IJN Mogami

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Italian Fleet: Early Access Packs
Pre-order - Geniere Pack
Mogami-class, 1940
General characteristics
910 peopleCrew
15 091 tDisplacement
8Number of section
25 / 25 / 25 mmMain fire tower armor
105 / 140 / 35 mmCitadel armor
25.39999961853 mm (steel)Hull armor
12.699999809265 mm (steel)Superstructure armor
Primary armament
2 x 20 cm/50 3rd year type No.2 cannon5 x Turret
240 roundsAmmunition
-5° / 55°Vertical guidance
Secondary armament
2 x 5 inch/40 Type 89 cannon4 x Turret
400 roundsAmmunition
Anti-aircraft armament
2 x 25 mm/60 Type 96 automatic cannon4 x Turret
3 000 roundsAmmunition
15 roundsBelt capacity
261 shots/minFire rate
2 x 13.2 mm Type 93 machine gun2 x Turret
3 600 roundsAmmunition
30 roundsBelt capacity
476 shots/minFire rate
Additional armament
24 x 610 mm Type 93 Model 1, Mod 2 torpedoSetup 1
220 000 Rp icon.pngResearch
610 000 Sl icon.pngPurchase
Sl icon.png/6 220 / 8 067/4 800 / 6 225Repair
180 000 Sl icon.pngCrew training
610 000 Sl icon.pngExperts
1 500 Ge icon.pngAces
190 % Rp icon.pngReward for battle
100 % Sl icon.png150 % Sl icon.png150 % Sl icon.png


The Mogami-class, 1940 is a rank V Japanese cruiser with a battle rating of 5.7 (AB/RB/SB). It was introduced in Update 1.91 "Night Vision".

General info

Survivability and armour

The IJN Mogami is one of the most well protected cruisers in the game, with 140mm of RHA covering the entire front and rear ammunition storages, 100mm of RHA protecting the engine compartment, 105mm of RHA bulkheads. The ship has 910 crew which is just decent for a 15000t heavy cruiser. The only downside of this ship is its extremely thin (25.4mm) turrets armor so users will have a hard time doing close range engagement.


The ship can reach its max speed of 64 kph, with the complete rudder's turning time of 4.05 seconds (aced crew)


Primary armament

The IJN Mogami is equipped with 5 turrets of dual 20cm/50 3rd year type No.2 cannons, reload time: 13.94s (stock crew) and 12s (aced crew). Ammunition:

  • 20.3 cm Type 0 HE(HE frag): maximum prenetration: 93mm; 8.57 Kg of TNT equivalent explosive filler.
  • 20.3 cm Type 91 AP(APBC: maximum prenetration: 364mm; 3.25 Kg of TNT quivalent explosive filler
  • 20.3 cm Type 0 HE(HE with time fuze): maximum prenetration: 93mm; 8.57 Kg of TNT equivalent explosive filler.

Secondary armament

The ship is fitted with 4 turrets of dual 5 inch/40 Type 89 cannons. Ammunition:

  • 127mm HE: maximum penetration: 54mm; 1.96 Kg of TNT quivalent explosive filler.
  • 127mm Type 1 HE(HE with time fuze): maximum penetration: 54mm; 2.31 Kg of TNT equivalent explosive filler.

Anti-aircraft armament

The ship is also fitted with 4 dual 25mm Type 96 cannons and 2 dual 13.2mm Type 93 machine guns

Torpedo armament

4 triple 533mm Type 93 "Long Lance" torpedo launchers, 2 each side, 24 torpedoes in total

Usage in battles

The IJN Mogami is one of the best cruisers in doing long range engagement thanks to it powerful 10x 203mm main guns.

Pros and cons

Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in the bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".


  • One of the heaviest broadside firepower in the game
  • Good armor
  • Decent mobility


  • Rather slow reload
  • Extremely weak turret armor
  • Very slow turrets traverse time (4.0 degrees per second)


Development of the Mogami-class cruiser dates back to the early 1930s, when the IJN launched its development as part of a naval rearmament program. Wishing to substantially strengthen their navy’s cruisers, the IJN high command ordered for a new design to be drawn up which would practically reach the very limits of the London Naval Treaty in effect at the time.

The new warship was initially set at a displacement of 8,500 tons and was to be armed with fifteen 155mm guns, spread across five triple turrets. However, even at the design stage it was already clear that the real displacement would significantly exceed this limit and would be around 11,000 tons so it was decided to conceal the true data. In December of 1934, Japan denounced the Washington Agreements, and refused to sign the Second London Treaty in January of 1936. As a result, in the period between 1939 and 1940 all cruisers of the Mogami type underwent reconstruction, in which the main weapons were replaced by ten 203-mm guns in five turrets, the ships were then formally reclassified as heavy cruisers.

Nonetheless, Mogami-class cruisers raised concerns with other naval powers, some simply dismissed their design specifications as being false, while others, such as the U.S., began building counterparts of their own. Four Mogami-class heavy cruisers took part in several major operations during WW2, including the Battle of Midway, Leyte Gulf and many others. All ships of the class were lost in combat between June 1942 - November 1944.

- From Devblog


Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the ship;
  • links to approximate analogues of other nations and research trees.

External links

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  • topic on the official game forum;
  • encyclopedia page on the ship;
  • other literature.

Japan heavy cruisers
Mogami-class  IJN Mogami
Furutaka-class  IJN Kako · IJN Furutaka
Tone-class  IJN Tone