KV-4

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KV-4

Icon
USSR Heavy Tank Tier VIII
Battle Tiers
123456789101112
Totals
Cost 2,430,000  Credits
Hit Points 1,6001,650 HP
Weight Limit 97.43/102.56106.695/112.6 t
Crew
Commander
Gunner
Driver
Radio Operator
Loader
Loader
Mobility
Engine Power 10001200 hp
Speed Limit 30/11 km/h
Traverse 1618 deg/s
Power/Wt Ratio 10.2611.25 hp/t
Pivot NoNo
Armor
Hull Armor 180/150/90 mm
Turret Armor180/130/110180/150/140 mm
Armament
Damage 225-375240-400 HP
Penetration 125-209170-284 mm
Rate of Fire
6.45100% crew: 6.73 rpm
+ Vents: 6.88 rpm
+ BiA : 7.03 rpm
+ Food: 7.34 rpm
5.41100% crew: 5.64 rpm
+ Vents: 5.76 rpm
+ BiA : 5.89 rpm
+ Food: 6.15 rpm
r/m
Accuracy
0.45100% crew: 0.43 m
+ Vents: 0.42 m
+ BiA : 0.41 m
+ Food: 0.4 m
0.38100% crew: 0.36 m
+ Vents: 0.36 m
+ BiA : 0.35 m
+ Food: 0.33 m
m
Aim time
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
Turret Traverse
20100% crew: 20.86 deg/s
+ Vents: 21.33 deg/s
+ BiA : 21.8 deg/s
+ Food: 22.74 deg/s
20100% crew: 20.86 deg/s
+ Vents: 21.33 deg/s
+ BiA : 21.8 deg/s
+ Food: 22.74 deg/s
deg/s
Gun Arc 360°
Elevation Arc -6°/+18°-6°/+18°
Ammo Capacity 6050 rounds
General
Chance of Fire 1515 %
View Range
330100% crew: 330 m
+ Vents: 337.07 m
+ BiA : 344.14 m
+ Food: 358.29 m
350100% crew: 350 m
+ Vents: 357.5 m
+ BiA : 365 m
+ Food: 380 m
m
Signal Range
440100% crew: 458.86 m
+ Vents: 469.23 m
+ BiA : 479.6 m
+ Food: 500.34 m
730100% crew: 761.29 m
+ Vents: 778.49 m
+ BiA : 795.7 m
+ Food: 830.11 m
m
Parent Contour-USSR-KV-3.png
Child
Contour-USSR-ST I.png166,000 XP
Research
RT-USSR-KV-4.jpg
Values are Stock - click for Top
USSR-KV4.png

The KV-4 is a Soviet tier 8 heavy tank.

The project of N. L. Dukhov developed in April 1941. A prototype was to be produced by November 1941. However, the work was discontinued due to the outbreak of the Soviet–German war.

It is in many ways the antithesis of the IS-3 - it is slow but heavily armored, just like the KV-5, and has the same pitiful turret traverse speed. This ensures that the KV-4 is ill-suited to defend against flankers or circling tanks. While it does have 180mm of frontal armor, it is nearly unsloped and it is recommended that the hull of the tank be angled to maximize its effect and make use of the sturdy sides. The long 107's penetration and damage are comparable to those of German long 105mm from the Tiger II and it is relatively accurate. This allows it to work much like the Tiger II as a slow, long-range sniper with thick armor, capable of going into close-range combat if needed. This tank weighs over a 100 tons, roughly 53% of the Maus's weight and only 29 tonnes lighter than the E-100 . The weight ensures that any tanks that dare ram this tank will receive a harsh punishment.

The KV-4 leads to the ST-I.


















