O-Ni
Tier 7 · japan · heavy
About
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.
Multi-turretMulti-weapon
Survivability
Hit points
1,550
View range
350 m
Signal range
350 m
Engine fire chance
20%
Armor (mm)
Front
Sides
Rear
Hull
175
70
150
Turret
175
150
150
Gun · 47 mm Gun Type 1
Caliber
47 mm
Rate of fire
15 rpm
Reload
4 s
Aim time
2.3 s
Dispersion @ 100 m
0.42 m
Gun arc
15° / 20°
Traverse
44°/s
Ammo
121
Mobility
Top speed
25 km/h
Reverse
10 km/h
Engine
1100 hp
Power/weight
10.9 hp/t
Hull traverse
16°/s
Turret traverse
30°/s
Shells
ARMOR_PIERCING
70 dmg (53–88)
81 mm pen (61–101)
ARMOR_PIERCING
70 dmg (53–88)
122 mm pen (92–153)
HIGH_EXPLOSIVE
90 dmg (68–113)
25 mm pen (19–31)
Marks of Excellencesample size 127 · updated 5/23/2026
1 mark
967
avg damage
2 marks
1,745
avg damage
3 marks
0
avg damage