There are two engines that powers Boeing 777.
The Boeing 777 is a family of long-range wide-body twin-engine jet airliners developed and manufactured by Boeing Commercial Airplanes . Commonly referred to as the `` Triple Seven '' , its distinguishing features include the largest-diameter turbofan engines of any aircraft , six wheels on each main landing gear , fully circular fuselage cross-section , and a blade-shaped tail cone . The initial 777-200 , -200 ER and -300 versions are equipped with General Electric GE90 , Pratt & Whitney PW4000 , or Rolls-Royce Trent 800 engines . A twinjet or twin-engine jet is a jet aircraft powered by two engines .