IJN Kuma

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Kuma class (1941)
General characteristics
438 peopleCrew
Standard armament
140 mm/50 3rd Year Type cannon7 x Primary
200 roundsAmmunition
2 x 25 mm Type 96 cannon2 x Secondary
4 000 roundsAmmunition
15 roundsBelt capacity
261 shots/minFire rate
7,7 mm Type 92 machinegun2 x Anti-aircraft
1 500 roundsAmmunition
97 roundsBelt capacity
600 shots/minFire rate
533 mm Type 6 wet-heater torpedo4 x Torpedo
4 roundsAmmunition
Additional armament
10 x Type 95 depth chargeSetup 1
100 000 Rp icon.pngResearch
310 000 Sl icon.pngPurchase
Sl icon.png5 010 / 6 518/5 080 / 6 609/3 330 / 4 332Repair
90 000 Sl icon.pngCrew training
310 000 Sl icon.pngExperts
1 200 Ge icon.pngAces
x 1.78 Rp icon.pngReward for battle


GarageImage IJN Kuma.jpg

The Kuma class (1941) is a rank IV Japanese light cruiser with a battle rating of 5.0 (AB/RB/SB). It was introduced in Update 1.89 "Imperial Navy".

General info

Survivability and armour

Talk about the vehicle's armour. Note the most well-defended and most vulnerable zones, e.g. the ammo magazine. Evaluate the composition of components and assemblies responsible for movement and manoeuvrability. Evaluate the survivability of the primary and secondary armament separately. Don't forget to mention the size of the crew, which plays an important role in fleet mechanics. Save tips for preserving survivability in the "Use in battle" section.

If necessary, use a graphics template to show the most well-protected or most vulnerable points in the armour.


Write about the ship’s mobility. Evaluate its power and manoeuvrability, rudder rerouting speed, stopping speed at full tilt, with its maximum forward speed and reverse speed.


Primary armament

Provide information about the characteristics of the primary armament. Evaluate their efficacy in battle based on their reload speed, ballistics and the capacity of their shells. Add a link to the main article about the weapon: {{main|Weapon name (calibre)}}.

Broadly describe the ammunition available for the primary armament, and provide recommendations on how to use it and which ammunition to choose.

Secondary armament

Main article: Type 96 (25 mm)

Some ships are fitted with weapons of various calibres. The secondary armament is defined as the weapon chosen with the control Select secondary weapon. Evaluate the secondary armament and give advice on how to use them. Describe the ammunition available for the secondary armament. Provide recommendations on how to use them and which ammunition to choose. Remember that anti-air armament, even heavy calibre weapons, belong in the next section.

If there is no secondary armament, remove this section.

Anti-aircraft armament

Main article: Type 92 (7.7 mm)

An important part of the ship’s armament responsible for air raid defence. Anti-aircraft armament is defined by the weapon chosen with the control Select anti-aircraft weapons. Talk about the ship’s anti-air cannons and machine guns, the number of guns and their positions, their effective range, and about their overall effectiveness – including against surface targets.

If there is no anti-aircraft artillery, remove this section.

Torpedo armament

Main article: Type 6 wet-heater

Torpedoes launchers are standard equipment on many ships and boats. Torpedoes are a significant means of defeating an opponent. Evaluate the position of the torpedo launchers, discuss the ammunition available, firing specifics such as dead zones, features of the torpedoes themselves, etc.

If there is no torpedo armament, remove this section.

Special armament

Main article: Type 95 depth charge

Depth charges, mines, rocket launchers and missiles are also effective in skilled hands and can take an off-guard opponent by surprise. Evaluate the ammunition of this type of armament and rate its performance in combat.

Usage in battles

Describe the technique of using this ship, the characteristics of her use in a team and tips on strategy. Abstain from writing an entire guide – don’t try to provide a single point of view, but give the reader food for thought. Talk about the most dangerous opponents for this vehicle and provide recommendations on fighting them. If necessary, note the specifics of playing with this vehicle in various modes (AB, RB, SB).

Pros and cons


  • Able to reload torpedoes in battle
  • High speed
  • Very decent fire power for the main caliber


  • Poor AA armament


Due to the expectation that the Tenryū-class cruiser wouldn’t perform to the satisfaction of the naval command in its role of leader and the appearance of newer and faster destroyer types, with which the Tenryū wasn’t able to keep up with, the shortcomings of the Japanese small cruiser concept became evident. These shortcomings were further emphasized with the advent of the large American Omaha-class light cruiser, capable of easily outgunning the Tenryū-class.

In response to this, Japanese shipbuilders revised Tenryū’s design and developed a new, larger version of the ship with increased speed, range and firepower. This new successor design would become known as the Kuma-class light cruiser. With the design being accepted, outstanding plans for the construction of the four remaining Tenryū-class light cruisers, as well as three other cruisers, were cancelled, while an order to construct five Kuma-class light cruisers was issued instead.

Kuma, the lead ship of her class, was laid down in August 1918, launched in July 1919 and subsequently entered service with the IJN the following year, in August of 1920. Immediately after her commissioning, Kuma was deployed as part of the Japanese intervention in Siberia against Bolshevik forces.

During the early 1930s, Kuma underwent a significant refit and later took part in hostilities during the Second Sino-Japanese War, patrolling off the coast of China and assisting in landing operations.

Following the attack on Pearl Harbor, Kuma participated in the Invasion of the Philippines and would remain stationed there until August 1942. After a brief refit in September, Kuma joined the Dutch East Indies and New Guinea campaigns, being tasked with transporting troops and patrolling the local waters until late 1943.

In January 1944, Kuma came under torpedo attack from the British submarine HMS Tally-Ho, shortly after departing Penang. Kuma suffered two hits, with the resulting damage and subsequent depth charge detonations sealing the ship’s fate. Kuma was later struck from navy records in March 1944.

- From Devblog


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

See also

Links to the 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

Japan light cruisers
IJN Agano · IJN Kuma