ZSU-23-4

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ZSU-23-4 "Shilka"
ussr_zsu_23_4.png
AB
RB
SB
General characteristics
Brief
Detailed
8.0/8.0/8.0BR
SPAAClass
4 peopleCrew
Mobility
21.0 tWeight
5 forward
1 back
Gear box
Armament
4 х 23 mm AZP-23 cannonWeapon 1
2 000 roundsAmmunition
500 roundsBelt capacity
850 shots/minFire rate
-4.5° / 85°Vertical guidance
two-planeStabilizer
Economy
180 000 Rp icon.pngResearch
490 000 Sl icon.pngPurchase
Sl icon.png910 / 1 180/930 / 1 206/8 250 / 10 700Repair
140 000 Sl icon.pngCrew training
490 000 Sl icon.pngExperts
2 000 Ge icon.pngAces
x 2.14 Rp icon.pngReward for battle

Description

GarageImage ZSU-23-4.jpg


The ZSU-23-4 "Shilka" is a rank VI Soviet anti-aircraft vehicle with a battle rating of 8.0 (AB/RB/SB). It was introduced in Update 1.63 "Desert Hunters". The "Shilka" presents a much higher rate of fire than its predecessor ZSU-57-2 and allows the user to saturate the airspace to increase the chance of hitting a low-flying aircraft.

The Shilka preforms more or less like a roided up Wirbelwind, minus the tank hunting ability. As such, the fewer the planes that know your location the better. If one is headed your direction, let them get as close as possible (within reasonable safety, of course) before opening up, to guarantee a hit. The few props and lower rank jets that occur at top rank are easy pickings at most distances due to the wide spread of the 23mm river, but 9.0 jets are trickier to hit, even at medium ranges, so the more of an element of surprise you have, the better.

General info

Survivability and armour

Armour type:

  • Rolled homogeneous armour
Armour Front Sides Rear Roof
Hull 9.4 mm (57°) 9.4 mm 9.4 mm (46°) Upper
9.4 mm (22°) Lower
9.4 mm
Turret 8.9 mm (23°) 8.9 mm (8-10°) 8.9 mm (1°) 8.9 mm
Armour Sides Roof
Cupola 8.9 mm 8.9 mm

Notes:

  • Suspension wheels are 20 mm thick while tracks are 15 mm thick.
  • Belly armour is 9.4 mm thick.

Mobility

Mobility characteristic
Weight (tons) Add-on Armor
weight (tons)
Max speed (km/h)
20.7 N/A 54 (AB)
50 (RB/SB)
Engine power (horsepower)
Mode Stock Upgraded
Arcade 398 ___
Realistic/Simulator 248 280
Power-to-weight ratio (hp/ton)
Mode Stock Upgraded
Arcade 19.23 __.__
Realistic/Simulator 11.98 13.53

Armaments

Main article: AZP-23 (23 mm)
23 mm AZP-23
Capacity (Belt capacity each) Fire rate
(shots/minute)
Vertical
guidance
Horizontal
guidance
Stabilizer
2,000 (500) 850 -4°/+85° ±180° Two-plane
Turret rotation speed (°/s)
Mode Stock Upgraded Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
Arcade 41.6 __.__ __.__ __.__ __.__
Realistic 41.6 __.__ __.__ __.__ __.__
Reloading rate (seconds)
Stock Prior + Full crew Prior + Expert qualif. Prior + Ace qualif.
5.2 __.__ __.__ __.__

Belt statistics

Ammunition Penetration in mm @ 90°
10m 100m 500m 1000m 1500m 2000m
Default 46 45 33 23 15 11
HEI-T 46 45 33 23 15 11
API-T 46 45 33 23 15 11

Belt types

Belts Shell composition Combat usage
Default API-T, HEFI-T
HEI-T HEFI-T, HEFI-T, HEFI-T, API-T
API-T API-T, API-T, API-T, HEFI-T

Ammo racks

Full
ammo
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
5th
rack empty
6th
rack empty
Recommendations Visual
discrepancy
2,000 XX (X+)  (+)  (+)  (+)  (+)  (+) Turret empty:  () no

Radars

Main article: 1RL33

The ZSU-23-4 is equipped with a 1RL33 search and tracking radar, mounted on top of the turret, at the rear. The radar system lacks track while scan, but can track targets in a full 360° area around the turret (instead of just to the front of the turret). The radar has very slow scan speed.

Msg-info.png By default the radar will scan a 60° arc, this can be changed to a 360° scan if desired, using the "change radar search mode" key.
1RL33 - Target Detection Radar
Maximum
Detection
Range
Minimum
Detection
Range
Max Azimuth
Scan Angle
Max Elevation
Scan Angle
Minimum
relative speed
20,000 m 100 m ±30° (optionally 360°) -9°/+87° 15 m/s (54 km/h)
1RL33 - Target Tracking Radar
Maximum
Tracking
Range
Minimum
Tracking
Range
Azimuth Tracking
Angle
Elevation Tracking
Angle
Minimum
relative speed
16,000 m 100 m 360° -9°/+87° 15 m/s (54 km/h)

Usage in battles

The ZSU-23-4 should be played entirely as an AA vehicle. Do not go tank hunting in this vehicle, as you do not have the armour or the penetration. Focus on keeping the skies clear, something that this vehicle does very well. A high rate of fire and very fast turret traverse means that you should be able to target and destroy even the fastest jets.

You have a high ammo count with this vehicle, meaning that you can afford to find a good spot away from the main fight in order to pick off enemy planes. Unless you need to reload your ammo, avoid spawn points. They are usually the hub of most of the fighting and going to them will put you in the firing line.

