StuG III Ausf. F conversion to StuIG 33

tanks-encyclopedia.c..fanteriegeschutz-33/

In essence, this meant reusing older chassis which were either used for training or were from damaged vehicles which were returned to Germany for repairs. StuG III chassis used ranged from the Ausf.A to Ausf.F.

The first 6 vehicles were completed by 7th October 1942, and the remaining six three days later. On 13th October, all 12 were reported ready for service.
The remaining 12 from the second series were reported ready by mid-November 1942.