Model Variants (Including Prototypes)
sFH 13 - Base Series Designation; short barrel ("kurz") version.
lg. sFH 13 - Long barrel version
lg. sFH 13/02 - Long barrel version simplified for mass production.
sFH 409(b) - Captured Belgian sFH 13 systems for use by the German Army in WW2.
sFH 406(h) - Captured Dutch sFH 13 systems for use by the German Army in WW2.