
Wärtsilä is The Ship Power Supplier. Wärtsilä provides engines, propulsion and manoeuvring solutions for all types of marine vessels and offshore applications. The product portfolio covers the product names - Wärtsilä, Sulzer, Lips, Deep Sea Seals and JMT.
Wärtsilä medium-speed engines with cylinder bores from 200mm to 640mm cover the power range of 0.5MW to 23MW. The Wärtsilä medium-speed engines and generating sets cover the power needs for all types of vessels and offshore applications. Wärtsilä medium-speed engines provide benefits such as:
Wärtsilä gas and dual-fuel engine portfolio comprises reliable and innovative multi-fuel engines from 1.5MW - 17.5MW providing high efficiency, low exhaust gas emissions and safe operation.


Wärtsilä RTA and RT-flex series engines with cylinder bores from 480mm to 960mm cover the power range of 5MW to 80MW. Wärtsilä RT-flex engines have common-rail systems with integrated electronically controlled fuel injection, exhaust valve actuation and starting air. In addition to the proven benefits of the RTA engines, the RT-flex engines offer:
Wärtsilä gears have been designed to meet the highest standards of operational efficiency, reliability, low noise and vibration. The gears can be supplied with built in multidisc clutches, featuring:
For ships with frequent port calls, Wärtsilä CP propellers are the ideal choice that offer superior manoeuvrability, saving ship time and tug cost.
The Wärtsilä FP propeller is the choice when superior propeller efficiency, reliability and robustness are required.
Wärtsilä propellers guarantee superior propeller efficiency, reliability and minimum noise and vibration levels due to tailor-made designs with the latest available technology for all ship types.
Wärtsilä provides steerable thrusters for offshore, sea going and tug applications in modular, retractable, underwater mountable and containerised designs in fixed pitch and controllable pitch executions. Features include:
Wärtsilä transverse thrusters increase independence of the ship; achieving economy of operation with:
Wärtsilä service concept and the worldwide network of some 8,000 professionals in close to 70 countries ensure the customized support from design and delivery to spare parts and maintenance.
Wärtsilä provides innovative services that support its customers' business; service in key ports, long-term service agreements, predictive and condition-based maintenance, operations and maintenance contracts, upgrade solutions, extensive training programs and online services.
With this service Wärtsilä maximises the performance, availability and reliability of ship power systems.

