An engine designed for light aircraft, manufactured at the Societe de Moteurs Salmson plant in Billancourt. In Poland it was used in the RWD-2 and PWS-4 aircraft.
| Configuration | 9-cylinder radial |
| Cooling | air |
| Compression ratio | 5.6 |
| Displacement | 2.98 l |
| Weight | 68 kg |
| Power | 40 hp at 2000 rpm |
