Why can’t the Boeing 777-300ER be powered by any other engine type?

The GE90 is the only engine option for the 777-300ER due to a series of factors driven by requirements, costs, and timetables ...
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GE90: Inside The Engine That Was Never Certified On The Boeing 777-300

The General Electric GE90 engine is widely recognized today as the largest and most powerful commercial aircraft engine currently in the skies. The GE90-115B variant of the engine is by far the most ...
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Emirates Signs Deal for 130 Additional GE Aerospace Engines to Power its Growing Boeing 777-9 fleet

DUBAI, UAE, Nov. 17, 2025 /PRNewswire/ -- GE Aerospace (NYSE: GE) and Emirates today announced an agreement for 130 GE9X engines to power 65 additional Boeing 777-9 aircraft, bringing the airline's ...
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FAA Addresses Boeing 777 Engine Issue Linked to 'Iron Inclusion' Defect

The FAA has proposed a new solution to address a concern in Boeing 777 engines related to 'iron inclusion,' a substance that could affect compressor components' quality and durability. The US Federal ...