An engine designed and produced in small quantities at the Junkers Motorenbau plant in Dessau as a development of the earlier L5 engine. It was used between 1929 and 1934 in Junkers G.38 aircraft.
| Configuration | 6-cylinder inline |
| Cooling | water |
| Compression ratio | 5.5 |
| Propeller reduction | 0.5 |
| Displacement | 22.9 l |
| Weight | 420 kg |
| Maximum power | 420 hp at 2100 rpm |
| Rated power | 350 hp at 1850 rpm |
