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WinGD

X62-B

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

Technical data from manufacturer or class sources · not yet verified by a person​​‍​⁠⁠‍‌​‍⁠⁠⁠⁠​⁠⁠‍‌​
620 mmBore
Per manufacturer datasheetCapacity
HFO/MDO/MGO/VLSFOMedium

The WinGD X62‑B is a low‑speed, low‑pressure 2‑stroke marine main engine with a 620 mm bore, offering up to ~2.1–2.4 MW per cylinder and flexible fuel capability (HFO, MDO, MGO, VLSFO, LNG, methanol and future ammonia).

Specifications

Technical data.reference — unverified

Do you have the manufacturer datasheet for this model? Send it with the enquiry form — we check it and name the source.

Bore diameter620 mm (verified: WinGD official specs)
Max power per cylinder (S2.0 @108 rpm)2,110 kW/cyl (WinGD X62DF-S2.0 product page)
Max power per cylinder (2.1 @103 rpm)~2,385 kW/cyl (derived from 8-cyl config 19,080 kW)
SFOC diesel mode (with VCR option)165.8-167.8 g/kWh (WinGD X62DF-2.1 page)
Fuel consumption reduction (diesel VCR)up to 5% (WinGD X62DF-2.1 specs)
Fuel consumption reduction (gas mode)up to 3% energy (iCER technology)
Methane slip reductionup to 50% (iCER technology)
Emissions standardIMO Tier III without SCR in gas mode (X62DF-2.1)
Stroke/Bore ratio (standard)L/D = 4.29
Injection systemCommon-rail + Intelligent Control by Exhaust Recycling (iCER)
Compression ratio (with VCR option)Dynamically variable per fuel type and load
Service

Service notes.

What our service work and the manufacturer documentation say about keeping this model running.

Regular scavenge inspections, liner condition monitoring and drain-oil analysis are key. Combustion overhauls are condition-based.

Inspection

Inspector Detail

Designation decoded

X steht für WinGD Generation X, 62 für Bohrung 620 mm, B für kompakte Bauweise (reduzierte Bauhöhe).

Background

Der WinGD X62-B ist ein mittelgroßer bis großer Zweitakt-Langsamläufer mit 620 mm Bohrung. Verbreiteter Einsatz auf Tankern, Bulkern und Containerschiffen. Die 620 mm Bohrung ist WinGD-spezifisch und positioniert den Motor im direkten Wettbewerb mit dem MAN S60ME-C (600 mm). Der X62 ist einer der populärsten WinGD-Typen.

Inspector checklist

Laufzeug & Tribologie
  • Zylinderlaufbuchsen: 620 mm Bohrung — Scavenge-Port-Inspektion alle 4.000 h, Verschleißrate dokumentieren
  • Kolbenringe: WinGD-Konfiguration, Stoßspiele
  • Kreuzkopf-Lager: Temperatur-Monitoring, BWMS wenn vorhanden
Common-Rail & W.I.S.E.
  • Common-Rail: Raildruck, Hochdruckpumpen, Druckstabilität
  • W.I.S.E.: Diagnosedaten, Software-Updates
  • Einspritzventile: Düsenzustand — bei 620 mm substantielle Einspritzmengen
  • Auslassventil: Hydraulische Steuerung, Hub, Ventildrehung
Brennstoffsystem
  • Brennstoff-Feinfilter vor Rail: Catfines-Schutz — höchste Priorität
  • Purifier-Kapazität und VLSFO-Qualität
  • Brennstoff-Vorwärmung
Dichtungssysteme
  • Stopfbuchsen: Drainage-Mengen
  • Auslassventil: Ventilsitz, Drehung
  • Spülluftkasten: Drainage, Brandrisiko
Turbolader & Spülluft
  • Turbolader: Reinigung, Vibration, Matching
  • Ladeluftkühler: Druckdifferenz
  • Auxiliary Blower: Low-Load

Logbook reference values

ParameterExpectedDeviation means
Abgastemperatur nach Zylinder340-410 °C bei MCR>20 °C Spread → CR-Einspritzproblem
Common-Rail-Druck800-1000 barAbfall → Pumpe oder Rail
Pmax pro ZylinderGemäß Shop-Test ±3 barSpread >5 bar
Spülluftdruck2.8-3.5 bar abs bei MCRZu niedrig → Turbolader
Zylinderöl-Feed-Rate0.7-1.0 g/kWhAn BN anpassen

Common Failure Modes

  • Common-Rail-Schaden durch Catfines

    Symptoms: Raildruck instabil, Ventilschäden, Abgastemperatur-Spreizung

    Causes: Catfines im Brennstoff, Feinfilter-Bypass, Purifier-Fehler

    Preventive: Catfines <10 ppm nach Purifier, Feinfilter-Differenzdruck überwachen.

  • Liner-Verschleiß

    Symptoms: Ölverbrauch, Leckgas

    Causes: Feed-Rate, VLSFO-BN nicht angepasst

    Preventive: Scavenge-Port-Inspektion alle 4.000 h.

  • Auslassventil-Korrosion

    Symptoms: Abgastemperatur steigt

    Causes: HFO-Korrosion, Ventildrehung defekt

    Preventive: Ventilinspektion alle 8.000-12.000 h.

Expert tips

  • X62-B ist einer der meistgebauten WinGD-Typen — Erfahrungsbasis wächst, WinGD Service Bulletins aktiv verfolgen
  • 620 mm vs. MAN 600 mm: Ähnliches Leistungssegment, aber fundamental anderes Einspritzsystem (Common-Rail vs. HCU). Vergleiche immer mit WinGD-Referenzdaten, nie mit MAN
  • B-Variante: Kompakter Motor — Maschinenraum-Zugänglichkeit für Kolbenarbeiten bei der Inspektion bewerten

Related components

  • Common-Rail-System (Pumpen, Rail, Ventile)
  • W.I.S.E.-Steuerung
  • Turbolader
  • WinGD CLU
  • Brennstoff-Feinfilter
  • Scavenge Air Cooler
  • Auxiliary Blower

Classification & regulatory

IMO Tier II. Tier III mit SCR/EGR. EEDI Phase 2/3.

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

Spares

Replacement Parts

Spare parts notes

Maintain exhaust valve units, piston ring packs, fuel injection spares, cylinder cover seals and control system spares.

Documentation

Manuals

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