"> Yanmar Yanmar 6EY18ALW
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Yanmar

Yanmar 6EY18ALW

The Yanmar 6EY18ALW is a medium‑speed, six‑cylinder diesel auxiliary engine delivering 400–615 kW (≈540–825 HP) with a compact 42.75 L displacement, designed for shipboard power generation and emergency propulsion.

Yanmar Yanmar 6EY18ALW
Per Hersteller-Datenblatt
Capacity
MDO/HFO
Medium

Engine Specifications

6
Cylinders
180 mm
Bore
280 mm
Stroke
4-stroke
Stroke Type

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

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Common failures & inspection points

Turbolader-Verschleiß und Fehlausfälle durch kontaminiertes Öl oder Kohlenstoffablagerungen; Rauchentwicklung unter Last deutet auf Turbo-Verschleiß hin
Zylinderkopfdichtung-Lecks (Kühlwasser-Lecks intern/extern); Ursachen: Kratzer auf Dichtflächen, unzureichende Reinigung, Fehler beim Anzugsmoment
Einspritzdüsen-Verschleiß durch Kavitation mit Trumpetförmiger Vergrößerung der Einspritzlochbohrung, beeinträchtigt Druckaufbau und Brennstoff-Zerstäubung
Lagerschaden und Kolbenstangenführungs-Verschleiß; Überwachung mittels Öl-Analyse (Metallpartikel) und Bearing Wear Monitoring (BWM) Systeme erforderlich

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

Service & Maintenance

Scheduled maintenance includes injector overhaul, valve checks, turbocharger cleaning and cooler inspection.

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Replacement Parts

Keep injector nozzles, exhaust valves, filters, gasket kits and cooler seals.
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Equipment Model #36830 · ✓ still in production