Engine
Pratt & Whitney JT9D
The JT9D was one of the first high-bypass turbofan engines for wide-body aircraft and powered early Boeing 747 and other wide-body applications.
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Overview
The JT9D was one of the first high-bypass turbofan engines for wide-body aircraft and powered early Boeing 747 and other wide-body applications.
Advantages
- Helped enable the first generation of wide-body jetliners.
- Historically important wide-body engine.
Limitations
- Older generation compared with PW4000 and later high-bypass engines.
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Branches & models
Select a branch to inspect its documented model codes and aircraft applications.
JT9D5 models
- JT9D-3A747-100
- JT9D-7A747-100, 747-200B
- JT9D-7F747-200B, 747-200F
- JT9D-7J747-200B, 747-200F
- JT9D-59AA300B2, A300B4, A310-200
JT9D-7R43 models
- JT9D-7R4D767-200
- JT9D-7R4G2747-200B, 747-300, 747SP
- JT9D-7R4H1A300B4, A310-300
JT3C / J572 models
- JT3C-6707-120, 707-220
- JT3C-7707-120B, 720
JT3D / TF333 models
- JT3D-1707-120B, 707-320B, 720B
- JT3D-3B707-320B, 707-320C, 720B
- TF33-P-5KC-135E, E-3, E-8
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Technical context
Technical notes
- Important early wide-body high-bypass turbofan.
- Used on early 747s and some A300/767 applications.
- Typical aircraft applications: boeing-747, boeing-767, airbus-a300.
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Related photography
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