

The Flugmotorenwerk was assimilated into the Siemens Apparate und Maschinen GmbH in 1934. Their tiller department produced the Siemens K5 walk behind tractor from 1931 till the end of production in 1935.

The airoplane factory was transformed into a seperate company in 1926, which was called Siemens-Flugmotorenwerk, Berlin-Spandau. During the first World War large numbers of them were produced for the German forces. In 1912, Siemens & Halske started making airoplane engines in Berlin. They were supplied to provide power were electricity was not available or was no option. It is not common knownledge that the Blockwerk of Siemens & Halske AG produced internal combustion engines for many years. Siemens-Schuckertwerke GmbH (later AG), 1903-1966. Apart from tractor engines, automobile engines, submarine engines and airoplane engines, Siemens & Halske AG also made stationary engines.
