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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



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 its maximum range in excess of 40km. To ensure secrecy, it is officially designated as a 16 in gun.
It is capable of strong anti-air fire when used alongside the Type 3 Shell.


Main GunsSmall Caliber Main GunMedium Caliber Main GunLarge Caliber Main Gun are the main armament used by surface ships. Their main stats are the "firepower" Firepower and "accuracy" Accuracy. They are notably required to trigger all Artillery Spotting attacks as well as some Night Cut-Ins, notably the "Double Attack" (DA).

Provides a small Anti-Air bonus.


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:


Used to improve: 41cm Twin Gun Mount41cm Twin Gun Mount, 46cm Triple Gun Mount46cm Triple Gun Mount, Prototype 41cm Triple Gun MountPrototype 41cm Triple Gun Mount, Prototype 51cm Twin Gun MountPrototype 51cm Twin Gun Mount, 16inch Triple Gun Mount Mk.716inch Triple Gun Mount Mk.7, 30.5cm Triple Gun Mount Kai30.5cm Triple Gun Mount Kai, 41cm Triple Gun Mount Kai41cm Triple Gun Mount Kai, 38cm Quadruple Gun Mount38cm Quadruple Gun Mount, 46cm Triple Gun Mount Kai46cm Triple Gun Mount Kai, 51cm Twin Gun Mount51cm Twin Gun Mount, Type 1 Armor Piercing Shell KaiType 1 Armor Piercing Shell Kai, 16inch Triple Gun Mount Mk.6 mod.216inch Triple Gun Mount Mk.6 mod.2

Used by quest: F109

Updates History


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 Caliber 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
Improvement Improved effects
Large Caliber Main Gun 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Firepower 1.50 2.12 2.59 3.00 3.35 3.67 3.96 4.24 4.50 4.74
Night Battle Power 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Day 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Night 1.30 1.84 2.25 2.60 2.91 3.18 3.44 3.68 3.90 4.11


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