The final jumbo jet is exclusively powered by GEnx-2B engines, and was not built for Rolls-Royce or Pratt & Whitney turbofans ...
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Why does the Boeing 747-400 have 3 engine types?
The Boeing 747-400, introduced in the late 1980s, represented a significant evolution of the iconic 747, featuring improved aerodynamics, advanced avionics, and substantially improved fuel efficiency.
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