The GE9X was designed for the Boeing 777X, expected to be the most efficient twin-engine jet when it takes flight toward the end of the decade. The engine spans a record 11 feet (3.35 meters) in diameter and generates 100,000 pounds (45 metric tons) of thrust, about one-third the force of the space shuttle’s main engine.

Each engine has 16 carbon fiber fan blades and 19 3D-printed fuel nozzles. The nozzles, which spray fuel inside the combustion chamber, replaced conventional nozzles that had more than a dozen welded parts. This helped reduce weight by 25%, increase fuel efficiency, and make it the company’s quietest engine to date.

GE says it already has more than 700 orders, worth $29 billion, for the GE9X. It is scheduled to go into production in 2020.

Correction: An earlier version of this article stated that GE built the first jet engine in 1942. It was the first American jet engine.

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