforderlich; weiß-Metall-Schicht kann abnutzen

Servo oil system leakage: servo oil pumps and pressure relief valves can leak; WiCE control system monitors servo oil pressure continuously. Manual oil pump m

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #38776 · ✓ still in production