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The GEnx engine, the fastest selling widebody engine that GE Aviation has ever produced, marked its 15th year since its launch in April 2004. With outstanding performance and utilization, the GEnx engine family has accumulated 25 million flight hours and 4 million flight cycles.

“The GEnx engine began as a blank sheet design incorporating the advanced technologies and materials developed and tested after the GE90 engine entered service,” said Mahendra Nair, General Manager of the GEnx program at GE Aviation. “These proven and matured technologies and materials combined to produce an engine that was 15 percent more fuel efficient than its predecessor with reduced weight, improved performance and lower maintenance costs.

“GEnx also provides operators with more revenue potential thanks to its high utilization rates, which stem from the engine's excellent reliability rates, accumulated knowledge from more than 36,000 GE- and CFM-powered aircraft in service worldwide, and GE's best-in-class customer support,” added Nair.

GEnx Engine

Key to GEnx engine’s performance are its high-pressure compressor, lean-burning combustor and lightweight durable composite materials. With the highest-pressure ratio compressor in commercial service today, the GEnx has the best fuel efficiency in its thrust class, enabling it to power many of the longest routes. The GEnx’s innovative lean burning twin-annular pre-swirl (TAPS) combustor dramatically reduces NOx and other regulated gases below today’s regulatory limits.

As the world’s first commercial engine with both a carbon fiber composite front fan case and fan blades, the GEnx fan module is lighter in weight, corrosion resistant with less line maintenance and improved reliability, and is the quietest engine GE produces. These leading-edge technologies and the engine’s elegant architecture bring high operational reliability, a high utilization rate and route flexibility for more flights per year and more revenue for airlines.

Customers prefer the GEnx engine with more than 2,500 GEnx engines sold, solidifying it as the fastest selling high-thrust GE engine in history. More than 1,700 engines are flying today with 60 operators of Boeing's 787 Dreamliners and 747-8 aircraft.