Pratt & Whitney JT9D
The Pratt & Whitney JT9D engine was the first high bypass ratio jet engine to power a wide-body airliner. Its initial application was the Boeing 747-100, the original "Jumbo Jet". It was Pratt & Whitney's first high-bypass-ratio turbofan.
| JT9D | |
|---|---|
| The internal structure of the JT9D | |
| Type | Turbofan |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
| First run | December 1966 |
| Major applications | Airbus A300/A310 Boeing 747 Boeing 767 McDonnell Douglas DC-10 |
| Number built | 3,200+ |
| Developed into | Pratt & Whitney PW4000 |
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