4A4-85-A3 is a piston engine model used in aircraft.
Engine Family: piston
Bore: 114.3 millimetre
Compression ratio: 6.5
Cooling system: Air
Cylinder configuration: Horizontally opposed
Cylinder count: 4
Displacement: 3687 cubic-centimetre
Dry weight: 90 kilogram
Fuel grade: 73
Fuel type: Avgas
Max. continuous RPM: 2350
Max. continuous hp: 85 horsepower
Max. takeoff RPM: 2350
Max. takeoff hp: 85 horsepower
Stroke: 88.9 millimetre
