Boeing 777 Family engine options shape range, payload, noise, maintenance commonality, and fuel burn. The main recorded options are 777-200/-300: PW4000 / GE90 / Trent 800; 777-300ER / 777F / 777-200LR: GE90-115B / GE90-110B; 777X: GE9X.
Advantages
- Very strong payload-range performance.
- Large cabin and cargo capacity for a twin.
- 777F is a major purpose-built wide-body freighter.
Limitations
- Large aircraft economics require strong demand.
- 777X introduces new certification and fleet-transition complexity.