Summary The Boeing 777X will be exclusively powered by the GE9X, the largest commercial aircraft engine on the market. So far, the engine has accumulated over 900 orders, according to GE Aerospace. The FAA certified the engine on October 2, 2020.

When Boeing announced the Boeing 777X aircraft program, comprised of the 777-9, 777-8, and 777-8F at the Dubai Airshow on November 20, 2013, the manufacturer stated that the then-latest aircraft would be exclusively powered by the all-new GE9X engines, which would be developed by GE Aerospace (then known as GE Aviation before it was spun off into an independent company) . The company touted a 12% fuel consumption advantage over its competitor, enabled by an all-new composite wing, which was based on the design of the wing of the Boeing 787 , aerodynamic advances, and the GE9X. Since then, the GE Aerospace engine has accumulated over 900 orders, according to the company's executives who spoke at its annual shareholders meeting on May 7.

Airlines with Boeing 777X orders Order amount (as of July 31, gross orders only) Air India 10 All Nippon Airways 20 British Airways 18 Cargolux 10 Cathay Pacific 21 Emirates 262 Ethiopian Airlines 8 Etihad Airways 25 Lufthansa 27 Qatar Airways 74 Silk Way West Airlines 2 Singapore Airlines 31 Unidentified customer(s) 32 Total 540 In total, Qatar Airways had 94 commitments for the 777X, including passenger and cargo aircraft. GE9X engine specifications In detailing the GE9X's specifications, GE Aerospac.