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IS-4 (Stock)

6100000 Coste
2200 PVDurabilidad
60.02 / 66.3 Peso
  1. Comandante
  2. Operador de radio
  3. Artillero
  4. Conductor
  5. Cargador
140/160/100Blindaje del casco(frontal/laterales/trasero, mm)
250/200/170Blindaje de la torreta(frontal/laterales/trasero, mm)
750 c.v.Potencia del motor
43 km/hVelocidad punta / velocidad marcha atrás
25 gra/sVelocidad de giro
400 damage
175 mmPenetración media
11.3353370545298 Tiempo en completar carga
17 gra/sVelocidad de giro del cañón
250 mAlcance de visión
500 mAlcance de radio
El proyecto fue desarrollado por la oficina de diseño de la planta Kirov en Chelyabinsk comenzando en diciembre de 1943. En abril de 1944 se fabricaron dos prototipos del Object 701. Tras poner a prueba los prototipos, se mejoró el diseño. A finales de 1944 y primeros de 1945 dos prototipos más fueron sometidos a pruebas. El Object 701 nº 5 recibió la recomendación de entrar en servicio. Sin embargo se canceló la producción en favor del IS-3, que se estaba produciendo en masa. Tras suspenderse la producción del IS-3 en 1946, comenzó la del IS-4 hasta 1949. Se fabricaron un total de 25 IS-4M en 1951. Más tarde todos los modelos fueron modernizados al nivel de IS-4M. Según diferentes fuentes, se fabricaron entre 235 y 258 en total, todos estacionados en el Lejano Oriente.

The IS-4 is quite a versatile tank, with a good gun, and thick sloped armor. These are opposed by its somewhat low speed and agility. When armed with the 122mm M62-T2 gun, it becomes a fearsome opponent, capable of belting out generous amounts of damage. It trades frontal armor from its predecessor, the ST-I, in exchange for better side armor and higher mobility. It sports better penetration and rate of fire, it still is far from being as nimble as its counterpart, the IS-7, and feels very sluggish and slow in comparison. While its frontal armor is thinner than other tier X tanks, it compensates by having a great slope on the frontal armor plating, meaning that you will bounce enemy shots effectively. Unfortunately, the lower front plate is very soft and a rather big target to hit, effectively negating the good slope of the upper front plate. Therefore, it is best to either hull-down or position yourself at an angle to maximize your sloped armor. Take into consideration that you are a close-range brawler, not a sniper, as your guns have poor or mediocre accuracy at best, and if you miss a shot it can be painful. You do not have the speed and maneuverability to get yourself into position quickly and relocate if needed. However, you can utilize cover sufficiently effective - peek out, fire a shot at the enemy, then dive back into safety. The good side armor also makes it very suitable for side scraping. Generally, it is more well-rounded over the IS-7, but it doesn't have any extremely strong points.



Nivel Torreta Blindaje de la torreta (frontal/laterales/trasero, mm) Velocidad de giro del cañón (gra/s) Alcance de visión (m) Experiencia Peso (t)
X IS-4M 250/200/170 17 250 0 14200
Nivel Cañón Penetración media (mm) Cadencia de tiro Dispersión a 100 m Tiempo de apuntamiento Experiencia Peso (t)
VIII 122mm D-25T 175/217/61 400/400/500 5.29 0.46 2.9 0 2590
X 122 mm M62-T2 258/340/68 420/420/500 5.29 0.38 2.9 61000 3397


Nivel Motor Potencia del motor (c.v.) Probabilidad de incendio tras disparo Experiencia Peso (t)
X V-12 750 15 0 1024

Nivel Suspensión Límite de carga Velocidad de giro (gra/s) Experiencia Peso (t)
X IS-4 66.3 25 0 11000


Nivel Radio Alcance de radio (m) Experiencia Peso (t)
X _10RK-26 500 0 160

Compatible Equipment

Estabilizador vertical Mk 2
Planchas de blindaje pesado
Red de camuflaje
Llenado de tanques con CO2
Ópticas recubiertas
Cierre de la retícula mejorado
Barras de torsión mejoradas clase +5 t
Filtro ciclónico
Ventilación mejorada clase 3
Barra de carga para carro pesada
Telescopio binocular
Caja de herramientas
Municiones "húmedas" clase 2

Compatible Consumables

Player Opinion

Pros and Cons


  • Excellent turret armor with strong nose and sides
  • Larger hitpoint pool more reminiscent of a heavy tank unlike IS-7
  • Very good thick hull armor with creative sloping to allow a range of defensive tactics
  • Excellent side armor thickness and slope allows for excellent sidescraping abilities
  • Lower profile makes weak spots difficult to target


  • Very poor traverse speed and ground resistance makes the tank feel sluggish
  • Below average gun handling and below average DPM
  • Driver vulnerable from frontal hits and damaged often
  • Small ammunition capacity can be a factor in drawn out engagements


IS-4 can be an excellent tank when played properly. Its’ lack of low end mobility can limit the available play styles, yet when the strong turret, side armor, and penetration are taken advantage of, this tank can be invaluable.