Modules

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
07VII KV-4 0180 180/130/110 mm
20100% crew: 20.86 deg/s
+ Vents: 21.33 deg/s
+ BiA : 21.8 deg/s
+ Food: 22.74 deg/s
20100% crew: 20.86 deg/s
+ Vents: 21.33 deg/s
+ BiA : 21.8 deg/s
+ Food: 22.74 deg/s
d/s
360°
330100% crew: 330 m
+ Vents: 337.07 m
+ BiA : 344.14 m
+ Food: 358.29 m
330100% crew: 330 m
+ Vents: 337.07 m
+ BiA : 344.14 m
+ Food: 358.29 m
m
0------ 23,45023,450 Credits 15,400 15,400 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
07VII 107 mm ZiS-6 60 300/300/360 HP 167/219/54 mm 270 Credits/11 Gold/280 Credits
6.45100% crew: 6.73 rpm
+ Vents: 6.88 rpm
+ BiA : 7.03 rpm
+ Food: 7.34 rpm
r/m
0.45100% crew: 0.43 m
+ Vents: 0.42 m
+ BiA : 0.41 m
+ Food: 0.4 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+12° --- 68,29068,290 Credits 2,400 2,400 kg
07VII 122 mm D-2-5T 50 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
4.08100% crew: 4.26 rpm
+ Vents: 4.35 rpm
+ BiA : 4.45 rpm
+ Food: 4.64 rpm
r/m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+12° 17,000 84,98084,980 Credits 2,600 2,600 kg
08VIII 122 mm D-25T 50 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
4.88100% crew: 5.09 rpm
+ Vents: 5.2 rpm
+ BiA : 5.32 rpm
+ Food: 5.55 rpm
r/m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+12° 19,000 125,140125,140 Credits 2,590 2,590 kg
09IX 107 mm ZiS-24 50 320/320/420 HP 227/289/62 mm 1,010 Credits/10 Gold/650 Credits
5.26100% crew: 5.49 rpm
+ Vents: 5.61 rpm
+ BiA : 5.74 rpm
+ Food: 5.98 rpm
r/m
0.38100% crew: 0.36 m
+ Vents: 0.36 m
+ BiA : 0.35 m
+ Food: 0.33 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+12° 44,000 180,000180,000 Credits 2,840 2,840 kg

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
08VIII KV-4-5 0180 180/150/140 mm
20100% crew: 20.86 deg/s
+ Vents: 21.33 deg/s
+ BiA : 21.8 deg/s
+ Food: 22.74 deg/s
20100% crew: 20.86 deg/s
+ Vents: 21.33 deg/s
+ BiA : 21.8 deg/s
+ Food: 22.74 deg/s
d/s
360°
350100% crew: 350 m
+ Vents: 357.5 m
+ BiA : 365 m
+ Food: 380 m
350100% crew: 350 m
+ Vents: 357.5 m
+ BiA : 365 m
+ Food: 380 m
m
14,80014,800 31,00031,000 Credits 24,000 24,000 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
07VII 107 mm ZiS-6 60 300/300/360 HP 167/219/54 mm 270 Credits/11 Gold/280 Credits
6.67100% crew: 6.95 rpm
+ Vents: 7.11 rpm
+ BiA : 7.27 rpm
+ Food: 7.58 rpm
r/m
0.45100% crew: 0.43 m
+ Vents: 0.42 m
+ BiA : 0.41 m
+ Food: 0.4 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-6°/+18° --- 68,29068,290 Credits 2,400 2,400 kg
07VII 122 mm D-2-5T 50 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
4.17100% crew: 4.35 rpm
+ Vents: 4.44 rpm
+ BiA : 4.54 rpm
+ Food: 4.74 rpm
r/m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+18° 17,000 84,98084,980 Credits 2,600 2,600 kg
08VIII 122 mm D-25T 50 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
4.96100% crew: 5.17 rpm
+ Vents: 5.29 rpm
+ BiA : 5.4 rpm
+ Food: 5.64 rpm
r/m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+18° 19,000 125,140125,140 Credits 2,590 2,590 kg
09IX 107 mm ZiS-24 50 320/320/420 HP 227/289/62 mm 1,010 Credits/10 Gold/650 Credits
5.41100% crew: 5.64 rpm
+ Vents: 5.76 rpm
+ BiA : 5.89 rpm
+ Food: 6.15 rpm
r/m
0.38100% crew: 0.36 m
+ Vents: 0.36 m
+ BiA : 0.35 m
+ Food: 0.33 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-6°/+18° 44,000 180,000180,000 Credits 2,840 2,840 kg

