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The Pratt & Whitney GG4 and FT4 are related aero-derivative gas turbine engines developed from the Pratt & Whitney J75/JT4 turbojet line.[1]
| GG4 / FT4 | |
|---|---|
| Type | Gas turbine |
| National origin | United States |
| Manufacturer | Pratt & Whitney |
| First run | 1960s |
| Developed from | Pratt & Whitney J75 |
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