Tier VIII Heavy Tank Soviet Union

Kirovets-1

Tank ID 62721

Vehicle description

Wargaming Tankopedia

The Kirovets-1 project (IS-3, prototype No. 1) was developed from July through November 1944. The prototype was built at the Chelyabinsk Kirov Plant in September–October 1944. From December 18 through December 24, 1944, the vehicle underwent trials at the NIBT proving grounds in Kubinka. After it was decided to manufacture a pilot series of the modified IS-2 with a hull proposed by engineers of Plant No. 100 and Central Research Institute-48, the work on the Kirovets-1 was discontinued.

Description from the Wargaming Tankopedia · Language selected automatically

Technical profile

Standard configuration

Hit points

1,550

Weight

47.5 t

Forward speed

42 km/h

Reverse speed

20 km/h

View range

360 m

Signal range

730 m

Armour

	Front	Sides	Rear
Hull	140	100	60
Turret	195	120	100

Engine: V-11-Kirovets-1 · 720 hp

Radio: 10RKM

Armament

Standard gun and ammunition

122 mm D-25TA

Calibre 122 mm

Reload time 13.0 s

Aiming time 3.1 s

Dispersion 0.45

Rate of fire 4.62 /min

Ammo capacity 30

Shell types

APCR · composite rigid Damage 293 / 390 / 488

Penetration 166 / 221 / 276 mm

HEAT · shaped charge Damage 293 / 390 / 488

Penetration 203 / 270 / 338 mm

HE · high explosive Damage 398 / 530 / 663

Penetration 46 / 61 / 76 mm

Marks of Excellence

Damage thresholds

Combined Damage (Damage + Assist + Tracking)

Combined damage

1 Mark ≥ 65 %

2,113

2 Marks ≥ 85 %

3,073

3 Marks ≥ 95 %

3,970

Approximation based on WN8 expected values — not an official Wargaming figure.

WN8 Expected Values

XVM reference

XVM Expected Values for WN8 calculation (per battle)

Per battle (avg.)

Avg. damage 1,281

Avg. spotted 1.24

Avg. kills 0.80

Avg. defence 0.50

Exp. win rate 52.74 %

Community stats

Measured, not estimated

Average across every profile stored on WG-Watch — real battles instead of expected values.

Win rate

55.33 %

Avg. WN8

2,621

Battles

1,182

As of Aug 31, 2026

Rank 92 of 228 at Tier VIII

Best players on this tank

By WN8

From the stored profiles, minimum 50 battles on this vehicle. Updated daily.

#	Player	WN8	Battles	Win rate
1	skill4ltu eu	4,586	115	69.57 %
2	Yzne eu	4,443	193	59.59 %
3	csorcshil eu	2,610	71	59.15 %
4	Quickfingers eu	2,603	50	46.00 %
5	SupremeMaster eu	2,317	58	62.07 %
6	STaTA_KAk_Y_RAka eu	2,123	294	53.74 %
7	KzH_bis__DZE eu	1,353	55	41.82 %