IS-6

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Premium  IS-6

Icon
USSR Heavy Tank Tier VIII
Battle Tiers
123456789101112
Totals
Cost 11,800  Gold
Hit Points 1,5501,550 HP
Weight Limit 51.5/59.951.5/59.9 t
Crew
Commander (Radio Operator)
Gunner
Driver
Loader
Mobility
Engine Power 700700 hp
Speed Limit 35/14 km/h
Traverse 2626 deg/s
Power/Wt Ratio 13.5913.59 hp/t
Pivot NoNo
Armor
Hull Armor 100/100/60 mm
Turret Armor150/150/100150/150/100 mm
Armament
Damage 292.5-487.5292.5-487.5 HP
Penetration 131-219131-219 mm
Rate of Fire
5.13100% crew: 5.35 rpm
+ Vents: 5.47 rpm
+ BiA : 5.59 rpm
+ Food: 5.83 rpm
5.13100% crew: 5.35 rpm
+ Vents: 5.47 rpm
+ BiA : 5.59 rpm
+ Food: 5.83 rpm
r/m
Accuracy
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 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
24100% crew: 25.03 deg/s
+ Vents: 25.59 deg/s
+ BiA : 26.16 deg/s
+ Food: 27.29 deg/s
24100% crew: 25.03 deg/s
+ Vents: 25.59 deg/s
+ BiA : 26.16 deg/s
+ Food: 27.29 deg/s
deg/s
Gun Arc 360°
Elevation Arc -6°/+20°-6°/+20°
Ammo Capacity 3030 rounds
General
Chance of Fire 1515 %
View Range
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
Signal Range
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
Parent none
Child none
Research
RT-USSR-IS-6.jpg
USSR-Object252.png

The IS-6 is a Soviet tier 8 premium heavy tank.

Developed in the summer of 1944 by the Construction Bureau of the Kirov Plant (Leningrad). In the fall of 1944 the prototype underwent trials. It never entered mass production nor saw service.

The IS-6 replaced the KV-5 as the Soviet Tier 8 premium heavy tank available through the ingame store from patch 0.7.3. It is also currently available from the gift shop as a bundle with a garage slot all year-round. It is the cheapest of the Tier 8 premium heavy tanks, and the third cheapest of all the Tier 8 premium tanks currently available in the ingame store, after the T26E4 Super Pershing and the 8,8 cm PaK 43 Jagdtiger. It has good armour and decent mobility, but an inaccurate gun with fairly low penetration.


















Modules

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
08VIII IS-6 0150 150/150/100 mm
24100% crew: 25.03 deg/s
+ Vents: 25.59 deg/s
+ BiA : 26.16 deg/s
+ Food: 27.29 deg/s
24100% crew: 25.03 deg/s
+ Vents: 25.59 deg/s
+ BiA : 26.16 deg/s
+ Food: 27.29 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
0------ 0--- 12,500 12,500 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
08VIII 122 mm D-30 30 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
5.13100% crew: 5.35 rpm
+ Vents: 5.47 rpm
+ BiA : 5.59 rpm
+ Food: 5.83 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°/+20° --- 0--- 2,590 2,590 kg

Engine
TierNamePowerFire ChanceTypeXP CostPriceWeight
09IX V-12 A 0700 700 hp 015 15 % Diesel --- 0--- 0750 750 kg

Suspension
TierNameLoad LimitTraverse SpeedXP CostPriceWeight
08VIII IS-6 59.959.9 t 02626 d/s ------ 0--- 11,000 11,000 kg

Radio
TierNameRangeXP CostPriceWeight
07VII 10RKM
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--- --- 0--- 0100 100 kg

Historical Info

Following the Battle of Kursk in the summer of 1943, the Soviets were able to acquire a few examples of the new generation of German tanks, most notably the PzKpfw VI Tiger heavy tank (known as the "T-6H Tiger" to the Soviets) and the Panzerjäger Tiger (P) tank destroyer, better known as the Ferdinand (designated the "T-6P Ferdinand" by the Soviets). After studying these vehicles, the OGK NKTP (Otdel Glavnogo Konstruktora Narodniy Kommissariat Tankovoy Promishlennosti - Main Design Department of the People's Commissariat of Tank Production) developed a keen interest in some of their new features, particularly the neutral steering capabilities of the Tiger and the electrical transmission of the Ferdinand. They were found to make driving the tanks a lot easier, and the OGK NKTP began considering the possible incorporation of these features into Soviet tanks.

