CF6 family
GE CF6 high-bypass turbofan family that entered commercial service in 1971 and evolved from the TF39/CTF39 program. GE Aerospace identifies CF6-6, CF6-50, CF6-80A, CF6-80C2, and CF6-80E1 branches spanning about 41,500–69,800 lbf, more than 8,500 engines delivered across 10 commercial and military aircraft families and 25 variants, and more than 460 million engine flight hours; CF6-80C2 continues in production. Applications include DC-10, A300/A310, 747, 767, MD-11, C-5M, and tanker/AWACS derivatives; exact variants and installations remain separate identities.
Identity
- Aliases
- General Electric CF6GE CF6
- Domains
- aviation
- Identity Level
- family
- Kind
- turbofan
- Name
- CF6 family
- Status
- active
Details
- Air Breathing Specs
- Max Thrust Kn
- 310.8
- Description
- GE CF6 high-bypass turbofan family that entered commercial service in 1971 and evolved from the TF39/CTF39 program. GE Aerospace identifies CF6-6, CF6-50, CF6-80A, CF6-80C2, and CF6-80E1 branches spanning about 41,500–69,800 lbf, more than 8,500 engines delivered across 10 commercial and military aircraft families and 25 variants, and more than 460 million engine flight hours; CF6-80C2 continues in production. Applications include DC-10, A300/A310, 747, 767, MD-11, C-5M, and tanker/AWACS derivatives; exact variants and installations remain separate identities.
- Developers
- Lineage
- Note
- GE developed the commercial CTF39 from the military TF39 program, and that product evolved into the CF6 family.
- Related Propulsion System
- Relationship
- direct-derivative-of
- Sources
- Accessed Date
- 2026-07-29
- Note
- Explains that the commercial CTF39 proposal evolved into the CF6 family after the military TF39 program.
- Publisher
- GE Aerospace
- Title
- GE1 “Building Block” Engine: Greatest GE Jet Engine Ever?
- Manufacturers
- Service Entry Date
- 1971
Links
Assets & Meta
- Creation Time
- July 29, 2026 at 18:12:03 UTC
- Updated Time
- August 15, 2026 at 11:52:20 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Note
- Supports the marketed family boundary, 1971 service entry, continuing production, variants, and applications.
- Publisher
- GE Aerospace
- Title
- CF6 Engine family
- Accessed Date
- 2026-08-15
- Note
- Current GE Aerospace family page documents CF6-6 through CF6-80E1 model branches, 41,500-69,800 lbf thrust range, 8,500-plus deliveries, 10 aircraft families, 25 variants, and continued CF6-80C2 production.
- Publisher
- GE Aerospace
- Title
- CF6 Engine Family
- Accessed Date
- 2026-08-15
- Note
- GE Aerospace reports more than 460 million CF6 engine flight hours and the family history from TF39 through CF6-80C2 and CF6-80E1.
- Publisher
- GE Aerospace
- Title
- GE Aviation delivered its final CF6-80E1 production engine
- Accessed Date
- 2026-08-15
- Note
- Current EASA manufacturer listing includes CF6-80A/CF6-80C type-certificate coverage for the CF6 family.
- Publisher
- EASA
- Title
- General Electric Company type certificates