Siemens-Schuckert Werke, part of the Siemens electrical group, produced airships, aircraft and engines through World War I. After the war, the firm focused on aircraft engines.
In 1936, the factory at Spandau was reorganized as Brandenburgische Motorenwerke GmbH and known as Bramo.

The German Air Ministry merged Bramo into BMW in 1939.

Siemens Sh 14A

In 1934, Siemens introduced the Sh 14A. Based on the Sh 14 of 1931, the cylinder bore was increased from 105 mm to 108 mm and displacement from 7.1 to 7.7 liters.
Over 15,000 engines were produced, many by Siemens' Spandau plant known as Bramo.


  • Sh 14A-4: 160 hp (119 kW)


  • 7-cylinder radial piston
    Displacement: 470 cubic inches (7.7 litres)

used by

  • Bücker Bu 133