Type 4 Heavy
Tier IX Heavy Tank Japan

Type 4 Heavy

Type 4 H

Tank ID 4193

Vehicle description

Wargaming Tankopedia

The Type 4, also known as the Type 2604, is a variant of the superheavy O-I tank that was developed during World War II. The vehicle was designed for breakthrough attacks on enemy fortifications as well as for coastal defense.

Description from the Wargaming Tankopedia · Language selected automatically

Technical profile

Standard configuration

Hit points

2,150

Weight

159.2 t

Forward speed

25 km/h

Reverse speed

12 km/h

View range

390 m

Signal range

750 m

Armour

Front Sides Rear
Hull 290 140 140
Turret 300 200 140

Engine: 2x Kawasaki Type 98 Kou (4) · 1,400 hp

Radio: Type 3 Ko

Armament

Standard gun and ammunition

12.7 cm/50 3rd Year Type

Calibre 127 mm
Reload time 16.5 s
Aiming time 2.5 s
Dispersion 0.38
Rate of fire 3.64 /min
Ammo capacity 80

Shell types

AP · armour-piercing Damage 413 / 550 / 688

Penetration 182 / 242 / 303 mm

AP · armour-piercing Damage 413 / 550 / 688

Penetration 208 / 277 / 346 mm

HE · high explosive Damage 563 / 750 / 938

Penetration 48 / 64 / 80 mm

Marks of Excellence

Damage thresholds

Combined Damage (Damage + Assist + Tracking)

Combined damage
1 Mark ≥ 65 %
2,466
2 Marks ≥ 85 %
3,587
3 Marks ≥ 95 %
4,633

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 1,495
Avg. spotted 0.69
Avg. kills 0.81
Avg. defence 0.50
Exp. win rate 51.70 %

Community stats

Measured, not estimated

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

Win rate

53.57 %

Avg. WN8

1,877

Battles

29,722

As of Aug 31, 2026

Rank 97 of 129 at Tier IX

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 MentalBlessed eu 5,502 63 71.43 %
2 Dualistiq eu 5,069 62 64.52 %
3 Schockisch eu 4,104 107 75.70 %
4 MrSavecake eu 4,060 52 65.38 %
5 Igrok_v_tankax eu 3,842 50 56.00 %
6 Dakillzor eu 3,837 105 62.86 %
7 Insane_BTW eu 3,827 112 66.07 %
8 vasiliy_barber eu 3,715 63 66.67 %
9 Yzne eu 3,476 362 66.30 %
10 Quickfingers eu 3,382 209 59.33 %

Commonly compared

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