The Harmony of the Seas is powered by four 12-cylinder Wärtsilä 46F engines and two 16-cylinder Wärtsilä 46F engines, featuring best-in-class fuel economy, and outstanding power-to-weight and power-to-space ratios. For effective manoeuvring, the ship has four Wärtsilä CT3500 transverse thrusters.
The two Wärtsilä hybrid scrubber systems represent the world’s biggest marine exhaust scrubber installation so far. They feature the latest in exhaust cleaning technology thus minimising sulphur oxide (SOx) emissions and allowing the vessel to comply with emission control regulations around the world. Wärtsilä hybrid scrubber system solutions have the flexibility to operate in both open and closed loop using seawater to remove SOx from the exhaust.
The Wärtsilä NACOS Platinum navigation and dynamic positioning systems are a popular choice of cruise ship operators and feature highly advanced integrated navigation technology. Other electrical & automation solutions have been provided by Wärtsilä Funa for this vessel, including a house light dimming system for all public venues, a dimming system for the suites, and a low resolution LED wall for the theatre.