Specifications:
Type: Six-cylinder inline inverted air-cooled
Bore: 4 1/8 in (104.8 mm)
Stroke: 5 ½ in (139.7 mm)
Displacement: 441 cubic in (7.2 litres)
Power output: 175 hp at 2,450 rpm
Compression ratio: 6:1

Designated by the U.S. Military as the L-440, this engine was used almost exclusively by Fairchild aircraft. The L-440 was first used by the U.S.Army in 1940. Over 6,500 L-440's were built.

Used on the Fairchild PT-19 trainer aircraft