Two engines power Boeing 777; each must generate more thrust

The Boeing 777 utilizes exceptionally large engines, like the GE90, due to its two-engine configuration, requiring each to generate substantial power. This design choice was made to achieve high efficiency. The GE90, developed by General Electric, is among the largest and most powerful commercial aircraft engines, with variants producing up to 115,540 lbf of thrust. The 777's two-engine design contrasts with some competitors' four-engine setups. Boeing's decision for a twin-engine design, coupled with advancements like carbon fiber fan blades, allowed for greater efficiency. The GE90 family has powered the 777 for over 30 years, with newer variants offering even greater performance.