Wärtsilä
Wärtsilä 12VW50SG
Wärtsilä 26 — Viertakt-Marinediesel, Bohrung 260 x Hub 320 mm, 900 / 1000 rpm, 1950-5440 kW (900-1000 RPM). Brennstoff: Heavy Fuel Oil (HFO), Marine Diesel Oil (MDO), Gas Oil (GO). Status: Legacy - Production discontinued in 2010 (approx. 720 engines manufactured since 1996 redesign). Verifiziert, Datenblatt verlinkt.
11400.0 kW
Power
Engine Specifications
12
Cylinders
500 mm
Bore
580 mm
Stroke
🔧 Komponenten & Aufbau
Component data being added…
📊 Technische Daten
configuration
V
rpm
514
fuel type
Natural Gas
technology
Spark-Ignited Gas (SG)
displacement l per cyl
113.9
needs verification
False
catalog added at
2026-05-22T14:04:40
confidence
high
verified specs
{'Displacement per cylinder': '17.0 liters', 'Mean Effective Pressure (MEP)': '25.5 bar (900 RPM) / 24.0 bar (1000 RPM)', 'Piston Speed': '9.6 m/s (900 RPM) / 10.7 m/s (1000 RPM)', 'SFOC (ISO conditions, 85% load)': '186-192 g/kWh', '6L26 weight': '17.2 tons', '8L26 weight': '21.9 tons', '9L26 weight': '23.6 tons', '12V26 weight': '29 tons', '16V26 weight': '37.9 tons', 'Power per cylinder (325 kW/cyl)': 'Consistent across all configurations', 'Turbocharging': 'Turbocharged with intercooler (charge air cooler)', 'Emission Standard': 'IMO Tier II (MARPOL 73/78 Annex VI)'}
bore mm v
260
stroke mm v
320
rpm v
900 / 1000
fuel v
Heavy Fuel Oil (HFO), Marine Diesel Oil (MDO), Gas Oil (GO)
status v
Legacy - Production discontinued in 2010 (approx. 720 engines manufactured since 1996 redesign)
datasheet url
https://www.wartsila.com/docs/default-source/product-files/engines/ms-engine/product-guide-o-e-w26.pdf
sources
['https://www.maritimeinformed.com/w-rtsil-6l26-prime-movers-technical-details.html', 'https://www.maritimeinformed.com/w-rtsil-8l26-prime-movers-technical-details.html', 'https://www.maritimeinformed.com/series/w-rtsil-26.html', 'https://www.manualslib.com/manual/1177324/W-Rtsil-W-Rtsil-26.html', 'https://www.amasenergy.com/sites/default/files/products/amas_import/dieselengine_11453_1594749449_1594749449.pdf', 'https://engine.od.ua/ufiles/Wartsila_W26-TR.pdf']
⚠️ Typische Ausfälle
- ● _hinweis
- ● items
📦 Verschleißteile
Spare parts data being added…
Equipment-Model #66645
· ✓ still in production