The Franklin O-265 (company designation 6AC-264) was an American air-cooled aircraft engine of the early 1940s. The engine was of
six-cylinder, horizontally-opposed layout and
displaced 265 cu in (4 L). The power output ranged between 120 hp (89 kW) and 140 hp (104 kW) depending on variant. The 6ACG-264 featured a
geared propeller drive.