An inline engine in a “W” configuration (2 cylinders in each of 6 blocks), designed and produced at the Société des Avions H. M. et D. Farman works in Billancourt. The engine was used in the prototype of the Lublin R.VIII aircraft.
| Configuration | 8-cylinder inverted V-type (90°) |
| Cooling | air |
| Compression ratio | 6.0 |
| Displacement | 12.6 l |
| Propeller reduction | 0.50 |
| Weight | 260 kg |
| Maximum power | 280 hp at 2250 rpm |
| Rated power | 220 hp at 2150 rpm |