Wärtsilä

12V31

Guinness World Record holder as the world's most efficient 4-stroke diesel engine. Designed for both propulsion and power generation.

6960.0 kW

Leistung

Engine Specifications

Zylinder

310 mm

Bohrung

430 mm

Hub

6,960 kW

MCR Leistung

750.0 rpm

MCR Drehzahl

165.0 g/kWh

SFC

4-stroke

Taktung

Familie: 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

notable features ["World's most efficient 4-stroke engine (SFC ~165 g/kWh)", '2-stage turbocharging', 'Common rail fuel injection', 'Modular design for flexible configuration']

unified from engine model True

📦 Verschleißteile

Verschleißteile-Daten werden ergänzt…

Equipment-Model #38954 · ✓ noch in Produktion