Wärtsilä Equipment
Marine gensets and auxiliary engines for reliable ship power
Wärtsilä diesel, dual-fuel and future-fuel generating sets from about 0.74 MW to 10.4 MW for auxiliary power and diesel-electric propulsion, IMO Tier III compliant, generator voltage 0.4–13.8 kV.
Description
Wärtsilä marine gensets and auxiliary engines provide auxiliary power and diesel-electric propulsion power for ships. The range covers diesel, dual-fuel LNG and sustainable fuel options, with ammonia dual-fuel and methanol/methanol-ready versions, in a power range from about 0.74 MW to 10.4 MW.
Key features
- IMO Tier III emissions compliance
- Compact footprint for easier integration
- Modular engine design for conversion to future fuels
- Generator voltage 0.4–13.8 kV; generator efficiency 0.95–0.96
- Wärtsilä 34DF power-up version available for in-line auxiliary engines
Technical data – Wärtsilä 20DF generating set
- Bore 200 mm, stroke 280 mm
- Cylinder output 160 / 195 kW/cyl at 1000 / 1200 rpm
- Mean effective pressure 22.0 / 21.0 bar; piston speed 9.3 / 11.2 m/s
- 6L20DF: 1170 engine kW / 1123 gen. kW (60 Hz); 960 / 920 kW (50 Hz); weight 16.7 t
- 8L20DF: 1560 / 1498 kW (60 Hz); 1280 / 1230 kW (50 Hz); weight 20.8 t
- 9L20DF: 1755 / 1685 kW (60 Hz); 1440 / 1380 kW (50 Hz); weight 23.7 t
- Weights depend on generator type and size
The range also includes a larger genset with 250 mm bore and 340 mm stroke, rated 315 / 345 kW/cyl at 900 / 1000 rpm.
Applications
Merchant ships, cruise ships, offshore vessels, ferries and other vessel types.
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