Wärtsilä Equipment
Wärtsilä 20 Marine Engine
Compact, lightweight medium-speed marine engine in diesel (4L–9L, 740–1980 kW) and dual-fuel 20DF (6L–9L, 870–1755 kW) versions at 900, 1000 and 1200 rpm.
Description
The Wärtsilä 20 is a compact, lightweight marine engine for generating sets and main engine applications in mechanical and electric propulsion. It is available in diesel and dual-fuel versions; more than 7500 engines have been delivered since its introduction in the early 1990s.
Technical data
- Wärtsilä 20 (diesel): 4L, 6L, 8L, 9L; 740 – 1980 kW at 900, 1000 and 1200 rpm; switches between MDO and HFO without power interruption at any load
- Wärtsilä 20DF (dual-fuel): 6L, 8L, 9L; 870 – 1755 kW at 900, 1000 and 1200 rpm; for constant-speed gensets and variable-speed mechanical drives
Key features
- Runs on LFO, HFO, liquid biofuels or LNG, switching without loss of power or speed
- Low fuel oil consumption over a wide load range
- Optimised power-to-weight and power-to-space ratios with flexible support arrangements
- Long overhaul intervals and low exhaust emissions
- 20DF: low gas feed pressure; combustion chamber and controls designed to reduce methane slip
- Suitable for hybrid installations
Applications
- Car carriers (PCTC)
- Merchant and small cargo vessels
- Ferries (e.g. MS Helgoland)
- Tugboats
- Offshore vessels
More from Wärtsilä
- W�rtsil� Wärtsilä Alternative Maritime Power (AMP) Ship-to-Shore Power System
- W�rtsil� Wärtsilä Rotor Sails (Anemoi Rotor Sail System)
- W�rtsil� Wärtsilä Shaft Line Field Services
- W�rtsil� Wärtsilä The Bearing Centre – White Metal Bearings and 100BOND Technology
- Wärtsilä Fleet Optimisation Solution (FOS)
- Wärtsilä Voyage Optimiser tool
- Wärtsilä EU Emissions Compliance application
- W�rtsil� Elogrid™ by Wärtsilä
- W�rtsil� Eniram by Wärtsilä Vessel Optimisation Software
- W�rtsil� Gate Rudder™: an integrated propulsion and steering concept
- W�rtsil� Hybrid propulsion system for ships – Wärtsilä HY
- W�rtsil� Marine gensets and auxiliary engines for reliable ship power
Featured products
All products →
Spare Part
Shrinkfast Parts
Spare parts for Shrinkfast 200 (998) and 975 heat tools, including spark plugs, O-rings, filters, orifices, ignitor assemblies, fuel lines, regulators and a 975 rebuild kit.
Equipment
Naval Steam Turbines
Mechanical-drive steam turbines for U.S. Navy ships: main propulsion, ship service and emergency turbine generator sets, and auxiliary pump drives.
Equipment
Maxi Marine – MM
Stainless steel hot water accumulator for marine installations, used alone with an external energy source or combined with other Maxi Marine heaters; 120–15 000 L.
Similar products