sWS was produced from December of 1943 to March of 1945 by Bussing-NAG and Tatra. Vehicle was designed as replacement for Sd.Kfz.6 and Sd.Kfz.11, but only 825 were produced Each vehicle had an armoured cab (8 to 15mm). Small number was mounted with 37mm Flak guns (3.7cm FlaK auf sWS) and 150mm Nebelwefer launchers (15cm Panzerwerfer 42 auf sWS). Majority were mounted with truck type cab, while from mid-1944, number was equipped with factory mounted armoured cab - known as Gepanzerte Ausfuehrung. sWS was build in post-war period in Czechoslovakia as Tatra T809.

Technical data:
- dimensions - 70 x 45 mm
- number of details - 43