Wartsila’s X72 Mid-Bore Engine Passes Acceptance Test

The first ever Wartsila X72 mid-bore, low-speed engine has successfully passed the factory acceptance test.

This milestone verifies that the engine fulfils the design criteria for performance and functioning, and that it has been accepted by the customer and the Lloyd’s Register of Shipping classification society. The tests were carried out at the Doosan Engine Co. Ltd factory in South Korea, where the engines are being produced under license from Wärtsilä.

Wärtsilä launched its low-speed Generation X engine series in May 2011. The Wärtsilä X72 engine offers exceptional efficiency and fuel consumption performance to provide a favourable Energy Efficiency Design Index (EEDI).

Furthermore, the improvement in fuel consumption, when compared to conventional marine engine options, results in correspondingly reduced CO2 and NOx emissions. Thanks to its extended rating field, the Wärtsilä X72 is highly suited to a broad range of ship types, including Capesize bulk carriers, Suezmax tankers, and Feeder/Panamax container ships.

Following the completion of this first engine, production of the Wärtsilä X72 is being ramped up rapidly with orders at several licensees, and the next engine’s factory acceptance test is already scheduled for February 2014.

 The Wärtsilä X72 engine

The engine is equipped with state-of-the-art technology. Most notably, the Wärtsilä X72 features the company’s electronically time-controlled common-rail technology which has a proven 15 years track record. The flexible fuel injection and exhaust valve operation featured in this technology offer considerable fuel consumption reductions with correspondingly lower levels of exhaust emissions. The system also permits stable running speeds down to 12 per cent of the nominal speed, smokeless operation, and improved control of emissions. The engine has been designed to provide exceptional reliability, extended key component life, and has been optimised for lower engine revolutions.

Wartsila, January 14, 2014

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