The Lycoming O-540 is a family of air-cooled six-cylinder, horizontally opposed fixed-wing aircraft and helicopter engines of 541.5 cubic inches displacement, manufactured by Lycoming Engines. The eng
AEIO-540
Lycoming TEO-540
An LTIO-540 mounted on the right wing of a Piper Chieftain: The turbocharger can be seen in the upper right of the image.
The Lycoming O-360 is a family of four-cylinder, direct-drive, horizontally opposed, air-cooled, piston aircraft engines. Engines in the O-360 series produce between 145 and 225 hp, with the basic O-3
Lycoming IO-360-A1B6
Piper PA-44-180 Seminole features two Lycoming O-360 engines
An LIO-360 on the starboard wing of a Piper PA-34-200 Seneca I.