Tanks / Japan / 5 tier, Heavy tank

Modules selection

4
O-I Experimental
O-I Experimental
5
O-I Experimental Kai
O-I Experimental Kai
7
2x Kawasaki Type 98 V-12 (550)
2x Kawasaki Type 98 V-12 (550)
8
2x Kawasaki Type 98 V-12 (600)
2x Kawasaki Type 98 V-12 (600)
2
Type 94 Mk. 4 Otsu
Type 94 Mk. 4 Otsu
4
Type 94 Mk. 4 Hei
Type 94 Mk. 4 Hei
6
Type 96 Mk. 4 Bo
Type 96 Mk. 4 Bo
5
O-I Experimental
O-I Experimental
5
12 cm Short Barrel Gun
12 cm Short Barrel Gun
4
7.5 cm Tank Gun Type 3
7.5 cm Tank Gun Type 3
5
7.5 cm Tank Gun Type 5
7.5 cm Tank Gun Type 5
Tank ID 5729
Tank type Heavy tank
Tier 5
Nation Japan
XP needed  XP needed 0
Price in credits  credits price 445 000
Collector`s vehicle Yes
Commander
Gunner
Driver
Radioman
Radioman
Loader
360 / 440 / 360 points

Armor percing

Damage 270 - 360 - 450 points
Penetration 45 - 60 - 75 mm

High explosive

Damage 330 - 440 - 550 points
Penetration 45 - 60 - 75 mm

Hollow charge

Damage 270 - 360 - 450 points
Penetration 105 - 140 - 175 mm
Penetration 60 / 60 / 140 mm
Gun caliber 120 mm
Gun reload time 10.5 sec
Gun fire rate 5.71 shots/min
DPM 2056 points/min
Gun aim time 2.9 sec
Gun dispersion 0.54 m
Gun elevation angles 10 / 20
Gun horizontal aiming angles 180 / 180
Gun traverse speed 33 deg/sec
Max ammo 120
HP 920 points
Hull HP 736 points
Turret HP 184 points
Hull armor 125 / 70 / 70 mm
Turret armor 125 / 75 / 75 mm
Engine fire chance 20%
Mass 99.11 ton
Engine power 1200 hp
Power per ton 12.11 hp/ton
Speed forward 25 km/h
Speed backward 12 km/h
Steering angle 0 deg
Suspension traverse speed 22 deg/sec
Turret traverse speed 20 deg/sec
View range 360 m
Radio signal range 425 m

Compatible modules

Guns

Guns

Name Tier XP Credits Weight (kg) Damage Penetration Reload Rounds per min Aim time (sec) Dispersion Rounds Other compatible tanks
12 cm Short Barrel Gun 5 0 44 000 634 360/440/360 60/60/140 11 5.45 2.85 0.57 32 none
7.5 cm Tank Gun Type 3 4 2 350 30 500 1 400 115/115/175 90/112/38 4.29 14 2.29 0.41 87 japanmediumTankType 3 Chi-NuChi-Nu
7.5 cm Tank Gun Type 5 5 3 800 42 500 1 489 125/125/175 124/155/38 5 12 2.5 0.41 55 japanmediumTankType 3 Chi-NuChi-Nu
japanmediumTankType 4 Chi-ToChi-To
japanmediumTankType 5 Chi-RiChi-Ri
Turrets

Turrets

Name Tier XP Credits Weight (kg) Armor HP Traverse speed View range Other compatible tanks
O-I Experimental 5 0 8 000 8 000 125/75/75 184 20 360 none
Radio

Radio

Engines

Engines

Name Tier XP Credits Weight (kg) Power Fire chance Other compatible tanks
2x Kawasaki Type 98 V-12 (550) 7 0 51 000 1 020 1100 20% japanheavyTankType 4 HeavyType 4 H
japanheavyTankO-HoO-Ho
japanheavyTankO-NiO-Ni
2x Kawasaki Type 98 V-12 (600) 8 27 500 77 500 1 020 1200 20% japanheavyTankType 4 HeavyType 4 H
japanheavyTankO-HoO-Ho
japanheavyTankO-NiO-Ni
Suspensions

Suspensions

Name Tier XP Credits Weight (kg) Other compatible tanks
O-I Experimental 4 0 4 000 20 000 none
O-I Experimental Kai 5 2 850 11 400 20 000 none

How to get O-I Experimental?

This is collector`s vehicle. Credits cost - 445 000.

Tank O-I Experimental has no connection to the tech tree, but has researchable modules. Access to purchase depends on the level of unlocked tanks within the corresponding nation.

WN8

Table of the expected values for O-I Experimental is used to calculate the WN8 rating. The values are based on active player statistics from Lesta servers in the XVM database.

Frags Damage Spotted Defence points Winrate
1.265 691.333 1.145 0.871 54.827

Updated at: 25.07.2025, 07:00

Historical WN8 data chart

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This list contains tier 5 heavy tanks, like O-I Experimental.

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