While it is fully enclosed, the ZSU-23-4 has armour which makes the M18 Hellcat look like a heavy tank. Even 7.62mm machine guns stand a fair chance of penetrating this vehicle. This makes you a primary target for aircraft, which at this vehicles BR are usually armed with cannons or high penetration machine guns, which will easily take you out.

Top rank helicopters and the FJ-4B VMF 232 are the greatest threat to your existence. They are both capable of sitting comfortably outside your firing range while firing lethal ATGMs at you. Hide from them until they are either dealt with by an allied plane or they come close enough to be dealt with by your 23mms.

Pros and cons

Pros:

  • High rate of fire
  • Relatively high top speed
  • High ammo count
  • Fast turret traverse
  • Can penetrate lightly armored vehicles (other SPAAs)
  • Radar-assisted fire control; a lead indicator is shown in Realistic.

Cons:

  • Thin armour
  • Low hp/t ratio
  • Low penetration for 23mm cannons means you will have trouble penetrating certain MBTs from the side.
  • Radar has very low scan speed

History

Development

The main Soviet self-propelled anti-aircraft vehicle ZSU-57-2, in service since 1955, did not perform satisfactory due to the lack of radar tracking, low rate of fire, and small ammo count for its high-power auto cannons. Its firepower was supplemented by the ZPU and ZU series of anti-aircraft mounts using the 14.5 mm and 23 mm armaments respectively. The ZPU and ZU were towed or truck-mounted and had a high rate of fire, but suffered from low mobility when not on a truck and lack of protection if mounted on a truck for a mobile role. It became desirable to combine the traits of these two type of anti-aircraft weaponry together for a tracked anti-aircraft vehicle to be protected, have good mobility, contain a good amount of ammo, and deliver a high rate of fire with heavy-hitting caliber.

Development started in 1957 for this vehicle, ready to be evaluated in 1962. The vehicle went under the name ZSU-23-4 "Shilka", named after the Shilka River in South-Eastern Russia. The first set of digits signifies the caliber, 23 mm, and the second signifies the number of cannons, 4. Equipped with four water-cooled 23 mm auto cannons, the ZSU-23-4 is aimed via manual optics or with a radar that can track aircraft up to 6 km away and guide the armaments to a estimated coordinate. The vehicle can carry up to 2,000 rounds of 23 mm ammunition and each cannon has a fire rate of between 850-1000 rpm. The ZSU-23-4 was built on a GM-575 chassis, which itself is based off the PT-76. It was accepted for service by the Soviet Army in 1965 and proceeded to replace all the ZSU-57-2 still in stock by the 1970s. From the time period 1964 to 1982, up to 6,500 ZSU-23-4 were produced at the Mytishchi Engineering Works.

Combat usage

The Soviet Army used the ZSU-23-4 as their main anti-aircraft defense weapon. It was intended that the ZSU-23-4 only guard military bases and mechanized formations while the ZSU-37-2, a side development during the Shilka's development period, guard the low-altitude area unable to be hit by surface-to-air missiles. However, the ZSU-23-4 Shilka eventually replaced it to keep a logistics simple. From Soviet doctrine, the Shilkas were organized in anti-aircraft artillery batteries with two platoons of four vehicles each. Initially, one platoon was filled with ZSU-57-2's and the other with Shilkas, but the ZSU-57's were replaced in service by the Shilkas in the 1970s. In the 1970s, the batteries were also reorganized to one platoon of Shilkas and one platoon of anti-air missile systems, both meant to supplement the dead zone from the divisional surface-to-air missile systems. The Shilkas, being very lightly armoured, mainly stay behind the main forces and the front line, ranging between 400 to 1,000 meters away from the fighting. Though each Shilka unit fought with their own radar system initially, the implementation of the PPRU-1 allowed for coordinated targeting between the Shilka and missile units against enemy aircraft. Despite their intended role as an anti-aircraft, the high rate of fire, heavy caliber, and ability to elevate the guns at a high angle made it a very popular ground support weapon. This utility made it a very useful weapon in the Soviet occupation of Afghanistan, being able to fight the Mujaheddin ambushing from mountainous terrain. The Soviets also used it during the War against Chechnya, fighting the Chechens in the mountains. The ZSU-23-4 still sees use in the Russian Naval Infantry.

The ZSU-23-4 saw more usage in the hands of the Soviet Union's allies. 2,500 of the Shilkas produced were given out to up to 23 nations. It's most infamous records would come from the hands of the Arabs in the Yom Kippur War in 1973. Using the SA-6 surface-to-air missiles, they forced the Israeli planes to fly low to avoid missile detection and then blasted them away with the Shilkas. The Shilkas also saw use in the later part of the Vietnam War, where they are used nearly the same way by attacking aircraft forced low by missiles. Past that, the ZSU-23-4 saw usage in multiple conflicts in the Third World countries and are still in use today in the Syrian Civil War.

Media

Skins and camouflages for the ZSU-23-4 from live.warthunder.com.

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 vehicles;
  • links to approximate analogues of other nations and research trees.

External links


USSR anti-aircraft vehicles
Based on trucks  GAZ-AAA (4M) · GAZ-AAA (DShK) · KB ZIS BTR-152A · GAZ-MM (72-K) · ZiS-12 (94-KM) · ZiS-43
Other  ZUT-37 · ZSU-37 · Type 65 · ZSU-57-2 · ZSU-23-4 "Shilka" · ZPRK 2S6 "Tunguska"