Its German full name was: Panzerfeldhaubitze 18M auf Geschützwagen III/IV (Sf) Hummel with designation: Sd.Kfz. 165. The Hummel, German Bumblebee, was a self-propelled 15 cm Houwitser which provided artillery support for the German panzer units. It was based on a Panzerkampfwagen IV and used steering and driving systems from the Panzerkampfwagen III hence the name Geschütswagen III/IV.