Of the tactics IS-4 does well, hull down is likely its’ best. The turret is exceptionally strong from the front, capable of deflecting all but tier X Tank Destroyer rounds. It does however have a weak hatch door similar to an IS-3 or IS-6, requiring drivers need to ensure they have an elevated hull down position over their target. Even a few meters of elevation is all that’s needed to mitigate the weak hatch. When truly hull down, IS-4 can loiter there, fully aim, and easily penetrate weak armor points on most enemy tanks. Locations such as the windmill at Winter Malinovka, top hill on Copperfield, caves at Black Goldville are examples of terrain where this tank is most effective.

IS-4’s other main strength is sidescraping. The side armor is thick, heavily sloped, and riddled with spaced portions. At a proper angle, one can reliable reliably deflect even Tier X tank destroyer rounds if necessary. IS-4 drivers should hope to engage other heavy tanks in areas where the side armor can be taken advantage of. When setting up a position for side scraping, one must remember to always have the enemy fire and miss/bounce first, as the frontal armor is not as reliable and will be slightly vulnerable when a proper shot can be returned.

IS-4 drivers should be cautious whenever engaging medium tanks as the poor traverse and low end acceleration make it very vulnerable to circle tactics. When engaging medium tanks, defending at medium or greater range will increase chances for success. Despite this weakness, IS-4 should not be choosing locations that are medium tank friendly. It instead should be looking to mix it up with enemy heavy tanks or hold a front line position.

Historical Info

Originally developed in competition with the IS-3, the IS-4 was similarly an extensive redesign of the IS-2. The hull was lengthened, with an extra set of road wheels added and an improved engine. Both the hull and turret were up-armored. Several alternative armaments were explored in paper studies, but ultimately the IS-2's original 122mm gun was retained. An effort was also made to incorporate technical data derived from study of the German wartime Panzer V Panther tank, which influenced the layout of the IS-4's engine cooling system. The tank was approved for mass production in 1948, but due to disappointing speed and mobility, only 200 were manufactured. Most of these were transferred to the Russian Far East in 1950, in preparation for the planned Soviet intervention in the Korean War. When this operation was aborted, the tanks nevertheless remained stationed in the region until their decommissioning in the 1960's.

Historical Gallery

Sources and External Links

Light Tanks IMS-1 IIBT-2 IIT-26 IITetrarch IIIBT-7 IIIBT-SV IIILTP IIIM3 Light IIIT-127 IIIT-46 IVA-20 IVValentine II
Medium Tanks IVA-32 IVT-28 VMatilda IV VT-34 VIT-34-85 VIT-34-85 Victory VIIKV-13 VIIT-34-85 Rudy VIIT-43 VIIIT-44 IXT-54 XObjeto 140 XT-62A
Heavy Tanks VChurchill III VKV-220 Beta-Test VKV-1 VIKV-1S VIKV-2 VIT-150 VIIIS VIIKV-3 VIIIIS-3 VIIIIS-6 VIIIIS-6 Fearless VIIIKV-5 VIIIKV-4 IXIS-8 IXST-I XIS-4 XIS-7
Tank Destroyers IIAT-1 IIISU-76 IVSU-85B VSU-85 VSU-85I VISU-100 VISU-100Y VIISU-152 VIISU-100M1 VIISU-122-44 VIIIISU-152 VIIISU-101 IXObject 704 IXSU-122-54 XObject 263 XObject 268
Heavy Tanks
USA VT14 VT1 Heavy Tank VIM6 VIIT29 VIIIT32 VIIIT34 VIIIT34 Independence IXM103 XT110E5
UK VChurchill I VExcelsior VIChurchill VII VITOG II* VIIBlack Prince VIIICaernarvon IXConqueror XFV215b
Germany IVPz.Kpfw. B2 740 (f) IVDurchbruchswagen 2 VVK 30.01 (H) VIVK 36.01 (H) VIITiger I VIITiger (P) VIITankenstein VIIILöwe VIIITiger II VIIIVK 45.02 (P) Ausf. A IXE 75 IXVK 45.02 (P) Ausf. B XE 100 XMaus