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The Object 257 has 1600 hit points , 130mm of frontal hull armor , and a top speed of 50 km/h. . The vehicle can equip 4 different gun configurations, allowing for varied playstyles.
Hull & survivability
| Hit points (HP) | 1600 |
|---|---|
| Weight | 23.9 t |
| Hull armor (F / S / R) | 130 / 130 / 70 mm |
The front-to-side armor ratio is 1.0:1. Side armor is relatively comparable to the front, meaning the Obj. 257 can absorb some side hits in close-quarters fighting.
Mobility
| Top forward speed | 50 km/h |
|---|---|
| Top reverse speed | 15 km/h |
Forward-to-reverse speed ratio is 3.3:1. Reverse speed is limited, so pre-aim and exposure timing matter more on this vehicle.
Camouflage
| Camo (stationary) | 11.1% |
|---|---|
| Camo (moving) | 5.6% |
Available guns (4)
| Gun | Tier | Damage | Pen | Reload | RoF |
|---|---|---|---|---|---|
| 122 mm BL-9 (257) | 8 | — | — | 11.1s | — |
| 122 mm BL-13-1 (257) | 9 | — | — | 13.0s | — |
| 122 mm BL-9 (257) | 8 | — | — | 11.1s | — |
| 122 mm BL-13-1 (257) | 9 | — | — | 13.0s | — |
How Obj. 257 compares to its peers
There are 60 tier 9 heavy tanks in WoT, including the Obj. 257. Its 1600 HP places it in the top 20% for hit points among same-tier heavy tanks (peer average: 1521). Frontal hull armor of 130mm ranks in the top 69% for the class (peer average: 153mm). Top forward speed of 50 km/h is faster than 88% of peer vehicles in this tier and class.
Direct comparisons
- Obj. 257 vs 50TP — tier 9 heavy tank from Poland
- Obj. 257 vs AE Phase I — tier 9 heavy tank from USA
- Obj. 257 vs AMX 50 120 — tier 9 heavy tank from France
- Obj. 257 vs AMX M4 51 FL — tier 9 heavy tank from France
- See full tier 9 heavy tank tier list — all 60 vehicles ranked
About this vehicle
A project of the heavy tank designated IS-7 that was developed in 1945. The vehicle was supposed to feature an electromechanical transmission. Development was discontinued at the documentation design stage. Existed only in blueprints.
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See Dolphin browser →Frequently asked
What tier is the Object 257 in WoT?
The Object 257 is a tier 9 heavy tank from USSR.
Is the Obj. 257 a premium tank?
No — the Object 257 is a researchable tech-tree vehicle, not a premium tank.
What's the top speed of the Obj. 257?
50 km/h forward, 15 km/h reverse.
How much armor does the Obj. 257 have?
Hull armor: 130mm front, 130mm side, 70mm rear.