6-390 is a piston engine model used in aircraft.
Engine Family: piston
Bore: 101.6 millimetre
Compression ratio: 5.2
Cooling system: Air
Cylinder configuration: Inline
Cylinder count: 6
Displacement: 6325 cubic-centimetre
Dry weight: 159 kilogram
Fuel grade: 57
Fuel type: Avgas
Max. continuous RPM: 2150
Max. continuous hp: 120 horsepower
Max. takeoff RPM: 2150
Max. takeoff hp: 120 horsepower
Stroke: 130.18 millimetre