O-Ni

Heavy Tank Tier 7 Japan

O-Ni is a tier 7 heavy tank from Japan in World of Tanks. This is a researchable tech-tree vehicle.

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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
Weight51.8 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 speed25 km/h
Top reverse speed10 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

Related tier 7 heavy tanks

Understand the stats

Want a deeper grasp of what these numbers actually mean in battle? Read the glossary:

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.