Siemens-Halske Sh.III

Sh.III
A Siemens-Halske Sh.III at the Museo Storico dei Motori e dei Meccanismi in, Palermo, Italy
Type Counter Rotary engine
National origin Germany
Manufacturer Siemens-Halske
Major applications Siemens-Schuckert D.III and D.IV
Number built approx 1,200
Developed from Siemens-Halske Sh.1

The Siemens-Halske Sh.III was an 11-cylinder, air-cooled counter rotary engine developed in Germany during World War I. The engine was a development of the earlier 9-cylinder Siemens-Halske Sh.I.