Ranger V-770

Configuration:
12-cylinder, air-cooled, inverted vee
Model: V-770-11
Cylinder Bore: N/A
Cylinder Stroke: N/A
Displacement: 773 cu.in.
Compression: N/A
Length: N/A
Diameter: N/A
Weight: N/A
Military Power: N/A
Continuous Power: 520 hp
Take-off Power: N/A
Rated RPM: 3,150
Cost: $11,000
[Source - Wikipedia]