Wärtsilä
16V31
Guinness World Record holder as the world's most efficient 4-stroke diesel engine. Designed for both propulsion and power generation.
9280.0 kW
Power
Engine Specifications
16
Cylinders
310 mm
Bore
430 mm
Stroke
9,280 kW
MCR Power
750.0 rpm
MCR RPM
165.0 g/kWh
SFC
4-stroke
Stroke Type
Family: Wartsila Wartsila 31
· Tier: IMO Tier II
· Brennstoff: HFO, MDO
⚙️ Weitere Zylinder-Konfigurationen 3
🔧 Komponenten & Aufbau
Dual-Fuel System (Gas Mode)
Wartsila
W31 Gas Admission Valve (GAV)
Low-pressure gas admission valve per cylinder. Overhaul at 12,000 hrs. Leak test after every overhaul.
Lead time: 6 Wo.
18.0 kg
Dual-Fuel System (Gas Mode)
Wartsila
W31 Pilot Fuel System (DF variant)
Micro-pilot diesel injection for gas mode ignition. Pilot fuel consumption <1% of total energy. Overhaul pilot injector at 8,000 hrs.
Lead time: 6 Wo.
35.0 kg
Dual-Fuel System (Gas Mode)
Wartsila
W31 Pre-Chamber Assembly (DF)
Pre-chamber ensures stable ignition of lean gas-air mixture. Inspect at 8,000 hrs. Replace inserts at 16,000 hrs.
Lead time: 6 Wo.
8.0 kg
Fuel Pump (Jerk-Type / Common Rail)
Wartsila / L'Orange
W31 Common Rail Injection Unit
Common rail pressure up to 2200 bar. Rail and injector overhaul at 12,000 hrs. Monitor rail pressure stability.
Lead time: 8 Wo.
120.0 kg
📊 Technische Daten
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)
unified from engine model
True
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
⚠️ Typische Ausfälle
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Spare parts data being added…
Equipment-Model #38955
· ✓ still in production