The 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B, sometimes referred to (unofficially) as the Sturmpanzer I Bison, was a German self-propelled gun used during World War II.

The 15 cm sIG 33 auf Fahrgestell Panzerkampfwagen II (Sf), sometimes referred to as the Sturmpanzer II Bison, was a German assault gun used during World War II. The dozen …

It was the largest weapon ever classified as an infantry gun by any nation. [1] Its weight made it difficult to use in the field, and the gun was increasingly adapted to various ad hoc mobile …

Aug 12, 2016 · Before the first 15 cm sIG 33 auf Fahrgestell Panzerkampfwagen I (Sf) (Bison I) had been tested in combat in May 1940, the German Army Waffenamt was already engaged …

Jul 10, 2016 · As with its baby brother, this self-propelled artillery gun also has a problem with its name (The 15 cm sIG 33 auf Fahrgestell Panzerkampfwagen II (Sf) has wrongly been called …

Nov 12, 2022 · The nickname ‘ Bison ’ is often associated with this vehicle, but the Germans never referred to it as such. It is also sometimes referred to as Sturmpanzer I, which was …

Thirty-eight in all were produced in February 1940 by Alkett, officially named the 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf.B. The “Bison” was a nickname quickly gained, because of its …

Mar 23, 2011 · Bison GE148 15cm sIG33 auf Panzer II The Bison has a 15cm sIG33 L/12 infantry gun mounted on a highly modified Panzer II cha

On February 18th of 1941, it was decided to built Sturmpanzer II on modified and turretless chassis/hull of Panzerkampfwagen II. In July/August of 1941, first Sturmpanzer II Bison …

Self propelled heavy infantry gun 15 cm sIG 33 (Sf) auf Panzerkampfwagen I Ausf B (Sturmpanzer I, Bison). 15 cm sIG 33 L/11,4 (3 + ? rounds in ammo transporter). Traverse: …