Type 4 Model 4

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Type 4 Model 4, Kuchiku-Tei Ka-Ro (1944)
General characteristics
13 peopleCrew
16.6 tDisplacement
Primary armament
37 mm Type 4 naval cannonTurret
1 000 roundsAmmunition
Secondary armament
2 x 20 mm Type 98 autocannonTurret
2 000 roundsAmmunition
20 roundsBelt capacity
300 shots/minFire rate
Additional armament
10 x Type 95 depth chargeSetup 1
850 Ge icon.pngPurchase
Sl icon.png/1 000/760Repair
4 700 Sl icon.pngCrew training
32 000 Sl icon.pngExperts
180 Ge icon.pngAces
× (118 + 100 Talisman.png) % Rp icon.pngReward for battle


The Type 4 Model 4, Kuchiku-Tei Ka-Ro (1944) is a premium rank I Japanese sub-chaser with a battle rating of 1.7 (AB/RB/SB). It was introduced in Update 1.91 "Night Vision".

General info

Survivability and armour

The Ship only has 3 compartments which means it's quite easy to take out, but since the armour is made out of 8 mm steel, you can survive British 7 mm machine gun shots.


Ship RB

The Ships has incredibly good mobility with the top speed of 70 km/h, but the reverse speed is -14 km/h. The turn rate on it tho is a bit slow and sluggish, but it's alright as long as you don't need to turn in tight environments.

Ship AB

The ship goes 107 km/h top speed and the reverse speed is -22 km/h. The turn rate in Arcade Battles is incredibly good.


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.

Ammo Types: HE APHE
Muzzle Velocity: 677 m/s 662 m/s
Explosive Mass: 63 g 10 g
Penetration at 100 m: 15 mm 30 mm
Ammo: Fire Rate: Reload Speed: Turret Rotation Spd:
1000 30 Rounds/min 2.5 Sec Average 50°/s
Main article: Type 4 (37 mm)

Secondary armament

Some ships are fitted with weapons of various calibres. Secondary armaments are defined as weapons chosen with the control Select secondary weapon. Evaluate the secondary armaments 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 any anti-air armament, even heavy calibre weapons, belong in the next section. If there is no secondary armament, remove this section.

Ammo types: Universal HET APT
Penetration at 100 m: 39 mm 39 mm 39 mm
Ammo: Fire Rate: Reload Speed: Turret Rotation Spd:
2000 300 Rounds/min 2 Sec Average 70°/s
Main article: Type 98 (20 mm)

Special armament

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. If there are no special armaments, remove this section.

Ammo: Explosive Mass:
10 100 kg
Main article: Type 95 depth charge

Usage in battles

The Type 4 Model 4 is an extremely fast Japanese Motor Gun Boat, so it is recommended that you go for capture points where you can reach first thanks to your speed. The boat is extremely good at taking care of its own because of the variety of armaments. The dual 20 mm autocannons are excellent for anti-aircraft cover, thanks to their good fire rate. The 37 mm gun is to only be used as a support weapon rather than the main weapon, due to the slow muzzle velocity of the guns.

Pros and cons


  • Good 37 mm shell load-outs
  • Amazing dual 20 mm auxiliary guns (shreds enemies)
  • Amazing top speed
  • Extremely good acceleration
  • Armor made out of steel, so it can take on 7 mm shells
  • Carries 10 Depth Charges for close-quarters engagements
  • Engines above the hull, so it will not get damaged when the compartments are taken out


  • Slow reverse speed
  • Limited fire angles with the 20 mm, due to the bridge and rear engines
  • 37 mm has a slow fire rate and limited firing angles (you can increase the fire rate by upgrading the "Main Caliber Reload Speed" crew skill)
  • The engines are vulnerable to Artillery and other fragments, due to the placement of them

The Type 4 Model 4 Premium Boat has all modifications unlocked as soon as you get it, so you have nothing to worry about in terms of mods. But the crew skills I would recommend getting are "Auxiliary Caliber Reload Speed" for the 20 mm's to reload faster, then you would also need "Ship Control" to turn the rudder faster because the turn rate is a bit sluggish.


Describe the history of the creation and combat usage of the ship in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the ship and adding a block "/History" (example: https://wiki.warthunder.com/(Ship-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the ship's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).


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

Paste links to sources and external resources, such as:

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

Japan sub-chasers
Type 4 Model 2 · Type 4 Model 4 · Ha-Go · Type K-3 / No.1 Class · Type K-7 / No.4 Class · Type K-8 (1944) · Chikugo · Syonan

Japan premium ships
MTBs  Type T-14 (Mod. 01) · Type 4 Model 4 · PG 02
Destroyers  IJN Kiyoshimo · IJN Yuudachi