PLAY
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
RP
Research
32,000
SL
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.



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 8.47.113.49.71210.219.213.9 °/s
Vertical 2.82.27.34.743.210.46.7 °/s

AmmunitionTypeArmor penetration (mm) at a distance:
10 m100 m500 m1000 m1500 m2000 m
APHEBC878577696255
HE101010101010
Shrapnel353430262219
APBC999687766658
APCR12511787604128
APHEBC969484746456
Smoke333333
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

BeltBelt fillingArmor penetration (mm) at a distance:
10 m100 m500 m1000 m1500 m2000 m
AP-I/API-T13127320
Economy
Repair cost Basic → Reference
AB 1,129 → 1,397 SL
RB 1,184 → 1,465 SL
SB 1,551 → 1,919 SL
Crew training 9,200 SL
Experts 32,000 SL
Aces 270 GE
Research Aces 250,000 RP
Reward multiplier AB / RB / SB
60 / 90 / 100 % SL
130 % RP
Total cost of modifications 13,840 RP
20,250 SL
Talisman cost 860 GE

Research order:

Mobility
Protection
Firepower
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