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46cm Triple Gun Mount

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No.9 46cm三連装砲
RedGunHeavy.png Large Caliber Main Gun (46cm)
Effects: Firepower+26 AA+5 RangeVery Long
Scrap value: Ammo 24 Steel 25 (Buildable)

Equipment Card 46cm Triple Gun Mount.png

Equipment Character 46cm Triple Gun Mount.png

Equipment Item 46cm Triple Gun Mount.png

Equipment Full 46cm Triple Gun Mount.png

Refittable Class
Coastal Defense Ship Destroyer
Light Cruiser Torpedo Cruiser
Heavy Cruiser Training Cruiser
Aviation Cruiser Fast Battleship
Battleship Aviation Battleship
Light Carrier Standard Aircraft Carrier
Armored Carrier Seaplane Tender
Submarine Aircraft Carrying Submarine
Submarine Tender Fleet Oiler
Repair Ship Amphibious Assault Ship


敵戦艦に対してアウトレンジが可能な最大射程40kmを超える最新鋭のこの巨砲は、 機密保持のため公式には16インチ砲とされていました。

Developed in absolute secrecy at the Kure Naval Arsenal's Artillery Division, this is the largest and most powerful battleship gun in the world.
It is a state-of-the-art gun capable of outranging enemy battleships with it's maximum range in excess of 40km. To ensure secrecy, it is officially designated as a 16 inch gun.
It is capable of strong anti-air fire when used alongside the Type 3 Shell.


Has the longest shelling range.

Despite not being a high-angle gun, this gun provides a slightly higher bonus to fleet anti-air defense, having a fleet anti-air equipment modifier of 0.25 rather than 0.2.

This cannon has overweight penalties when used on most ships, decreasing accuracy by a certain amount. It is advised not to use two or more in a combined fleet because of the augmentation of accuracy penalties in combined fleets.

How To Obtain


Stock equipment of Musashi KaiMusashi Kai, MusashiMusashi, Yamato KaiYamato Kai, YamatoYamato

Upgradeable from Prototype 46cm Twin Gun MountPrototype 46cm Twin Gun Mount

Event reward for:

Updates History

Akashi's Improvement Arsenal

Type Name Resource Day 2nd Ship Note
Fuel Ammunition Steel Bauxite Item Icon Development Material.png Item Icon Improvement Material.png # of equipment needed for that upgrade. An asterisk following the number indicates a different equipment is required. Sun Mon Tue Wed Thu Fri Sat
Large Main Gun 46cm Triple Gun Mount 0 50 480 800 50 6/8 4/6 1xRedGunHeavy.png  
Yamato Kai
Musashi Kai/Kai Ni
Upgrades to 46cm Triple Gun Mount Kai.
6 8/10 5/8 2xRedGunHeavy.png
10 18/36 12/16 4xRedGunHeavy.png
2xItem Icon New Model Gun Mount Improvement Material.png


Officially the largest calibered guns ever equipped on warships. Historically, it was only equipped on purposely built Yamato class, but in Kancolle world even Kongou can carry this (the entire turret weighs some 2800 tons). After the war, the technologies used to rotate this turret was applied to the mechanicals of the revolving restaurant on top of Hotel New Otani. The lathes used to machine the barrel of 46cm guns are still active today at Kure. 

See Also

40 cm/45 Type 94 naval gun