IS-3

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IS-3

Render
USSR Heavy Tank Tier VIII
Battle Tiers
123456789101112
Totals
Cost 2,568,500  Credits
Hit Points 1,4501,500 HP
Weight Limit 48.7/50.649.095/53.9 t
Crew
Commander (Radio Operator)
Gunner
Driver
Loader
Mobility
Engine Power 650700 hp
Speed Limit 38/15 km/h
Traverse 2730 deg/s
Power/Wt Ratio 13.3514.26 hp/t
Pivot NoNo
Armor
Hull Armor 110/90/60 mm
Turret Armor175/175/100249/172/100 mm
Armament
Damage 293-488293-488 HP
Penetration 131-219169-281 mm
Rate of Fire
4.08100% crew: 4.26 rpm
+ Vents: 4.35 rpm
+ BiA : 4.45 rpm
+ Food: 4.64 rpm
4.51100% crew: 4.7 rpm
+ Vents: 4.81 rpm
+ BiA : 4.92 rpm
+ Food: 5.13 rpm
r/m
Accuracy
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
0.4100% crew: 0.38 m
+ Vents: 0.38 m
+ BiA : 0.37 m
+ Food: 0.35 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
28100% crew: 29.2 deg/s
+ Vents: 29.86 deg/s
+ BiA : 30.52 deg/s
+ Food: 31.84 deg/s
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
deg/s
Gun Arc 360°
Elevation Arc -5°/+23°-5°/+23°
Ammo Capacity 2828 rounds
General
Chance of Fire 1512 %
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-IS.png
Child
Contour-USSR-IS8.png164,700 XP
Research
RT-USSR-IS-3.jpg
Values are Stock - click for Top
USSR-IS-3.png

The IS-3 is a Soviet tier 8 heavy tank.

Developed in 1944, with a total of 29 vehicles manufactured before the end of World War II and 2,282 by the middle of 1946. The tank did not see action in World War II.

The IS-3 has more agility and speed than the German Pz.Kpfw. Tiger II, and finds itself at home engaging in close-quarters combat. While not having as thick of frontal hull armor as its German counterpart, it more than makes up for this because it is sloped and has agility. The front of its upgraded turret is also very armored and sloped, making it difficult to penetrate, and has small weak points. However, it cannot use that to hull down very well because it is small and lacks gun depression. The IS-3 is also a devastating tank up front when it is equipped with its top gun, with high alpha damage and penetration.

The IS-3 leads to the IS-8.


















Modules

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
08VIII Kirovets-1 0175 175/175/100 mm
28100% crew: 29.2 deg/s
+ Vents: 29.86 deg/s
+ BiA : 30.52 deg/s
+ Food: 31.84 deg/s
28100% crew: 29.2 deg/s
+ Vents: 29.86 deg/s
+ BiA : 30.52 deg/s
+ Food: 31.84 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------ 30,00030,000 Credits 11,200 11,200 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
07VII 100 mm D10T 50 250/250/330 HP 175/235/50 mm 252 Credits/10 Gold/252 Credits
6.82100% crew: ? rpm
+ Vents: ? rpm
+ BiA : ? rpm
+ Food: ? rpm
r/m
0.42100% crew: 0.4 m
+ Vents: 0.39 m
+ BiA : 0.39 m
+ Food: 0.37 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-5°/+23° 16,500 78,18078,180 Credits 2,257 2,257 kg
07VII 122 mm D-2-5T 28 390/390/465 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
-5°/+23° --- 84,98084,980 Credits 2,600 2,600 kg
08VIII 122 mm D-25T 28 390/390/465 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
-5°/+23° 19,000 125,140125,140 Credits 2,590 2,590 kg
09IX 122 mm BL-9 28 390/390/465 HP 225/265/68 mm 1,025 Credits/12 Gold/608 Credits
4.51100% crew: 4.7 rpm
+ Vents: 4.81 rpm
+ BiA : 4.92 rpm
+ Food: 5.13 rpm
r/m
0.4100% crew: 0.38 m
+ Vents: 0.38 m
+ BiA : 0.37 m
+ Food: 0.35 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-5°/+23° 44,000 178,500178,500 Credits 2,790 2,790 kg

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
08VIII IS-3 0249 249/172/100 mm
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 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
14,62514,625 31,50031,500 Credits 11,500 11,500 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
07VII 100 mm D10T 50 250/250/330 HP 175/235/50 mm 252 Credits/10 Gold/252 Credits
6.82100% crew: ? rpm
+ Vents: ? rpm
+ BiA : ? rpm
+ Food: ? rpm
r/m
0.42100% crew: 0.4 m
+ Vents: 0.39 m
+ BiA : 0.39 m
+ Food: 0.37 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-5°/+23° 16,500 78,18078,180 Credits 2,257 2,257 kg
07VII 122 mm D-2-5T 28 390/390/465 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
-5°/+23° --- 84,98084,980 Credits 2,600 2,600 kg
08VIII 122 mm D-25T 28 390/390/465 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
-5°/+23° 19,000 125,140125,140 Credits 2,590 2,590 kg
09IX 122 mm BL-9 28 390/390/465 HP 225/265/68 mm 1,025 Credits/12 Gold/608 Credits
4.51100% crew: 4.7 rpm
+ Vents: 4.81 rpm
+ BiA : 4.92 rpm
+ Food: 5.13 rpm
r/m
0.4100% crew: 0.38 m
+ Vents: 0.38 m
+ BiA : 0.37 m
+ Food: 0.35 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-5°/+23° 44,000 178,500178,500 Credits 2,790 2,790 kg

