Modules selection
4

O-I Experimental
5

O-I Experimental Kai
7

2x Kawasaki Type 98 V-12 (550)
8

2x Kawasaki Type 98 V-12 (600)
2

Type 94 Mk. 4 Otsu
4

Type 94 Mk. 4 Hei
6

Type 96 Mk. 4 Bo
5

O-I Experimental
5

12 cm Short Barrel Gun
4

7.5 cm Tank Gun Type 3
5

7.5 cm Tank Gun Type 5
Tank ID
5729
Tank type
Heavy tank
Tier
5
Nation
Japan
XP needed
0
Price in credits
445 000
Collector`s vehicle
Yes
Commander
Gunner
Driver
Radioman
Radioman
Loader
Damage
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
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 |
![]() ![]() ![]() |
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 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |

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
Name | Tier | XP | Credits | Weight (kg) | Signal range (m) | Other compatible tanks |
---|---|---|---|---|---|---|
Type 94 Mk. 4 Otsu | 2 | 0 | 0 | 40 | 300 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Show 2 more tanks |
Type 94 Mk. 4 Hei | 4 | 430 | 2 350 | 90 | 350 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Show 9 more tanks |
Type 96 Mk. 4 Bo | 6 | 1 400 | 14 000 | 50 | 425 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Show 17 more tanks |

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% |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Show 1 more tank |
2x Kawasaki Type 98 V-12 (600) | 8 | 27 500 | 77 500 | 1 020 | 1200 | 20% |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Show 1 more tank |

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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