DOSSIER · UNCLASSIFIED · OPERATIONS
SECTION 10 // ARMOR / VEHICLE PROFILEREF · O-NI
O-Ni
VII

O-Ni

JapanJapan·Heavy TankHeavy Tank·HT assault

A further development of the O-I with improved anti-tank guns. The military command's plan was to improve the earlier models and achieve a higher level of armor protection on the vehicle. Existed only in blueprints. No finished prototypes were built and the vehicle never saw action.

Configuration
Health
1,650
DPM
1,748
View range
380m
Speed
25km/h
Camo
0Terrible
Mark of Excellence requirementsCombined dmg + assist · NA · 2026-08-25
3 marks of excellence
3 marks · 95%
2,689
2 marks of excellence
2 marks · 85%
2,187
1 mark of excellence
1 mark · 65%
1,537
A-01 · ARMOR SCHEMA

Armor thicknessMeasured

Nominal plate thickness straight from the game client. Click any plate to highlight it on the 3D model and focus the camera on it.

Armor
30mm
250mm

Hull

All 28 plates

Turret

All 29 plates
A-02 · SPECIFICATIONS

Specifications

Builds
Grade
Experimental
CrewShared perks
Field mods
Lv 0/5
Weaponry
DPM
1,748
Damage
370
Penetration
190 mm
… at 500m
166 mm
Reload time
12.70 s
Rate of fire
4.72/min
Aim time
3.00 s
Dispersion
0.420 m
… moving
0.220
… tank traverse
0.220
… turret traverse
0.140
… after firing
4.0
Damage vs. modules
150
Caliber
105.0 mm
Shell velocity
910 m/s
Max range
720 m
Ammo capacity
100
Potential damage
37,000
Shell cost
455 cr
Mobility
Top speed
25 km/h
Reverse speed
10 km/h
Power/weight
12.88 hp/t
Tank traverse
22.0 °/s
Turret traverse
18.0 °/s
Effective top speed
… hard
25.0 km/h
… medium
25.0 km/h
… soft
25.0 km/h
Effective traverse
… hard
22.0 °/s
… medium
20.3 °/s
… soft
13.9 °/s
Gun elevation
20 °
Gun depression
10 °
Gun traverse range
360°
Terrain resistance
… hard
1.20
… medium
1.30
… soft
1.90
Everything Else
Hull armor
200 / 80 / 100
Turret armor
240 / 150 / 100
Health
1,650
Engine health
360
… repaired
180
Track health
240
… repaired
180
… repair time
6.86 s
Ammo rack health
220
… repaired
150
Fuel tank health
200
… repaired
70
Total weight
100,900 kg
Stationary camo
0.05 / 0.00%
Moving camo
0.05 / 0.00%
View range
380 m
Fire chance
20%
Tank cost
1,490,000 cr
Gun Constraints

360° traverse

Crew
  • Commander
  • Gunner
  • Driver
  • Radio Operator
  • Radio Operator
  • Loader
A-03 · MODULE RESEARCH

Module research

Guns
VI
Stock
10 cm Cannon Type 92 (O-Ni)
VII
16,200
10 cm Experimental Tank Gun
Turrets
VII
Stock
O-Ni
Radios
VIII
Stock
Type 3 Otsu
Engines
VI
Stock
2x Kawasaki Type 98 Kou (O-Ni)
VII
27,500
2x Kawasaki Type 98 Otsu (O-Ni)
Tracks
VI
Stock
O-Ni
VII
10,800
O-Ni Kai
A-04 · SERVER PERFORMANCE

Server performance

Aggregate stats from NA players over the last 30d

Avg WN8
1766
Very Good
Avg WNX
1633
veryGood
Win rate
53.2%
Average
DPG
1303
Frags
0.88
Spots
0.90
Survival
29.8%
Dmg taken
1544
Hit rate
72.6%
Spot assist
225
Track assist
37
Defense
0.19
Avg XP
798

Aggregated from 874 tracked NA players · 6,333 battles. Coverage grows as more players are tracked.

MoE thresholds (combined dmg + assist)
65%1,537
85%2,187
95%2,689

Reach these combined damage (dealt + assist) values over a rolling window to earn marks of excellence.

Performance over time

Daily NA 30-day aggregates — how this tank trends as patches and meta shift

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Population spread

How NA players actually perform in this tank (30-day window)

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A-05 · TOP OPERATORS

Top players

Highest performers in the O-Ni on NA

  1. #1YuanShou227 battles2,289
  2. #2Girth_Maxing_Legend104 battles2,009
  3. #3Spam_Goose136 battles1,985
  4. #4Osmiy130 battles1,938
  5. #5NewComer117 battles1,877
  6. #6Killstealer__134 battles1,820
  7. #7ktabari142 battles1,771
  8. #8conan_1010211 battles1,753
  9. #9xX__SeaBlossoms__Xx322 battles1,745
  10. #10Mod_Tundra101 battles1,729
A-06 · VIDEO INTEL

Video reviews

Curated reviews, replays, and guides from veteran players

A-07 · SIMILAR HULLS

Similar tanks

Closest matches by stat profile — pick the ones that fit your playstyle.

A-08 · CHANGELOG

Balance changelog

What changed for this tank between game versions

  1. 2.0Sep 1, 2025
    • Weight99.83100.898
    • Hull front armor175200
    • Hull side armor7080
    • Hull rear armor150100
    • Traverse speed1620
    • Mobility on hard terrain——
    • Mobility on medium terrain——
    • Mobility on soft terrain——
    • Traverse speed1822
    • Engine2x Kawasaki Type 98 V-12 (550)2x Kawasaki Type 98 Kou (O-Ni)
    • Power11001200
    • Engine2x Kawasaki Type 98 V-12 (600)2x Kawasaki Type 98 Otsu (O-Ni)
    • Power12001300
    • Vehicle durability15501650
    • Turret front armor200240
    • Turret rear armor150100
    • GunO-Ni / 10 cm Cannon Type 92O-Ni / 10 cm Cannon Type 92 (O-Ni)
    • Reload time1112
    • Aiming time3.23.1
    • Dispersion after firing——
    • AP damage300340
    • AP* damage300340
    • HE damage360420
    • AP* penetration201218
    • AP velocity720820
    • AP* velocity720820
    • Reload time1212.7
    • Aiming time3.33
    • Dispersion after firing——
    • AP damage330370
    • AP* damage330370
    • HE damage430450
    • AP* penetration215235
    • AP velocity916910
    • AP* velocity916910
    • GunO-Ni / 15 cm Howitzer Type 96removed
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