IS-M

IS-M stats at a glance

The IS-M has 1320 hit points , 130mm of frontal hull armor , and a top speed of 35 km/h. Its strongest gun configuration deals 390 damage per shot with 206mm of armor penetration , giving it a theoretical maximum DPM of 1903. The vehicle can equip 4 different gun configurations, allowing for varied playstyles.

Hull & survivability

The front-to-side armor ratio is 1.1:1. Side armor is relatively comparable to the front, meaning the IS-M can absorb some side hits in close-quarters fighting.

Mobility

Forward-to-reverse speed ratio is 2.9:1. Reverse speed is limited, so pre-aim and exposure timing matter more on this vehicle.

Camouflage

Available guns (4)

With the top-tier gun, the IS-M can theoretically output up to 1903 damage per minute at sustained fire (shot damage × rounds per minute). Lower-tier guns generally trade DPM for faster reload or better handling — see the full gun table above.

How IS-M compares to its peers

There are 107 tier 8 heavy tanks in WoT, including the IS-M. Its 1320 HP places it in the top 25% for hit points among same-tier heavy tanks (peer average: 1236). Frontal hull armor of 130mm ranks in the top 57% for the class (peer average: 144mm). Top forward speed of 35 km/h is faster than 18% of peer vehicles in this tier and class. The strongest gun deals 390 damage per shot, higher than 58% of comparable vehicles. Best penetration of 206mm puts it in the top 81% for armor-piercing capability in its class.

Direct comparisons

• IS-M vs Chrysler K — tier 8 heavy tank from USA
• IS-M vs Chrysler GF — tier 8 heavy tank from USA
• IS-M vs T26E5 — tier 8 heavy tank from USA
• See full tier 8 heavy tank tier list — all 107 vehicles ranked

Related tier 8 heavy tanks

• 110 — China
• 112 FL — China, premium
• 112 — China, premium
• 50TP prototyp — Poland, premium
• 50TP Resilient — Poland, premium
• 53TP Markowskiego — Poland
• 56TP — Poland, premium
• Object 703–II (100) — USSR, premium
• All USSR tanks · Tier 8 premium tanks

Understand the stats

Want a deeper grasp of what these numbers actually mean in battle? Read the glossary:

• What is DPM — the most important offensive metric
• Alpha damage — single-shot damage and what it means for playstyle
• Penetration — and how it interacts with armor angling
• Hull-down position — the king of defensive plays
• View range — how spotting actually works

About this vehicle

The IS-2Sh (IS-M) was a project for the significant modification of the IS-2 proposed by N. F. Shashmurin at Kirov Factory No. 100 in early 1944. The design featured a long-barrel 122 mm gun and a rear placement of the fighting compartment. The project was discontinued in favor of the IS-6 (Object 252).

Frequently asked