Wärtsilä 46DF

The Wärtsilä 46DF is a powerful four stroke engine that can run on natural gas, heavy fuel oil or marine diesel. The engine’s switching capabilities give you the option of choosing between gas or HFO/MDO operation with no loss in power. The Wärtsilä 46DF design is a well proven and reliable engine that has been operating successfully on the market since early 2000s.

In the world of Schiffer Marine, a company that specializes in medium sized passenger ships and tankers for oil trading companies all over, you can trust their engines to get your ship moving safely. With more than 900 active vessels using these Wärtsilä made behemoths among other things like gas turbines or dieselelectric drives; it’s no wonder they’ve got 10+ million running hours under its belt!

The Wärtsilä 46DF is a new dual-fuel engine that will power your next project from 6.8 MW to 18 3MW at 600 rpm!

Application Flexibility

The Wärtsilä 46DF is a fuel-efficient and compact engine that can be used for both marine applications abroad. The modular design allows it to run optimally on diesel or electric power with no need of modifications, which means you won’t have an issue finding someone who will install this in your boat. The main engine of the boat operates at either constant speed or along a combinator curve, which makes it more efficient and economical. The new multi-fuel capability offers a range of opportunities for various vessel applications. The Wärtsilä 46DF is a powerful and efficient prime mover solution for numerous applications. It can be used, amongst others:

  • LNG Carriers
  • Cruise ships
  • Ferries
  • Large Offshore Units


Key Benefits

  • IMO Tier III Compliant
  • Lowest gas fuel consumption in the industry
  • Lowest fuel oil consumption in the industry
  • Most powerful 4-stroke gas engine on the market
  • Fuel flexibility
  • Proven and reliable dual-fuel technology
  • Long overhaul intervals
  • Low exhaust gas emissions
  • Low gas feed pressure
  • Embedded automation system