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O-Ni stats at a glance
The O-Ni has 1320 hit points , 200mm of frontal hull armor , and a top speed of 25 km/h. Its strongest gun configuration deals 370 damage per shot with 190mm of armor penetration , giving it a theoretical maximum DPM of 1746. The vehicle can equip 2 different gun configurations, allowing for varied playstyles.
Hull & survivability
| Hit points (HP) | 1320 |
|---|---|
| Weight | 51.8 t |
| Hull armor (F / S / R) | 200 / 80 / 100 mm |
The front-to-side armor ratio is 2.5:1. This pronounced angling makes the O-Ni significantly stronger when keeping its front facing the enemy.
Mobility
| Top forward speed | 25 km/h |
|---|---|
| Top reverse speed | 10 km/h |
Forward-to-reverse speed ratio is 2.5:1. Reverse speed is limited, so pre-aim and exposure timing matter more on this vehicle.
Camouflage
| Camo (stationary) | 0.1% |
|---|---|
| Camo (moving) | 0.1% |
Available guns (2)
| Gun | Tier | Damage | Pen | Reload | RoF |
|---|---|---|---|---|---|
| 10 cm Experimental Tank Gun | 7 | 370 | 190mm | 12.7s | 4.72 |
| 10 cm Cannon Type 92 (O-Ni) | 6 | 340 | 175mm | 12.0s | 5.00 |
With the top-tier gun, the O-Ni can theoretically output up to 1746 damage per minute at sustained fire (shot damage × rounds per minute). Lower-tier guns generally trade DPM for faster reload or better handling — see the full gun table above.
How O-Ni compares to its peers
There are 34 tier 7 heavy tanks in WoT, including the O-Ni. Its 1320 HP places it in the top 3% for hit points among same-tier heavy tanks (peer average: 1092). Frontal hull armor of 200mm ranks in the top 6% for the class (peer average: 115mm). Top forward speed of 25 km/h is faster than 0% of peer vehicles in this tier and class. The strongest gun deals 370 damage per shot, higher than 82% of comparable vehicles. Best penetration of 190mm puts it in the top 52% for armor-piercing capability in its class.
Direct comparisons
- O-Ni vs T29 — tier 7 heavy tank from USA
- O-Ni vs King Tiger (C) — tier 7 heavy tank from USA
- O-Ni vs M-II-Y — tier 7 heavy tank from USA
- See full tier 7 heavy tank tier list — all 34 vehicles ranked
Related tier 7 heavy tanks
- 45TP Habicha — Poland
- AMX M4 mle. 45 — France
- Black Prince — UK
- Black Prince II — UK, premium
- BZ-58 — China
- Carro d'assalto P.88 — Italy
- FV224 Chopper — UK
- FV201 (A45) — UK, premium
- All Japan tanks · Tier 7 premium tanks
Understand the stats
Want a deeper grasp of what these numbers actually mean in battle? Read the glossary:
- What is DPM — the most important offensive metric
- Alpha damage — single-shot damage and what it means for playstyle
- Penetration — and how it interacts with armor angling
- Hull-down position — the king of defensive plays
- View range — how spotting actually works
About this vehicle
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.
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Frequently asked
What tier is the O-Ni in WoT?
The O-Ni is a tier 7 heavy tank from Japan.
How much damage does the O-Ni do?
The top gun on the O-Ni deals 370 damage per shot with 190mm of standard armor penetration.
Is the O-Ni a premium tank?
No — the O-Ni is a researchable tech-tree vehicle, not a premium tank.
What's the top speed of the O-Ni?
25 km/h forward, 10 km/h reverse.
How much armor does the O-Ni have?
Hull armor: 200mm front, 80mm side, 100mm rear.