S-51

SPG (Artillery) Tier 7 USSR

S-51 is a tier 7 spg (artillery) from USSR in World of Tanks. This is a researchable tech-tree vehicle.

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S-51 stats at a glance

The S-51 has 280 hit points , 60mm of frontal hull armor , and a top speed of 30 km/h. Its strongest gun configuration deals 900 damage per shot with 52mm of armor penetration , giving it a theoretical maximum DPM of 1035. The vehicle can equip 2 different gun configurations, allowing for varied playstyles.

Hull & survivability

Hit points (HP)280
Weight30.8 t
Hull armor (F / S / R)60 / 60 / 60 mm

The front-to-side armor ratio is 1.0:1. Side armor is relatively comparable to the front, meaning the S-51 can absorb some side hits in close-quarters fighting.

Mobility

Top forward speed30 km/h
Top reverse speed8 km/h

Forward-to-reverse speed ratio is 3.8:1. Reverse speed is limited, so pre-aim and exposure timing matter more on this vehicle.

Camouflage

Camo (stationary)8.2%
Camo (moving)4.1%

Available guns (2)

Gun Tier Damage Pen Reload RoF
203 mm B-4 (S-51) 7 900 52mm 52.3s 1.15
152 mm BR-2 (S-51) 6 600 38mm 25.0s 2.40

With the top-tier gun, the S-51 can theoretically output up to 1035 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 S-51 compares to its peers

There are 6 tier 7 spg (artillery)s in WoT, including the S-51. Its 280 HP places it in the top 80% for hit points among same-tier spg (artillery)s (peer average: 280). Frontal hull armor of 60mm ranks in the top 0% for the class (peer average: 38mm). Top forward speed of 30 km/h is faster than 20% of peer vehicles in this tier and class. The strongest gun deals 900 damage per shot, higher than 80% of comparable vehicles. Best penetration of 52mm puts it in the top 20% for armor-piercing capability in its class.

Direct comparisons

Related tier 7 spg (artillery)s

Understand the stats

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

About this vehicle

Designed and built on the chassis of the KV-1S. The development of a prototype started in January 1944. The 203-mm B-4 howitzer was mounted on the restored hull of a KV-1S. From March 1944 through to the beginning of April, the vehicle underwent trials. Despite successful trials, the S-51 never entered mass production.

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Frequently asked

What tier is the S-51 in WoT?

The S-51 is a tier 7 spg (artillery) from USSR.

How much damage does the S-51 do?

The top gun on the S-51 deals 900 damage per shot with 52mm of standard armor penetration.

Is the S-51 a premium tank?

No — the S-51 is a researchable tech-tree vehicle, not a premium tank.

What's the top speed of the S-51?

30 km/h forward, 8 km/h reverse.

How much armor does the S-51 have?

Hull armor: 60mm front, 60mm side, 60mm rear.