Wärtsilä 20 is a compact, lightweight marine engine. It offers fuel flexibility and reliable performance in genset and main engine applications. It is available in diesel and dual-fuel versions, and the dual-fuel version will switch between different fuels during operation smoothly, without power interruption.
Wärtsilä 20 offers outstanding flexibility, which makes it a great choice for generating sets in larger vessels and as a main engine for both mechanical and electric propulsion. The dual-fuel version is a great choice for many vessel types, including hybrid installations.
Ideal applications for the Wärtsilä 20 engine include:
The Wärtsilä 20 has proven its robustness and reliability with over 7500 engines delivered since its introduction to the market in the early 1990s. The engine can switch from MDO to HFO and vice versa without power interruption at any engine operation load.
The engine is available in cylinder configurations 4L, 6L, 8L, 9L with the power output ranging between 740 and 1980 kW at 900, 1000 and 1200 rpm.
The Wärtsilä 20DF is based on the well proven and reliable Wärtsilä 20 diesel engine introduced in the early 1990s. Because of its fuel flexibility, the Wärtsilä 20DF can be optimized for constant speed generating sets, as well as variable speed mechanical drives, for main engine applications.
The engine is available in cylinder configurations 6L, 8L, 9L with the power output ranging between 870 and 1755 kW at 900, 1000 and 1200 rpm.
Get technical data and system proposals for designing marine engine installations with the Wärtsilä 20 and Wärtsilä 20DF.
The Wärtsilä 20 can operate on conventional liquid marine fuels (LFO, HFO or liquid biofuels) or LNG. Fuel switching takes place without loss of power or speed.
For vessel operators, a fuel-flexible engine means that it is possible to comply with the ever-tightening emission regulations. At the same time, operators will have the option to choose fuel according to cost and availability.
Adopting LNG as fuel can help you reduce greenhouse gas emissions significantly. To maximise the environmental benefits of LNG, it is important to minimise methane slip – the unburned methane that escapes into the atmosphere when LNG is burned as fuel.
Wärtsilä 20DF is a great choice because it cuts methane slip in two ways. Its combustion chambers are designed to reduce methane slip, and its combustion controls have been optimised.
Discover the benefits that others have gained from choosing Wärtsilä 20 marine engines.
The MS Helgoland ferry entered a new era of dual-fuel operations with the complete Wärtsilä LNG propulsion solution, featuring two Wärtsilä 20 engines. Watch the video to learn how they adopted a new fuel.
Technology group Wärtsilä will supply a range of solutions aimed at minimising the carbon footprint of six new Pure Car Truck Carrier (PCTC) vessels being built for Dubai based Sallaum Lines DMCC. Part of the order was booked by Wärtsilä in 2023 and the remainder in Q1 2024.
The Wärtsilä solutions were selected following a very stringent evaluation process, with sustainability and minimal environmental impact being a prime consideration. As a result, Wärtsilä, through its joint venture company, Wärtsilä Qiyao Diesel Company Ltd. (WQDC), was contracted to deliver three Wärtsilä 20DF dual-fuel auxiliary gen-sets, operating mainly on LNG fuel, for each of the six vessels. Wärtsilä was also contracted to deliver the transverse thrusters and the main engine control system for these vessels.
Then for four of the vessels, Wärtsilä will supply the shaft generator systems, which will reduce the auxiliary gen-sets' running hours while at sea, thereby further reducing the ships’ emissions and lowering operating costs. The engines onboard each of the vessels will be supported via Wärtsilä’s Data Collection Unit (WDCU) with cloud based services and remote monitoring to optimise operability, fuel economy, and periodic maintenance.
“Sallaum Lines is committed to sustainability and to reducing our environmental impact through implementing eco-friendly practices and reducing emissions. We are moving forward to a sustainable future by working to achieve zero emissions by 2050. This is why we have selected Wärtsilä to partner with us for these six new ships,” says Mr. Puneet Arora, Technical Manager – Sallaum Lines.
“We are working closely with Sallaum Lines in their efforts towards decarbonisation. In addition to this order, we recently signed a Decarbonisation Programme agreement with them for two existing PCTC vessels in their fleet. This cooperation has further strengthened the level of trust between our companies. Together, we are aligned in our determination to enable the cleanest possible shipping operations,” comments Rajan Khanna, Head of Sales, Middle East – Wärtsilä Marine.
The vessels are being built at Chinese shipyards, four at China Merchants Jinling Shipyard and two at Xiamen Shipbuilding Industry Co. Delivery of the Wärtsilä equipment will commence in 2024.
Media contact for more information on this release:
Isabella Alder
Positioning and Strategic Communications Manager
Wärtsilä Marine
Tel: +44 (0) 7792 681 757
marine.media@wartsila.com
Image caption: Wärtsilä will supply a range of solutions aimed at minimising the carbon footprint of six new Pure Car Truck Carrier (PCTC) vessels being built for Dubai based Sallaum Lines DMCC © Sallaum Lines DMCC
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Wärtsilä in brief
Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve environmental and economic performance. Our dedicated and passionate team of 17,800 professionals in more than 280 locations in 79 countries shape the decarbonisation transformation of our industries across the globe. In 2023, Wärtsilä’s net sales totalled EUR 6.0 billion. Wärtsilä is listed on Nasdaq Helsinki.
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Wärtsilä Marine in brief
Wärtsilä Marine is a global pioneer in power, propulsion and lifecycle solutions for the marine market. We develop industry-leading technologies, advancing maritime's transition to new fuels. We support building an end-to-end digital ecosystem where all vessels and ports are connected. Ultimately, Wärtsilä Marine is driving the shipping industry forward on its journey towards a decarbonised and sustainable future through our broad portfolio of engines, propulsion systems, hybrid technology, exhaust treatment, shaft line solutions and digital technologies, as well as integrated powertrain systems. Our offering, which is underpinned by our performance-based agreements, upgrades, lifecycle solutions, decarbonisation services, as well as an unrivalled global network of maritime expertise, delivers the efficiency, reliability, safety, and environmental performance needed to support a safe and sustainable future for our customers, our communities and our planet.
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