Between the 13th and 17th of November 1943, the OGK NKTP, along with the VAMM (Voennaya Akademiya Mekhanizatsii i Motorizatsii - Military Academy of Mechanisation and Motorisation) and the NATI (Nauchniy AvtoTraktorniy Institut - Automobile and Tractor Research Institute), began work on further increasing the IS-2 heavy tank's firepower and protection by developing a heavy assault tank. The project was originally intended to produce a tank with a rear-mounted superstructure and an electromechanical transmission similar to that of the Ferdinand, and was led by Deputy Chief of the GBTU (Glavnoye Bronyetankovoye Upravleniye - Main Tank Directorate) I. Lebedev. Early the next month, the design bureau of the Experimental Plant No. 100 in Chelyabinsk, under the leadership of Zhosef Kotin, designer of the KV and IS heavy tanks, began work on a new heavy tank project. Eventually, two designs for the IS-6 were submitted, both in the "classical" tank configuration.

On 8 June 1944, the NKTP ordered the Experimental Plant No. 100, along with the Uralmashzavod (Ural Machine Plant) to begin design and construction of the two IS-6 designs as the Ob'yekt 252 and Ob'yekt 253 respectively. Preliminary design work had already been completed by the Experimental Plant No. 100 under A. Yermolayev, and most of the remaining design work would be the responsibility of Uralmashzavod, as the ChKZ (Chelyabinsk Kirov Zavod - Chelyabinks Kirov Plant), with which the Experimental Plant No. 100 was associated, was also preoccupied with the production of existing tank designs, as well as with work on the Ob'yekt 701 heavy tank (the prototype of the IS-4). The Experimental Plant No. 100 would be resposible for construction of the prototypes, while the Uralmashzavod would be responsible for assembly and testing of the prototypes.

Strictly speaking, there were two different tanks which received the same designation IS-6: the Ob'yekt 252 and the Ob'yekt 253. The IS-6 featured ingame is the Ob'yekt 252. It was manufactured in October 1944, and can be easily distinguished from the Ob'yekt 253 by the large-diameter roadwheels and lack of track support rollers. The suspension had previously been tested on the IS-3 experimental heavy tank (Ob'yekt 244, not to be confused with the IS-3). It was armed with the 122 mm D-30, an improved version of the 122 mm D-25T (not to be confused with the later 122 mm 2A18 howitzer, which also had the name of D-30). The D-30 was equipped with a shell rammer for increased rate-of-fire, and also had a compressed gas system to purge the barrel of gun fumes after firing. It was fitted with a 700 hp V-12U diesel engine and a conventional mechanical transmission, while the Ob'yekt 253 was fitted with the new electro-mechanical transmission. The Ob'yekt 252 underwent factory testing from 8 to 27 November 1944 before being sent, along with the Ob'yekt 253, for further testing at the NIIBT (Nauchno-Ispitatyelniy Institut BronyeTekhnika - Research and Testing Institute for Armoured Vehicles) testing grounds in Kubinka.

Comparative testing with the Ob'yekt 701 showed that both IS-6 prototypes were broadly equivalent to it in firepower and mobility, but were inferior in armour protection. Neither IS-6 design was eventually selected for production; the Ob'yekt 252, with its mechanical transmission, was found to offer no significant advantages over existing heavy tanks, while the Ob'yekt 253's electrical transmission was found to be too bulky, too unreliable, and required too much space for the cooling units. The increased weight of the electrical transmission also reduced the vehicle's maneuverability, eliminating any advantages in handling the electrical transmission would have provided. Further development of both IS-6 designs was thus halted.


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