Lycoming O-320
| O-320 | |
|---|---|
| A Lycoming O-320-D2A installed in a Symphony SA-160 | |
| Type | Piston aero-engine |
| National origin | United States |
| Manufacturer | Lycoming Engines |
| Major applications | |
| Manufactured | 1953–present |
The Lycoming O-320 is a large family of naturally aspirated, 320 cu in (5.2 L) air-cooled, horizontally-opposed four-cylinder, direct-drive engines produced by Lycoming Engines. Introduced in 1953, it is commonly used on light aircraft such as the Cessna 172 and Piper Cherokee, and remains in production as of 2024. Different variants are rated for 150 or 160 horsepower (112 or 119 kilowatts).