| Introduced
in 1945, the Franklin 6A4 was the six-cylinder version of the 2A4
and 4A4. Some versions were in production as late as the mid
1970s. |
|
 | 6-cylinder, horizontally-opposed, air-cooled
piston engine |
| Displacement: 334 cubic inches
(5.5 liters) |
| Bore x stroke: 4.5 x 3.5 inches |
|
