in 1957, the O-540 is one of Textron-Lycoming's best-selling
piston engines. The O-540 is basically a six-cylinder version
of the four-cylinder O-360.
The eight-cylinder O-720 rounds out
this engine family.
Current versions include direct injection and many
|Horizontally opposed, 6 cylinder, piston engine|
|Displacement: 541 cubic inches|
|Bore x stroke: 5.125 x 4.375 inches|