15cm Panzerwerfer 42 (Sf.) auf Gleisketten Lkw (Sd. Kfz. 4/1)
The 15cm Panzerwerfer 42 was mounted on the Opel Maultier, exclusively. The chassis was overloaded by the armoured superstructure. In total, 296 vehicles were manufactured.
The 15cm Panzerwerfer 42 consisted of ten barrels for rockets. Inside of the vehicle, ten rockets could be transported in special holders. So a fully armed vehicle could fire two complete salvos. One salve could be fired within ten seconds. The rockets had a range of 300 to 6900 meters. (Photo: German federal archive via Wikimedia Commons; License: Creative Commons BY-SA-3.0-gb)