Products and solutions

Find the right marine solution for your vessel – explore Wärtsilä’s portfolio

Wärtsilä brings together advanced marine technologies and expert support to help you achieve operational excellence and sustainability. Start your journey here by discovering the solutions that fit your vessel’s needs.

Marine products and solutions – quick routes to the right technology

Are you looking to boost the efficiency of your ship? To identify your ideal decarbonisation strategy? Wärtsilä’s innovative marine products and solutions are designed to meet the different needs of the maritime industry. They can help you achieve your goals.

At a glance: Wärtsilä marine offering

Engines and generating sets. Fuel‑flexible main and auxiliary engines for propulsion and onboard power.
Propulsors and gears. Efficient thrusters, propellers and gear solutions. Energy saving technologies.
Voyage and fleet optimisation. Fleet optimisation solution (FOS), voyage planning, marine navigation solutions, vessel performance management.
Electric shipping and hybrid solutions. Ship electrification, shaft generators, diesel‑electric, hybrid and shore power systems.
Exhaust treatment and carbon capture. Emissions abatement with optional onboard carbon capture.
Shaft line solutions. Integrated, reliable and easy‑to‑maintain shaft line components.
Simulation and training. Next‑gen training solutions.
Lifecycle services and spare parts. Wärtsilä Online, spare parts, maintenance and repair, service agreements, upgrades, technical support.

Most popular next steps

Explore our core offering for newbuilds and retrofits. Start with the most common next steps, or browse the solutions by category:

Wärtsilä ship engine W31 — Engines and generating sets

Digital Downloads — Nautical digital services

Wärtsilä employees in front of an engine — Engine configurator

illustration of Fleet Optimisation Solution — Fleet optimisation

Find your solution

Explore the solutions to find the right tools and innovations tailored to meet the unique challenges of your maritime business. Smart solutions that help make your operations more efficient and eco-friendly.

Power and propulsion

Voyage and fleet optimisation

Emissions abatement

Lifecycle services, maintenance and spare parts

Resources and featured insights

Essentials for ship designers

Visit the Essential specifications and resources for ship designers page, ideal for newbuild planning and early-phase exploration:

Integration guidance for engines and propulsion
Technical resources for newbuilds
Solution overview for designers

Maritime decarbonisation hub

Discover the meaning of decarbonisation in shipping. Find the best ways to reduce emissions from your existing vessels. Learn how to future-proof your newbuild vessels.

Industry event: How onboard carbon capture can give you an edge

Event recording: Get a competitive edge with these 3 tips on onboard carbon capture. Experience the exciting online event where industry experts revealed how onboard carbon capture can help you get a competitive edge.

Report: Sustainable fuels for shipping

Report: Sustainable fuels for shipping by 2050 – the 3 key elements of success. This research-backed report on future fuels in the marine industry reveals key actions to take today to achieve sustainable shipping by 2050.

eBook: 51 great ways to reduce greenhouse gas emissions

Download this eBook and you will learn 51 great ways for the maritime industry to reduce its greenhouse gas emissions.

Decarbonisation and net zero

Discover the meaning of decarbonisation in shipping. Find the best ways to reduce emissions from your existing vessels. Learn how to future-proof your newbuild vessels.
Learn more about decarbonisation

Frequently asked questions

Which Wärtsilä engines support future fuels (methanol/ammonia)?

Several engine platforms are available in methanol and ammonia‑ready configurations, with IMO Tier III compliance (diesel mode via NOR). See the engines portfolio for specifics by model.

What can Fleet Optimisation Solution (FOS) do?

Wärtsilä’s Fleet Optimisation Solution (FOS) is a holistic data analysis, voyage planning and fleet performance management package, integrated with nautical services and navigation solutions.

FOS lets you monitor, manage and optimise onboard and onshore processes. The system uses navigational, technical and operational data together and gives you deeper insights into your fleet operations.

Is onboard carbon capture (CCS) available for retrofit?

Wärtsilä Exhaust Treatment solutions are designed with modular abatement, and CCS is offered as an add‑on path where suitable. Check vessel‑specific feasibility on the CCS page or speak to Decarbonisation Services.

How do I choose the right engine?

Use the Engine configurator to match your vessel’s power and feature needs, then consult the engines page for detailed specs.

For more guidance, visit the Essential specifications and resources for ship designers page, recommended for naval architects and ship designers.

How Wärtsilä can help you move forward

Whether your vessel is a newbuild or an existing one, you will want it to comply with regulations and to operate effectively. The challenge lies in selecting and employing the right solutions and technologies efficiently, economically, and at the right times.

Wärtsilä’s marine solutions are designed to help you achieve your operational, regulatory, and sustainability goals. Our experts can guide you to choose the right technologies and get the support you need to optimise performance and future-proof your fleet.

How Wärtsilä can help you move forward

Your path to success with Wärtsilä:

Assess your needs. We help you evaluate and define your vessel’s requirements and operational goals.
Choose the right solutions. Select from Wärtsilä’s extensive portfolio of engines, hybrid systems, propulsors, and gears tailored to your needs.
Implement and optimise. Wärtsilä field services are ready to implement and help you integrate the selected solutions into your operations. From us, you get services and support for optimising the performance of your vessel.

Proven track record -
Wärtsilä has supported thousands of newbuild projects across all marine segments, from oil and gas and merchant vessels to fishing, cruise, and ferry ships. With us, you benefit from this experience, innovative products, and a commitment to decarbonisation and operational excellence.

Wärtsilä Marine. Let's connect.

Parts of this page have been written with the help of AI. A human expert has verified the contents.