T21
Tier VI Light Tank USA

T21

Tank ID 15137

Vehicle description

Wargaming Tankopedia

A lightweight version of the T20 medium tank with the M7 elongated chassis. The vehicle was developed in the first half of 1943. Unlike the T20 tank, the T21 featured reduced armor and lighter armament. The vehicle never entered mass production nor saw service.

Description from the Wargaming Tankopedia · Language selected automatically

Technical profile

Standard configuration

Hit points

670

Weight

23.2 t

Forward speed

57 km/h

Reverse speed

21 km/h

View range

380 m

Signal range

410 m

Armour

Front Sides Rear
Hull 29 25 22
Turret 29 25 25

Engine: Ford GAA A · 550 hp

Radio: AN/GRC-3

Armament

Standard gun and ammunition

76 mm Gun M1A1L

Calibre 76 mm
Reload time 4.5 s
Aiming time 2.3 s
Dispersion 0.41
Rate of fire 13.33 /min
Ammo capacity 70

Shell types

AP · armour-piercing Damage 86 / 115 / 144

Penetration 90 / 120 / 150 mm

APCR · composite rigid Damage 86 / 115 / 144

Penetration 133 / 177 / 221 mm

HE · high explosive Damage 139 / 185 / 231

Penetration 29 / 38 / 48 mm

Marks of Excellence

Damage thresholds

Combined Damage (Damage + Assist + Tracking)

Combined damage
1 Mark ≥ 65 %
821
2 Marks ≥ 85 %
1,194
3 Marks ≥ 95 %
1,542

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 497
Avg. spotted 2.16
Avg. kills 0.63
Avg. defence 0.72
Exp. win rate 52.48 %

Community stats

Measured, not estimated

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

Win rate

51.41 %

Avg. WN8

1,549

Battles

17,144

As of Aug 31, 2026

Rank 85 of 91 at Tier VI

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 Yzne eu 8,456 60 68.33 %
2 Vavanne__ eu 6,784 130 60.00 %
3 Rasierer32 eu 6,150 71 54.93 %
4 LordStaufen eu 5,878 65 70.77 %
5 mailand eu 5,727 112 61.61 %
6 m00h eu 5,303 208 62.02 %
7 methinator eu 4,815 242 61.16 %
8 Xilense eu 4,560 93 70.97 %
9 Keyhand eu 4,245 119 58.82 %
10 herhor67 eu 4,053 58 62.07 %

Commonly compared

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