Lycoming O-360
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 horsepower, with the basic O-360 producing 180 horsepower.
The engine family has been installed in thousands of aircraft, including the Cessna 172, Piper Cherokee/Archer, Grumman Tiger, and many home-built types. It has a factory rated time between overhaul of 2000 hours or twelve years. O-360 family engines are also widely used in airboats, most notably in the Hurricane Aircats used by the US Army during the Vietnam War.
The first O-360 certified was the A1A model, certified on 20 July 1955 to United States CAR 13 effective March 5, 1952 as amended by 13-1 and 13-2. The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by, developing.Series
The O-360 family of engines comprises 167 different models with 12 different prefixes. All have a displacement and bore and stroke.
- O-360 carbureted series
- HO-360 horizontally mounted series for helicopter installation
- LO-360 same as O-360, but with left-hand rotating crankshaft, for use in pairs on twin-engined aircraft
- TO-360 turbocharged series
- LTO-360 turbocharged left-hand rotation series
- IO-360 fuel-injected series
- LIO-360 same as IO-360, but with left-hand rotating crankshaft
- AIO-360 inverted mount fuel-injected series
- AEIO-360 aerobatic fuel-injected series
- HIO-360 horizontally mounted fuel-injected series for helicopters
- LHIO-360 left-hand rotation, fuel-injected, horizontally mounted for helicopters
- TIO-360 turbocharged and fuel-injected series
Variants
Applications
;O-360
;LO-360
- Beechcraft Duchess
- Piper PA-44-180 Seminole
;IO-360
;LIO-360
- Piper PA-34 Seneca I
- Diamond DA42
;AIO-360
;AEIO-360
;HIO-360
- Enstrom F-28
- OH-23 Raven
- Schweizer 300
;LHIO-360
- Silvercraft SH-3
- Silvercraft SH-4
Specifications (O-360-A1A)
