GEnx family
GE Aerospace GEnx high-bypass turbofan family spanning GEnx-1B for Boeing 787-8/-9/-10 and GEnx-2B for Boeing 747-8 and 747-8 Freighter. GE lists 69,800, 74,100, and 76,100 lbf takeoff ratings for GEnx-1B70/-1B74/75/-1B76 and 66,500 lbf for GEnx-2B67B, with model bypass ratios from 8.0 to 9.0; current GE material reports more than 3,000 engines in service and on order, more than 70 million flight hours, and exclusive 747-8 fit while powering more than two-thirds of 787 aircraft in operation. Exact series, variants, and aircraft installations remain separately represented.
Identity
- Domains
- aviation
- Identity Level
- family
- Kind
- turbofan
- Name
- GEnx family
- Status
- active
Details
- Air Breathing Specs
- Max Thrust Kn
- 338.6
- Description
- GE Aerospace GEnx high-bypass turbofan family spanning GEnx-1B for Boeing 787-8/-9/-10 and GEnx-2B for Boeing 747-8 and 747-8 Freighter. GE lists 69,800, 74,100, and 76,100 lbf takeoff ratings for GEnx-1B70/-1B74/75/-1B76 and 66,500 lbf for GEnx-2B67B, with model bypass ratios from 8.0 to 9.0; current GE material reports more than 3,000 engines in service and on order, more than 70 million flight hours, and exclusive 747-8 fit while powering more than two-thirds of 787 aircraft in operation. Exact series, variants, and aircraft installations remain separately represented.
- Developers
- Lineage
- Note
- GE describes GEnx as building on architecture and materials developed through GE90 without making it a GE90 model.
- Related Propulsion System
- Relationship
- technology-derived-from
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- GE Aerospace
- Title
- GE Aerospace delivers 3,000th GE90 production engine
- Accessed Date
- 2026-07-29
- Publisher
- GE Aerospace
- Title
- Five facts about the GEnx
- Manufacturers
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 07:55:27 UTC
- Updated Time
- August 15, 2026 at 11:50:11 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Publisher
- GE Aerospace
- Title
- Five facts about the GEnx
- Accessed Date
- 2026-08-15
- Note
- Current GE Aerospace GEnx product page identifies GEnx-1B for Boeing 787-8/-9/-10 and GEnx-2B for Boeing 747-8/Freighter, with model thrust, bypass-ratio, and pressure-ratio comparisons.
- Publisher
- GE Aerospace
- Title
- GEnx Engine
- Accessed Date
- 2026-08-15
- Note
- Current EASA IM.E.102 identifies the certified GEnx Series engine boundary.
- Publisher
- EASA
- Title
- EASA.IM.E.102 — General Electric Company, GEnx Series engines
- Accessed Date
- 2026-08-15
- Note
- GE Aerospace reports more than 70 million GEnx flight hours, two-thirds of 787 aircraft in operation, and exclusive 747-8 fit.
- Publisher
- GE Aerospace
- Title
- United Airlines Selects GE Aerospace GEnx Engines to Power New 787 Dreamliners