Wärtsilä 20 Marine Engine

Engine Summary


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Engine Information

Engine Family: Wärtsilä 20 Marine Engine

Engine Type: Dual Fuel Engine

Description

The Wärtsilä 20 is a compact and efficient medium‑speed marine diesel engine widely used in auxiliary generator sets and small propulsion applications. It is known for its high reliability, low fuel consumption, and easy maintenance, making it a proven choice for commercial vessels and offshore support ships. Its robust design and proven performance make it a trusted choice for marine operators seeking long‑term durability and reduced operating costs.

Learn more on the official Wärtsilä website

Specifications


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Dimensions & Weight


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Compliance


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Accessories

Standard Accessories

  • Built‑in lubrication oil pump and full‑flow oil filters
  • Integrated fresh‑water cooling system with HT/LT circuits
  • Fuel injection system with high‑pressure pumps
  • Pneumatic starting system with air distributor
  • Engine‑mounted alternators and sensors
  • Standard control panel and basic monitoring instruments
  • Exhaust manifold with insulation
  • Engine‑mounted turbocharger
  • Vibration‑damped baseframe (standard marine configuration)
  • Standard safety and shutdown devices

Optional Accessories

  • Heavy‑duty air intake filters for dusty or harsh environments
  • Additional fuel pre‑filters and water separators
  • Electric or hydraulic pre‑lubrication pump
  • Jacket‑water pre‑heater for cold‑start support
  • Remote control and advanced monitoring systems
  • Redundant sensor packages for critical applications
  • Custom exhaust silencers and insulation packages
  • Alternative mounting and flexible coupling options
  • SCR or catalytic emission‑reduction modules
  • Extended tool and spare‑parts kits

Warranty


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Additional Notes

Engine specifications may vary depending on configuration, application, and classification requirements. Detailed technical documentation is available upon request.