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WinGD

5X82

Name: WinGD 5X82
Brand: WinGD
SKU: OSE-38727

The WinGD X‑82 is a five‑cylinder low‑speed two‑stroke marine main engine delivering up to 24 250 kW at 79 rpm, offered in oil‑fuel (X‑82‑2.0) and dual‑fuel LNG/methanol/ammonia variants with advanced WiDE control for high efficiency and emissions compliance.

24250.0 kW

Power

Engine Specifications

Cylinders

820 mm

Bore

3375 mm

Stroke

24,250 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 ✓ verified

▸

Designation decoded

5X82 – WinGD X series, fully electronic 2-stroke crosshead engine without camshaft. 'X' = electronically controlled series. '82' = bore 820 mm / 10. 5 cylinders. Bore 820 mm, stroke 3375 mm. NOTE: bore ≥820 mm – piston and cylinder work normally requires dry dock or a floating workshop.

Background

The X82 is a large slow-speed main engine for VLCCs, ULCCs, large container ships and Capesize bulk carriers. With 820 mm bore, it is among engines where piston and cylinder overhauls must typically be performed in drydock (weight and dimensions of components). UNIC control, common-rail injection, hydraulic exhaust valves, FlexCam and Delta Tuning. 5-cylinder configuration with particular torsional vibration issues. S/B ratio 4.12.

Calculated metrics

Stroke To Bore Ratio

4.12

Inspector checklist

Logbook reference values

Parameter	Expected	Deviation means
Raildruck	850–1100 bar (lastabhängig)	Deviation: system leakage, pump wear or injector defect.
Auslassventil-Leckölmenge	< manufacturer limit value (at 820 mm increased attention)	Steigend: Spindelverschleiß, Sitzring-Erosion, Dock-Planung berücksichtigen.
Zylinderauslass-Temperatur (Spreizung)	Max. ±15 °C vom Mittelwert	Spread: check injector, valve or compression.
Zylinderverschleiß	0.03–0.10 mm/1000 Bh	Erhöht: Dock-Planung für Laufbuchsentausch einleiten. CLO-System prüfen.
Spülluftdruck	3.0–4.0 bar at MCR	Niedrig: Turbolader-Fouling, Kühler-Verschmutzung.
Barred Speed Range	Gemäß Torsionsgutachten (5-Zyl.)	Nichteinhaltung: Akute Gefahr für Kurbelwelle.
Kreuzkopflager-Temperatur	< 65 °C über Schmieröleintritt (typ.)	Elevated: bearing damage possible, immediate measures required.
UNIC-Status	Keine aktiven Fehler	Aktive Alarme: Ursachenanalyse vor Weiterfahrt.

Common Failure Modes

Zylinderlaufbuchsen-Rissbildung

Symptoms: ['Kühlwasserverlust', 'Schmierölverdünnung', 'Wasserübertritt in Spülluft']

Causes: Thermal stress at large bore, Materialermüdung, Ungleichmäßige Kühlung

Preventive: Regular ultrasonic or dye penetrant inspection at major overhauls in dock. Keep cooling water system in perfect condition.

Kreuzkopflager-Schaden

Symptoms: ['Lagertemperaturanstieg', 'Metallpartikel im Ölfilter', 'Klopfgeräusche']

Causes: High gas forces at 820 mm bore, Lubricating oil shortage or contamination, Fluchtungsfehler

Preventive: Analyse lube oil regularly. Measure bearing clearance at every major overhaul. Check oil filter for particles.

Exhaust valve corrosion and deformation

Symptoms: ['Kompressionsverlust', 'Abgastemperaturanstieg', 'Erhöhte Leckölmenge']

Causes: Hot Corrosion (HFO-Betrieb), Thermal deformation at large valve diameter, Stellite-Abrasion

Preventive: Inspect valve stem and seat ring at every opportunity. Ensure rotocap function.

Torsionsschwingungsschäden (5-Zylinder, 820 mm)

Symptoms: ['Extreme Vibrationen', 'Kupplungs-/Dämpferschäden', 'Kurbelwellenrisse (Worst Case)']

Causes: Verweilen im Barred Speed Range, Defekter Torsionsdämpfer, Unzureichende Überwachung

Preventive: Schwingungsdämpfer als sicherheitskritisches Bauteil behandeln. Messungen gemäß Klasseintervall. Barred Speed Range strikt einhalten.

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Related components

T u r b o l a d e r ( G r o ß a u s f ü h r u n g ) , L a d e l u f t k ü h l e r , C o m m o n - R a i l - S y s t e m , A l p h a - L u b r i c a t o r , K r e u z k o p f f ü h r u n g / - l a g e r , K o l b e n s t a n g e / - s t o p f b u c h s e , T o r s i o n s s c h w i n g u n g s d ä m p f e r , H a u p t l a g e r , K u r b e l w e l l e ( 5 - Z y l . ) , H y d r a u l i k ö l s y s t e m , U N I C - S t e u e r u n g s m o d u l e , W e l l e n l e i t u n g s l a g e r , A b g a s n a c h b e h a n d l u n g

Classification & regulatory

IMO Tier II worldwide. Tier III in ECAs. EEXI/CII: engines of this size frequently use EPL (Engine Power Limitation) for EEXI compliance. Coordinate drydock intervals with class – piston/cylinder overhauls only possible in dock. Update torsional vibration assessment every 5 years or upon changes to shaft line.

Reference content for inspector orientation. Always verify against manufacturer's manual, latest service letters and class society requirements.

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)

unified from engine model True

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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 #38727 · ✓ still in production