Theoretical composition of a Sturmpanzer Abteilung
 
The first chart below is the theoretical composition of a Sturmpanzer Abteilung including personnel, weapon and vehicle counts using the November 1, 1943 KStN.

The Nachrichtenzug (signal platoon) has 3 PanzerKampfWagen III (5 cm/L42) (Sd.Kfz.141) as Panz.Bef.Wg. but these do not seem to have been employed by any actual unit. Stu.Pz.Abt.216 did field a PanzerKampfWagen II zug (5 vehicles) but I am uncertain of its role.

Also of interest is that the Gruppe Führer of the Stbs.Kp. does not indicate any Stu.Pz.IV but it seems that the Stbs.Kp. of Stu.Pz.Abt.216 did employ Stu.Pz.IV as Panz.Bef.Wg and the Meldung for both Stu.Pz.Abt.216 and Stu.Pz.Abt.217 show an authorized strength of 45 Stu.Pz. This would seem to indicate they each had 3 Stu.Pz.IV assigned to their Stbs.Kp. In fact I cannot find these three Stu.Pz. in any of the 1943 KStN.
 
The second chart is the theoretical composition of a Sturmpanzer Abteilung using the September 1, 1944 KStN.

These KStN are freie Gliederung (fG) organization. The freie Gliederung organization removed the supply and baggage vehicles from each company and moved them to a new supply (Versorgungs-Kompanie) company. In comparing the two charts you can see that in the change to f.G. the number of trucks in a Stu.Pz.Kp. was reduced from 24 to 2 and also all the men required to operate the trucks were also removed. The new Versonrgungs company now provided all supply vehicles. The purpose of the f.G. change was to centralize the task of supply within a battalion.

In these set of KStN the Stbs.Kp. now does have authorized 3 Stu.Pz.IV as Panz.Bef.Wg.
 
 

Sturmpanzer Abteilung Theoretical Strength - freie Gliederung (fG)
K.St.N. Date (d/m/y)1.11.19431.6.1942
K.St.N.110711561160116011601185
StabStbs.Kp.Stu.Pz.Kp.1Stu.Pz.Kp.2Stu.Pz.Kp.3Werks.Kp.Total
Kopfzahl
Offizier
8
5
3
3
3
1
23
Beamte
1
3
4
Unteroffiziere
4
35
55
55
55
22
226
Mannschaften
11
138
66
66
66
96
443
Total23179124124124122696
Waffen
Karabiner
15
116
51
51
51
109
393
Pistolen
8
61
73
73
73
12
300
Masch. Pist.
2
16
31
31
31
7
118
le.M.G.
21
16
16
16
2
71
Geschütze und Werfer
3
14
14
14
45
Kraftfahrzeuge
Kraftwagen
6
54
24
24
24
31
163
Anhänger
7
7
Gepanzerte Kraftfahrzenge:Panzerkampfwagen III
3
3
Gepanzerte Kraftfahrzenge:mittlers Krankenpanzerwagen
2
2
Gepanzerte Kraftfahrzenge:Sturmgeschutze IV für 15cm
14
14
14
42
Krafträder
2
11
3
3
3
4
26
Beiwagen
4
4
_
Source: Allgemeines Heeresamt Kriegsstarkenachweisung (Heer) Band 8 and Band 8a;National Archives Microfilm Publication T78, roll 373

Sturmpanzer Abteilung Theoretical Strength - freie Gliederung (fG)
K.St.N. Date (d/m/y)1.9.19441.6.19421.9.1944
K.St.N.1107d(fG)1160(fG)1160(fG)1160(fG)11851151d(fG)
Stab u. Stbs.Kp.Stu.Pz.Kp.1Stu.Pz.Kp.2Stu.Pz.Kp.3Werks.Kp.Versorg.Kp.Total
Kopfzahl
Offizier
7
3
3
3
1
4
21
Beamte
3
1
4
Unteroffiziere
25
42
42
42
22
51
224
Mannschaften
62
32
32
32
96
127
381
Total94777777122183630
Waffen
Karabiner
48
5
5
5
109
144
316
Pistolen
32
57
57
57
12
16
231
Masch. Pist.
15
15
15
15
7
23
90
le.M.G.
15
0
0
0
2
3
20
unbesp. Geschütze und Werfer
3
14
14
14
45
Kraftfahrzeuge
Kraftwagen
15
2
2
2
31
66
118
Anhänger
7
7
Gepanzerte Kraftfahrzenge:mittlers Krankenpanzerwagen
1
2
Gepanzerte Kraftfahrzenge:Sturmgeschutze IV für 15cm
3
14
14
14
45
Krafträder
2
4
2
26
Beiwagen
4
4
Kettenkräder
8
2
2
2
4
_
Source: Allgemeines Heeresamt Kriegsstarkenachweisung (Heer) Band 8 and Band 8a;National Archives Microfilm Publication T78, roll 373

   
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