Olis - Div. Das Reich

First unit to be equipped with Brummbars began forming in April of 1943. This unit was to receive 50 out of 60 vehicles already produced, while the rest was to be put in reserve. Newly formed unit - Sturmpanzerabteilung 216 was moved to Amiens area in France for training. The unit began moving to the Eastern Front on June 10th of 1943. Sturmpanzer IV Brummbaers had their debut with Sturmpanzerabteilung 216 (part of 656 sPanzerjaeger Regiment commanded by Lieutenant-Colonel Jungenfeld) as part of Army Group Mitte (Center) at Kursk (Summer of 1943). Sturmpanzerabteilung 216 took part in the first combat action on July 5th, but its elements continued arriving into battle as late as July 18th. Jungenfeld was awarded the Knight's Cross after Kursk and was promoted to full Colonel after battle of Charkov. After Kursk, unit was refitted and was back in action in September of 1943. Sturmpanzerabteilung 216 saw combat in Russia until mid December of 1943, when it was moved back to Germany for refitting. In February of 1944, unit was moved to Italy, to the area of Anzio and Nettuno. Sturmpanzerabteilung 216 remained in combat in Italy until April of 1945, when last Brummbars were destroyed by their crews at the area of Lake Garda.

Sturmpanzerabteilung 217 was formed from April to June of 1944 at Grafenwohr. In July of 1944, it was send to Normandy, south-east of Caen. Part of Sturmpanzerabteilung 217 was destroyed at Falaise, while the rest withdrew into Holand and took part in defence of Aachen. In December, Sturmpanzerabteilung 217 took part in the German offensive in Ardennes. Following this action, Sturmpanzerabteilung 217 continued retreating into Germany to finally surrender in the Ruhr Pocket in April of 1945.

In August of 1944, two independent companies were formed - Sturmpanzer-Kompanie z.b.V. 218 and Sturmpanzer-Kompanie z.b.V. 2/218. Sturmpanzer-Kompanie z.b.V. 218 and Sturmpanzer-Kompanie z.b.V. 2/218 had 10 Brummbars each.

Sturmpanzer-Kompanie z.b.V. 218 was moved to Warsaw on August 13th and took part in the German attempt to crush the Warsaw Uprising of 1944, as part of Combat Group Reinefarth. Unit remained in Poland and was to be part of new Sturmpanzerabteilung 218 that started forming in January of 1945. New Soviet offensive put an end to it and remnants of the unit ended up in Kampfgruppe Grossdeutschland.

Sturmpanzer-Kompanie z.b.V. 2/218 was moved to Paris area in August of 1944, but its further combat record is unknown.

Sturmpanzerabteilung 218 began forming in January of 1945 and was ready for combat in March with 43 Brummbärs. In April, the entire unit was converted to Panzer-Jaeger-Verband.

In September of 1944, at Dollersheim, Sturmpanzerabteilung 219 was formed. In December, entire unit was moved to the area of Lake Velencei in Hungary. In January of 1945, Sturmpanzerabteilung 219 as part of 23rd Panzer Division took part in fighting in the area of Budapest. In March, unit lost all of its Brummbars and was moved to Czechoslovakia, where it was refitted with 10 Brummbars and captured Soviet tanks. In April, it was moved without equipment to Waidhofen and became part of Panzer-Jagd-Brigade "Trumpa".