main engine · propulsion system
Wärtsilä 46DF
The Wärtsilä 46DF is the market-leading dual-fuel medium-speed engine for LNG-fuelled vessels. Operating on natural gas in lean-burn mode, it achieves very low NOx and near-zero methane slip. It serves as both a main engine and power plant across LNG carriers, cruise ships, and ferries.
Verified: Confidence: high
Classification
- Machine Type
- main engine
- System Category
- propulsion
- Cycle Type
- four-stroke
- Cylinder Config
- 6–18-inline/V
Performance
- Rated Power
- 560 – 16,800 kW
- Rated Speed
- 500 – 600 rpm
- Bore
- 460 mm
- Stroke
- 580 mm
Fuel Modes
lnghfomdopilot oil
Emissions Compliance
imo tier iiimo tier iii
Vessel Applications
lng carriercruise shipro roferry