Tier IV Light Tank Soviet Union

BT-7

Tank ID 769

Vehicle description

Wargaming Tankopedia

The Soviet wheeled caterpillar tank used in the 1930s–1940s. The third vehicle in the series of the Soviet light BT tanks. The BT-7 differed from its predecessors in the welded hull of a modified shape and a new engine. A total of 5,556 vehicles of different variants were produced and saw action during the Khalkhyn Gol battles, Polish Campaign, Winter War and World War II.

Description from the Wargaming Tankopedia · Language selected automatically

Technical profile

Standard configuration

Hit points

510

Weight

14.1 t

Forward speed

65 km/h

Reverse speed

20 km/h

View range

340 m

Signal range

615 m

Armour

	Front	Sides	Rear
Hull	20	19	13
Turret	20	15	15

Engine: M-17T (BT-7) · 510 hp

Radio: 12LL

Armament

Standard gun and ammunition

45 mm 20K (BT-7)

Calibre 45 mm

Reload time 1.8 s

Aiming time 1.7 s

Dispersion 0.42

Rate of fire 33.33 /min

Ammo capacity 160

Shell types

AP · armour-piercing Damage 38 / 50 / 63

Penetration 56 / 75 / 94 mm

APCR · composite rigid Damage 38 / 50 / 63

Penetration 84 / 112 / 140 mm

HE · high explosive Damage 53 / 70 / 88

Penetration 17 / 23 / 29 mm

Marks of Excellence

Damage thresholds

Combined Damage (Damage + Assist + Tracking)

Combined damage

1 Mark ≥ 65 %

478

2 Marks ≥ 85 %

695

3 Marks ≥ 95 %

898

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 290

Avg. spotted 2.49

Avg. kills 0.84

Avg. defence 1.34

Exp. win rate 54.81 %

Community stats

Measured, not estimated

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

Win rate

51.64 %

Avg. WN8

871

Battles

12,585

As of Aug 31, 2026

Rank 34 of 57 at Tier IV

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	Cdr_Smudge eu	7,427	394	91.88 %
2	TANK_B_KYCTAX_ZAXBATYUK eu	2,965	360	73.06 %
3	DockedTrout4546 na	1,903	51	60.78 %
4	skill4ltu eu	1,690	154	59.74 %
5	Opa_Andy eu	1,410	60	50.00 %
6	marius1567 eu	1,300	216	51.85 %
7	JentaKor na	1,224	179	53.63 %
8	A1ever eu	1,117	305	50.16 %
9	BigPrank eu	1,086	60	68.33 %
10	anexo15 eu	982	57	49.12 %