Ground Vehicles
KV-1S
II
Rank
AB
4.0
RB
4.0
SB
4.0
Battle rating
USSR
Game nation
Heavy tank
Main role
14,000
Research
32,000
Purchase
General information
The KV-1S is a Soviet heavy tank. It was introduced in Update 1.57 "Battle March". A lightened KV-1 made to improve its manoeuvrability, the KV-1S has less overall armour than the original design but keeps its same lethality with improved speed.
Compared to the KV-1 L-11, side and rear armour are decreased to 60 mm, lightening the vehicle and increasing its speed to maximum 43 km/h. A new turret was installed, presenting a smaller profile, thicker armour, and better angling all around. The armament is also changed to the ZIS-5, the equivalent of its successor and the T-34's F-34 guns.
Camouflages:
Survivability and armour
Armour
front / side / back
Hull
75 / 60 / 60 mm
Turret
82 / 82 / 82 mm
Visibility
96 %
Crew
5 persons
Mobility
Max speed
Forward
4548 km/h
Backward
1718 km/h
Power-to-weight ratio
14.112.522.418.2 hp/t
Engine power
600531954775 hp
Weight
42.5 t
Optics
Gunner
Commander
Driver
Optics zoom
1.9x–3.5x
—
—
Armaments
76 mm ZIS-5 cannon
Ammunition
114 rounds
Reload
basic crew → aces
9 → 6.9 s
Vertical guidance
-5 / 25°
Turret Rotation Speed
basic crew → aces
Horizontal
8.47.113.49.7 → 1210.219.213.9 °/s
Vertical
2.82.27.34.7 → 43.210.46.7 °/s
| Ammunition | Type | Armor penetration (mm) at a distance: | |||||
|---|---|---|---|---|---|---|---|
| 10 m | 100 m | 500 m | 1000 m | 1500 m | 2000 m | ||
| APHEBC | 87 | 85 | 77 | 69 | 62 | 55 | |
| HE | 10 | 10 | 10 | 10 | 10 | 10 | |
| Shrapnel | 35 | 34 | 30 | 26 | 22 | 19 | |
| APBC | 99 | 96 | 87 | 76 | 66 | 58 | |
| APCR | 125 | 117 | 87 | 60 | 41 | 28 | |
| APHEBC | 96 | 94 | 84 | 74 | 64 | 56 | |
| Smoke | 3 | 3 | 3 | 3 | 3 | 3 | |
7.62 mm DT machine gun (coaxial)
Ammunition
3,087 rounds
Belt capacity
63 rounds
Reload
basic crew → aces
10.4 → 8 s
Fire rate
600 shots/min
| Belt | Belt filling | Armor penetration (mm) at a distance: | |||||
|---|---|---|---|---|---|---|---|
| 10 m | 100 m | 500 m | 1000 m | 1500 m | 2000 m | ||
| AP-I/API-T | 13 | 12 | 7 | 3 | 2 | 0 | |
Economy
Repair cost
Basic → Reference
AB
1,129 → 1,397
RB
1,184 → 1,465
SB
1,551 → 1,919
Crew training
9,200
Experts
250,000
Aces
270 
Research Aces
32,000
Reward multiplier
AB / RB / SB
60 / 90 / 100 %
130 %
Total cost of modifications
13,840
20,250
Talisman cost
860
Research order:
Mobility | |
|---|---|
Protection |
|---|
Firepower | |
|---|---|
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