Engine
TierNamePowerFire ChanceTypeXP CostPriceWeight
08VIII V-11 0650 650 hp 015 15 % Diesel --- 55,27055,270 Credits 0750 750 kg
09IX V-2-54IS 0700 700 hp 012 12 % Diesel 26,000 79,29079,290 Credits 0700 700 kg

Suspension
TierNameLoad LimitTraverse SpeedXP CostPriceWeight
07VII IS-3 50.5650.56 t 02727 d/s ------ 17,78017,780 Credits 10,000 10,000 kg
08VIII IS-3M 53.953.9 t 03030 d/s 14,20014,200 31,45031,450 Credits 10,000 10,000 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 R-113
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

Designed in 1944, with 29 vehicles produced by the end of WWII and 2,282 by mid-1946.

The Iosef Stalin 3, also known as the Joseph Stalin 3 had improved armor layout, and a hemispherical cast turret (resembling an overturned "soup bowl") which became the hallmark of post-war Soviet tanks. While this low, hemispherical turret may have made the IS-3 better protected, it also imposed severe penalties inside the tank by significantly diminishing the working headroom, especially for the loader (Soviet tanks in general are characterized by uncomfortably small interior space compared to Western tanks). The low turret also limited the maximum depression of the main gun, since the gun breech had little room inside the turret to pivot on its vertical axis. As a result, the IS-3 was less able to take advantage of hull-down positions as Western tanks. The IS-3's pointed prow earned it the nickname Shchuka (Pike) by its crews. It weighed slightly less than the IS-2 and stood 30 cm lower.

Firepower

The 122mm A19 main gun was an established field gun as a towed howitzer and not only offering a capable armour piercing capacity at short ranges, it offered a superior bunker bashing capability thanks to the High Explosive rounds it fired. The 122m A19 had been around since the 1930’s and had an established manufacturing infrastructure behind it, which also supported the decision to adopt it as the main gun. Also known as the D25-T, it used Separate Loading ammunition, which limited the amount of shells carried to 28. The HE round or Armour piercing round was loaded in to the breach and then the combustible charge was loaded after, at which point the breach was closed and the gun fired. Two 7.62mm and one 12.7mm MG’s were used as secondary armaments.

The D25-T had an unfortunate tendency to explode, and its gun tube had a relatively short life. During trials on the A19's muzzle brake, the tube exploded, seriously injuring Marshall Kliment Voroshilov in the process; this led to protests against further development of the A-19, but Joseph Stalin intervened and insisted the A-19 be fielded regardless. The 122/40 D25-T also had a short tube life; approximately 200 rounds could be fired out of the main gun before the gun barrel wore out.

Despite these problems, the IS-3's main gun possessed an impressive amount of firepower. The D25-T could throw a 122mm APBC round 2000m and potentially penetrate up to 129mm of RHA steel. At 500m, the A-19's BR-471B APBC could penetrate up to 157mm.

Service History

The IS-3 came too late to see action in World War II. Though some older sources claim that the tank saw action at the end of the war in Europe, there are no official reports to confirm this. It is now generally accepted that the tank saw no action against the Germans, although one regiment may have been deployed against the Japanese in Manchuria.

In post-war conflicts, the IS-3 saw combat with the Soviet Army during the 1956 invasion of Hungary, and the Prague Spring in 1968.

Starting in 1960, the IS-3 was slightly modernized as the IS-3M, in a manner similar to the IS-2M. The Egyptian Army acquired about 100 IS-3M tanks in all from the Soviet Union. During the Six Day War, a single regiment of IS-3M tanks was stationed with the 7th Infantry Division at Rafah; the 125th Tank Brigade of the 6th Mechanized Division at Kuntilla was also equipped with about 60 IS-3M tanks.

Israeli infantry and paratrooper units had considerable difficulty with the IS-3M when it was encountered due to its thick armour, which shrugged off hits from normal infantry anti-tank weapons such as the Bazooka. Even the 90 mm AP shell fired by the main gun of the Israeli Defense Force (IDF) M48 Patton tanks could not penetrate the frontal armour of the IS-3s at normal battle ranges. However, due to the IS-3's much thinner flank armor, Israeli Patton and Centurion Tanks had little trouble penetrating the sides of the IS-3 tanks. Captured tanks were subsequently used by the Israeli army as static artillery pieces.


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