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61cm Quadruple (Oxygen) Torpedo Mount

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No.15 61cm四連装(酸素)魚雷
Torpedo.png Torpedo
Effects: Torpedo+10 RangeShort
Scrap value: Fuel 2 Ammo 2 Steel 2 (Buildable)

Equipment Card 61cm Quadruple (Oxygen) Torpedo Mount.png

Equipment Character 61cm Quadruple (Oxygen) Torpedo Mount.png

Equipment Item 61cm Quadruple (Oxygen) Torpedo Mount.png

Equipment Full 61cm Quadruple (Oxygen) Torpedo Mount.png

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



A famous high-powered, long-range mount, the secret weapon "Type 93 Oxygen Torpedo".
The oxygen torpedo was able to bring certain death with its four tubes as well as being the definitive torpedo mount, using the four twins [Oxygen Torpedoes] firing tubes.
As the new main equipment for destroyers and cruisers, it played a major role in night warfare and many other compositions.


Torpedoes Torpedoes are almost exlusively used to trigger Night Cut-Ins, especially the Torpedo Cut-In (TCI). Their main stat is the "torpedo" Torpedo Attack stat.


Not to be confused with other torpedos of this family (see here).

How To Obtain


Stock equipment of: Akigumo Kai NiAkigumo Kai Ni, Akigumo KaiAkigumo Kai, AkizukiAkizuki, Amatsukaze KaiAmatsukaze Kai, Arare Kai NiArare Kai Ni, Arare KaiArare Kai, Arashio Kai NiArashio Kai Ni, Arashio KaiArashio Kai, Asashio KaiAsashio Kai, Ashigara KaiAshigara Kai, Atago KaiAtago Kai, Chikuma KaiChikuma Kai, Choukai KaiChoukai Kai, Hagikaze KaiHagikaze Kai, Haguro KaiHaguro Kai, Hatsukaze KaiHatsukaze Kai, HatsuzukiHatsuzuki, Isuzu KaiIsuzu Kai, Jintsuu Kai NiJintsuu Kai Ni (x2), Jintsuu KaiJintsuu Kai, Kagerou Kai NiKagerou Kai Ni (x2), Kagerou KaiKagerou Kai, Kasumi KaiKasumi Kai, Kawakaze Kai NiKawakaze Kai Ni, Kazagumo Kai NiKazagumo Kai Ni, Kinugasa Kai NiKinugasa Kai Ni, Kiso KaiKiso Kai, Kitakami KaiKitakami Kai (x2), Kuma KaiKuma Kai, Kuroshio KaiKuroshio Kai, Maikaze KaiMaikaze Kai, Makigumo Kai NiMakigumo Kai Ni, Makigumo KaiMakigumo Kai, Makinami KaiMakinami Kai, Maya KaiMaya Kai, Michishio KaiMichishio Kai, Murasame Kai NiMurasame Kai Ni, Murasame KaiMurasame Kai, Myoukou KaiMyoukou Kai, Nachi Kai NiNachi Kai Ni, Nachi KaiNachi Kai, Naganami Kai NiNaganami Kai Ni, Naganami KaiNaganami Kai, Nagara KaiNagara Kai, Nagatsuki KaiNagatsuki Kai, Naka Kai NiNaka Kai Ni, Naka KaiNaka Kai, Natori KaiNatori Kai, Okinami Kai NiOkinami Kai Ni, Ooi KaiOoi Kai (x2), Ooshio Kai NiOoshio Kai Ni, Ooshio KaiOoshio Kai, Oyashio KaiOyashio Kai, Samidare KaiSamidare Kai, Sendai KaiSendai Kai, Shiranui KaiShiranui Kai, Suzukaze KaiSuzukaze Kai, Takanami Kai NiTakanami Kai Ni, Takao KaiTakao Kai, Take KaiTake Kai, Tama Kai NiTama Kai Ni, Tama KaiTama Kai, Tatsuta KaiTatsuta Kai, Tenryuu KaiTenryuu Kai, TeruzukiTeruzuki, Tokitsukaze KaiTokitsukaze Kai, Tone KaiTone Kai, Umikaze Kai NiUmikaze Kai Ni (★+5), Yura KaiYura Kai, Yuudachi Kai NiYuudachi Kai Ni, Yuudachi KaiYuudachi Kai, Yuugumo Kai NiYuugumo Kai Ni, Yuugumo KaiYuugumo Kai, Hayashio KaiHayashio Kai

Upgradeable from: 61cm Triple (Oxygen) Torpedo Mount61cm Triple (Oxygen) Torpedo Mount, 61cm Quadruple Torpedo Mount61cm Quadruple Torpedo Mount

