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Engines The Company
Model Military Number Name
1929   R-680  
1940 O-235    
1942 O-290    
1942 O-435    
1953 O-320    
1954 O-480    
1955 O-360    
1956   T53  
1957 O-540    
c.1960   T55  
1961 O-720    
c.1969 ALF 502    
1998 O-580    
Based on number of engines produced, Lycoming is the world's largest aircraft engine company.  More than half the general aviation fleet is powered by Lycoming engines.


1908: Lycoming is formed in Williamsport, Pennsylvania.

1929: As a subsidiary of E.L. Cord's Auburn Auto Co., Lycoming produces its first aircraft engine, the R-680.

1932: Lycoming Manufacturing becomes part of the Aviation Corporation (AVCO).  The company becomes known as Avco Lycoming.

1951: Lycoming hires Dr. Anselm Franz, designer of the World War II Jumo 004, and begins work on turboshaft powerplants.

1985: Avco is sold to Textron which renames the company Textron Lycoming.

1995: The jet engine business at Stratford, Connecticut is sold to AlliedSignal (now Honeywell).  The piston engine business remains Textron Lycoming.

Related Websites
Go to Textron Lycoming
Go to Honeywell

page updated 14 November 2003



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Kenneth W Shanaberger 2000 - 2010