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Yanmar
Yanmar EY22
The Yanmar EY22 is a medium‑speed, four‑stroke trunk piston main engine delivering up to ~1 370 kW at 750–900 rpm, designed for flexible fuel use (HFO/MGO) and proven reliability in commercial vessels.
Engine Specifications
220 mm
Bore
320 mm
Stroke
Components & Design
Component data being added…
Technical Data
Bohrung (6EY17W)
170 mm
Hub (6EY17W)
230 mm
Bohrung (6EY18ALW)
180 mm
Hub (6EY18ALW)
280 mm
Bohrung (6EY22AW)
220 mm
Hub (6EY22AW)
320 mm
Bohrung (6EY26W)
260 mm
Hub (6EY26W)
385 mm
Hubraum (6EY17W)
31,3 Liter
Hubraum (6EY18ALW)
42,75 Liter
Hubraum (6EY26W)
122,6 Liter
Leistung 6EY17W
374-837 kW (500-1138 HP)
Leistung 6EY18ALW
400-615 kW
Leistung 6EY22AW
885-1370 kW (900 rpm)
Leistung 6EY26W
1471-1920 kW (750 rpm)
Drehzahl 6EY17W
1450 rpm
Drehzahl 6EY22AW/6EY26W
750-900 rpm
Trockengewicht 6EY17W
3880 kg
Trockengewicht 6EY22AW Motor
10.000 kg
Spez. Verbrauch 6EY17W
ca. 212 g/kWh
Spez. Verbrauch 6EY18ALW
ca. 190 g/kWh
Spez. Verbrauch 6N330
190 g/kWh
Emissionsstandard
IMO Tier II
rpm
720
configuration
L
fuel type
HFO/MGO
technology
Medium-Speed Trunk Piston
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Common failures & inspection points
Turbocharger wear and failures due to contaminated oil or carbon deposits; smoke development under load indicates turbo wear
Zylinderkopfdichtung-Lecks (Kühlwasser-Lecks intern/extern); Ursachen: Kratzer auf Dichtflächen, unzureichende Reinigung, Fehler beim Anzugsmoment
Fuel injection nozzle wear due to cavitation with trumpet-shaped enlargement of injection hole bore, impairs pressure build-up and fuel atomization
Bearing damage and piston rod guide wear; monitoring required via oil analysis (metal particles) and Bearing Wear Monitoring (BWM) systems
Type-general inspection and maintenance points for this equipment category — not model-specific.
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Maritime Network →Manuals
- datasheet
- project_guide
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Equipment Model #66726
· ✓ still in production