From limited-time quest: 2304 B2 (★+2, choice)


Used to improve: 61cm Quadruple (Oxygen) Torpedo Mount61cm Quadruple (Oxygen) Torpedo Mount, 53cm Twin Torpedo Mount53cm Twin Torpedo Mount, Prototype 61cm Sextuple (Oxygen) Torpedo MountPrototype 61cm Sextuple (Oxygen) Torpedo Mount, 533mm Triple Torpedo Mount533mm Triple Torpedo Mount, 61cm Quadruple (Oxygen) Torpedo Mount Late Model61cm Quadruple (Oxygen) Torpedo Mount Late Model, 533mm Quintuple Torpedo Mount (Initial Model)533mm Quintuple Torpedo Mount (Initial Model), Late Model Bow Torpedo Mount (4 tubes)Late Model Bow Torpedo Mount (4 tubes), Submarine 53cm Bow Torpedo Mount (8 tubes)Submarine 53cm Bow Torpedo Mount (8 tubes)

Used by quest: F50

Updates History

Fit Bonuses

61cm Quadruple (Oxygen) Torpedo Mount Equipment Bonuses
Ship Extra Requirement Firepower Torpedo Attack Anti-Air Anti-Submarine Warfare Line of Sight Armor Accuracy Evasion Note
Take (any)Take
Take Kai
(1st equipped) +5 +1 One-time
Kagerou Kai NiKagerou Kai Ni
Shiranui Kai NiShiranui Kai Ni
Kuroshio Kai NiKuroshio Kai Ni
Oyashio Kai NiOyashio Kai Ni
Hayashio Kai NiHayashio Kai Ni
Dan Yang / Yukikaze Kai NiDan Yang
Yukikaze Kai Ni

Amatsukaze Kai NiAmatsukaze Kai Ni
Akigumo Kai NiAkigumo Kai Ni
(1st equipped) +2 One-time
(2nd equipped) +2 One-time

Additional synergy with: 12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director12.7cm Twin Gun Mount Model B Kai 4 (Wartime Modification) + Anti-Aircraft Fire Director


Torpedo.png 61cm Quadruple (Oxygen) Torpedo Mount

Improvement Conversion
★ Improvement
0~5 6~9
Equipment Card 61cm Quintuple (Oxygen) Torpedo Mount.png
61cm Quintuple (Oxygen) Torpedo Mount
Development material Consumed 2/3 4/8 5/10
Improvement material Consumed 1/2 2/4 5/11
- Equipment Card 61cm Quadruple (Oxygen) Torpedo Mount.png Equipment Card 61cm Quadruple (Oxygen) Torpedo Mount.pngx3
- -
Resources Fuel80 Ammunition120 Steel80 Bauxite20
Ship Helper Conversion
Ship Banner Kitakami.png
Equipment Card 61cm Quintuple (Oxygen) Torpedo Mount.png
61cm Quintuple (Oxygen) Torpedo Mount
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Ooi.png
Mon Tue Wed Thu Fri Sat Sun
Ship Banner Harusame Kai.png
Harusame Kai
Mon Tue Wed Thu Fri Sat Sun
Improvement Improved effects
Torpedoes 1★ 2★ 3★ 4★ 5★ 6★ 7★ 8★ 9★ Max★
Torpedo Attack 1.2 1.69 2.07 2.40 2.68 2.93 3.17 3.39 3.60 3.79
Night Battle Power 1.00 1.41 1.73 2.00 2.23 2.44 2.64 2.82 3.00 3.16
Accuracy Torpedo 2.00 2.82 3.46 4.00 4.47 4.89 5.29 5.65 6.00 6.32


A torpedo developed by the Japanese. It was nicknamed the "Long Lance" and it lived up to its name. While other torpedoes used steam propulsion for their torpedoes, the Japanese came up with the concept of using pure, compressed oxygen to propel their torpedoes. The advantages of oxygen propulsion were no wake, longer range, and typically faster speed than the steam-propelled ones. These were used to devastating effect during the sea battles of Guadalcanal. With the combination of both speed and damage, these torpedoes were some of the few naval weapons that allowed small ships like destroyers to heavily damage or even sink a battleship.

Although they achieved an unthinkable range of 40 km with their heavy warheads - almost triple that of the 14 km maximum range of the Allied 21 inch Mark 15 torpedoes - using pure, compressed oxygen is so dangerous that some IJN ships were sunk because of their oxygen torpedoes exploding. Example includes Chikuma which received mild damage from enemy ships that detonated the oxygen torpedoes in the hold.

See Also