| O-435 | |
|---|---|
| |
| Type | Piston tank and aircraft engine |
| National origin | United States |
| Manufacturer | Lycoming Engines |
| First run | 1939 |
| Major applications | Beechcraft Bonanza Bell 47 Helio Courier Hiller OH-23 Raven M22 Locust Stinson L-5 Sentinel |
| Produced | 1942–1975 out of production |
| Developed from | Lycoming O-290 |
The Lycoming O-435 is an American six-cylinder, horizontally opposed fixed-wing aircraft and helicopter engine made by Lycoming Engines. The engine is a six-cylinder version of the four-cylinder Lycoming O-290.