Engine
TierNamePowerFire ChanceTypeXP CostPriceWeight
09IX М-40 1000 1000 hp 015 15 % Diesel --- 85,00085,000 Credits 1,250 1,250 kg
09IX 2x V-2K-F 1200 1200 hp 015 15 % Diesel 27,300 87,50087,500 Credits 1,500 1,500 kg

Suspension
TierNameLoad LimitTraverse SpeedXP CostPriceWeight
07VII KV-4 102.56102.56 t 01616 d/s ------ 17,78017,780 Credits 20,000 20,000 kg
08VIII KV-4 Bis 112.56112.56 t 01818 d/s 15,20015,200 33,60033,600 Credits 20,000 20,000 kg

Radio
TierNameRangeXP CostPriceWeight
07VII 10RK
440100% crew: 458.86 m
+ Vents: 469.23 m
+ BiA : 479.6 m
+ Food: 500.34 m
440100% crew: 458.86 m
+ Vents: 469.23 m
+ BiA : 479.6 m
+ Food: 500.34 m
m
0--- --- 18,60018,600 Credits 0100 100 kg
09IX 12RT
625100% crew: 651.79 m
+ Vents: 666.52 m
+ BiA : 681.25 m
+ Food: 710.71 m
625100% crew: 651.79 m
+ Vents: 666.52 m
+ BiA : 681.25 m
+ Food: 710.71 m
m
5,600 5,600 33,60033,600 Credits 0110 110 kg
10X R113
730100% crew: 761.29 m
+ Vents: 778.49 m
+ BiA : 795.7 m
+ Food: 830.11 m
730100% crew: 761.29 m
+ Vents: 778.49 m
+ BiA : 795.7 m
+ Food: 830.11 m
m
8,700 8,700 52,20052,200 Credits 0080 80 kg

Historical Info

The KV-4 (Object 224) was a proposed Soviet heavy break-through tank, developed during World War II. Part of the Kliment Voroshilov tank design series, it never progressed past a series of feasibility studies.

Design History

In April 1941, it was decided to create a project for a new Super-heavy tank. It was supposed to be able to defeat any German heavy tank. The project was intended to remain an unbuilt design, until it was needed. Several tank designers were told to create basic concept drawings. Sources differ as to the designers involved. Among those listed are: Kreslavsky; Kuzmin, Tarapatin and Tarotko (who together worked on the same design); Pereverzev; Mikhailov; Kruchenykh; Tseits, K. Buganov; S. Fedorenko; G. Kruchenykh; F. Marishkin; G. Moskvin; N. Strukov; A. Yermolaev; L. Sychev; L. Pereverzev; Bykov; N. Dukhov; M. Kreslavskiy; V. Pavlov; D. Grigorev. Basic armour was to be 125 to 130 mm and up to 150 mm over vulnerable areas. A new gun was required. There were about 20 different designs generated by the project. The lightest design was 82.5 tonnes and the heaviest was 107.7 tonnes. All had a 107mm ZiS-6 main gun and all but one had a second tank gun. The second gun was a 45 mm 20-K, or a 76 mm gun. Solutions to the positioning of the guns – turrets or hull mountings – varied. Crew requirements were from 5 to 9 men. The tank was never needed and by the end of the war, there were superior heavy tanks the IS-3 heavy tank already in production.

The 107 mm ZiS-6 Guns

The F-42 107 mm tank gun was created in Plant #92, in a design bureau under the supervision of V. Grabin. The F-42 was based on the F-39 95 mm tank gun and it was finished in the fall of 1940. By the beginning of 1941, the new gun had been factory tested in a field casemate. In March 1941 it was tested in the turret of a KV-2 tank. The ZiS-6 gun passed factory testing by June 1941, after which it was sent to the Artillery Scientific Test Range at Leningrad.

According to V. Grabin ("Oruzhie Pobedy" - "Weapons of Victory") about 600 ZiS-6 guns had been finished by the fall of 1941. Those guns were all destroyed because the tanks were never going to be made. The plants chief designer wrote that "five serially-produced ZiS-6 cannons were manufactured in July-August 1941, after which their production was halted because the heavy tanks were not ready". Those documents had been signed by V. Grabin.


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