How many Boeing 777 have Rolls-Royce engines?

It is estimated that there are currently about 220 Boeing 777s powered by Rolls-Royce Trent 800 engines in operation with 11 airlines around the world.



Approximately 226 Boeing 777 aircraft were built with Rolls-Royce Trent 800 engines. These engines were an option only for the first-generation 777 "Classic" variants, which include the 777-200, 777-200ER, and 777-300 models. At the peak of their production, Rolls-Royce held a significant 40% market share for these specific variants, competing against the Pratt & Whitney PW4000 and the General Electric GE90. Major operators of the Trent 800-powered 777s included Thai Airways, Singapore Airlines, and American Airlines. However, when Boeing developed the second-generation 777 models—the popular 777-300ER, 777-200LR, and 777 Freighter—they entered into an exclusive agreement with General Electric to use the GE90-115B engine. As a result, no second-generation or newer 777X models feature Rolls-Royce engines. While the Trent 800 was highly successful for the initial 777 fleet, the total number of Rolls-Royce powered 777s is finite and declining as these older airframes reach retirement age and are replaced by the GE-exclusive newer models.

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