| T40 | |
|---|---|
| |
| T40-A-10 at the National Museum of the United States Air Force | |
| Type | Turboprop |
| National origin | United States |
| Manufacturer | Allison Engine Company |
| Major applications | A2D Skyshark Convair R3Y Tradewind Convair XFY Pogo |
| Developed from | Allison T38 |
The Allison T40, company designation Allison Model 500, was an early American turboprop engine composed of two Allison T38 power sections driving a contra-rotating propeller via a common gearbox.[1]