Here’s how much different the Boeing 777X’s engines are compared to the 777-300ER

The transition from the GE90 to the GE9X marks the end of the brute force era of engine design.

Why Does The Boeing 777-300ER Have An Exclusive Engine Even Though Other Variants Don’t?

In 1999, Boeing and GE Aerospace made a landmark deal that would exclusively see the Boeing 777-300ER powered by the GE90 engine. GE secured this historic partnership agreement through a combination ...
Aviation Week

Dubai Airshow: Ethiopian first African airline for GE90-115B engine

Ethiopian Airlines has ordered five GE90-115B-powered Boeing 777-200LR aircraft. Aircraft deliveries are scheduled to begin in late 2010. The engine order is valued at more than $350 million list ...