1. Teeth

Infantry Battalion
Bttn HQ: 2 rifle sqds
3 Companies@
CHQ: 1 rifle sqd
3 platoons@ 3 rifle sqds, 2-3 LMG
1 platoon: 3-4 MMG, 0-7 LMG (D8-1)
0-1 platoon: 3x 50mm mortars

1 Support Company:
CHQ: 1 rifle sqd
1 platoon: 2-4x 45mm M37 or 37mm M30 A/T guns, horse tows
1 battery: 6-9x 82mm mortars, Assigned FC
0-1 platoon: 9 PTRD41, 3 SMG sqds
0-1 platoon: 4x 12.7mm AAHMG

Divisional Recce Battalion

Bttn HQ: 2 rifle sqds, horses
2 Companies@
CHQ: 1 rifle sqd, horses
3 platoons@ 3 rifle sqds, 3 LMG, horses

2. Regiment Support

Infantry Regiment HQ: 4 rifle sqds with up to:
1 A/T Company:
CHQ: 2(8 man) rifle sqds
3 platoons@ 2 SMG sqds, 9 PTRD41

1 Anti-tank Battery: 6x 45mm M37 or M42 A/T guns, horses

1 Gun Battery: 6x 76mm M27 or 120mm mortars, horse tows, Obsolete FC

1 Engineer Platoon: 2 rifle/engineer sqds, 1 flamegun

1 Recce Platoon: 3 rifle sqds, 3 LMG, horses

3. Divisional Support

Up to:

1 AA Company:
CHQ: 1 rifle sqd
2 platoons@ 6x 37mm M39 or 12.7mm AAHMG, horses

3 Engineer Companies@

CHQ: 1 rifle sqd, 0-1 Kartukov 41
3 platoons@ 3 rifle/engineer sqds, 0-1 flamegun

1 Artillery Battalion:

BHQ: 8 rifle sqds, horses, Obsolete FC
2 batteries@ 6x 122mm M38 or M10/30, horse tows

2 Artillery Battalions@

BHQ: 6 rifle sqds, horses, Obsolete FC
2 batteries@ 6x 76mm M36 or M41 or M02/30, horse tows

1 Tank Company:

CHQ: 1x T-26A2 or A3, 1x T-26TU (up to Aug'41)
3 platoons@ 5x T-26A2 or A3

& 1 Light Tank Company:

CHQ: 1x T-38 or T-37 (up to Aug'41)
3 platoons@ 5x T-38 or T-37

OR

2 Tank Companies@

CHQ: 1x BT-7-1 or T-26B or T-40 or T-18M
3 platoons@ 3x tanks as in CHQ (Sept41+)

& 1 Tank Company:

CHQ: 1x T-34/76A M41 or BT-7-2 (Sept'41+)
2-3 platoons@ 3x tanks as in CHQ

& 1 Tank Company:

CHQ: 1x KV-1A or KV-1B (Nov'41+)
1 platoon: 2x KV-1A or KV-1B or KV-2A
1 platoon: 2x KV-1A or KV-1B

OR

1 Tank Company:

CHQ: 1x T-60A or T-70 (Sept'42+)
4 platoons@ 3x T-60A or T-70

& 2 Tank Companies@

CHQ: 1x T-34/76A M41 or T-34/76B M42
3 platoons@ 3x T-34/76A (Sept'42+)

4. Notes

a) Radios are in at Bttn HQ and above only, possibly in tank CHQ.
b) Infantry have RPG-1940 A/T grenades or VPGS-1940 rifle A/T grenades. Specialist A/T squads with PTRD41 can have extra A/T grenades and molotovs.
c) The division has 3 Infantry Regiments each of 3 battalions.
d) Note in service date of: 76mm M41(Jan'42); T-34/76B(Dec'41); KV-1B(May'41); 45mm M42(May'42)