M42 (Italy)

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Semovente M42 Contraereo
General characteristics
3 peopleCrew
91 %Visibility
front / side / backArmour
30 / 25 / 25Hull
15 / 15 / 15Turret
15.5 tWeight
353 hp185 hpEngine power
22.8 hp/t11.9 hp/tPower-to-weight ratio
42 km/h forward
8 km/h back
39 km/h forward
7 km/h back
4 x 20 mm Scotti-IF 20/70 mod.41 cannonMain weapon
3024 roundsAmmunition
12 / 15.6 sReload
12 roundsBelt capacity
600 shots/minFire rate
-5° / 90°Vertical guidance
14000 Rp icon.pngResearch
55000 Sl icon.pngPurchase
Sl icon.png1060 / 1434/1240 / 1677/1600 / 2164Repair
16000 Sl icon.pngCrew training
55000 Sl icon.pngExperts
270 Ge icon.pngAces
130 % Rp icon.pngReward for battle
140 % Sl icon.png110 % Sl icon.png60 % Sl icon.png
This page is about the Italian SPAA M42 Contraereo. For other usages, see M42 (Disambiguation).


GarageImage M42 (Italy).jpg

The Semovente M42 Contraereo (shortened as just M42 Contraereo, also nicknamed "Quadruplo") is a rank II Italian self-propelled anti-aircraft gun with a battle rating of 3.3 (AB/RB/SB). It was introduced in Update 1.85 "Supersonic".

General info

Survivability and armour

The M42 Contraereo is based off the M15/42 hull with an opened top turret, surrounding the crew members. The gunner does have an exposed spot in the front, and if shown to the enemy, can be machine-gunned easily without them to have to fire their main cannon. The turret may protect you from small rifle-calibre bullets, but .50 calibre and up, especially on the M4 Sherman will be able to penetrate your turret from anywhere, as it is generally weak against them. The hull armour is decent, still keeping the armour from the M15/42 hull, but don't expect to tank a lot of shots, as most of your enemies will have better calibre weapons, mostly encountering 75 mm and Russian 76.2 mm cannons. You may be able to bounce some smaller calibre shells like the 37 mm cannons but don't rely on your hull armour as your turret will most likely be targeted by the enemy. You have a small crew count of 3 members, and with two in the turret, and having okay armour, you'll usually die in one hit.


Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 42 8 15.5 263 353 16.97 22.77
Realistic 39 7 164 185 10.58 11.94


Main armament

20 mm Scotti-IF 20/70 mod.41 (x4) Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity (Belt) Fire rate Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 3,024 (12) 600 -5°/+90° ±180° N/A 52.8 __.__ __.__ __.__ __.__ 5.2 _.__ _.__ 4.0
Realistic 35.7 __.__ __.__ __.__ __.__


  • Default: API-T · HEFI-T · HEFI-T · HEFI-T
  • Granata mod.35: HEFI-T
  • Perforante mod.35: API-T
  • PzGr 40: HVAP-T · API-T
Penetration statistics
Belts Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default 38 36 27 19 14 10
Granata mod.35 2 2 2 2 2 2
Perforante mod.35 38 36 27 19 14 10
PzGr 40 64 63 27 19 14 10
Belt details
Belt Type of
Mass (kg)
Fuse delay
Fuse sensitivity
Explosive Mass
(TNT equivalent) (g)
0% 50% 100%
Granata mod.35 HEFI-T 830 0.135 0.0 0.1 3 79° 80° 81°
Perforante mod.35 API-T 832 0.14 1.2 9.0 1.7 47° 60° 65°

Ammo racks

rack empty
rack empty
rack empty
rack empty
rack empty
252 __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __

Usage in battles

In Realistic battles, the Quadruplo is best used in the support role when tank hunting, sticking with teammates, assisting them and potentially distracting the enemy. Your best bet of killing any tank, usually a Sherman, Cromwell or T-34, is from the side as the HVAP will pierce through their side armour, killing the tank. Light tanks such as M24s, Stuarts and Crusaders are able to be penetrated from the front, but usually this is only in close range engagements. T-50 and other slightly armoured light tanks will be tougher to kill, but you're still able to flank them. You can kill basically any SPAA you see, as you'll usually encounter trucks or armoured cars. Ambush and surprise tactics are good options to kill tanks effectively, as the enemy will stroll past you, usually showing their side armour. Aggressive play styles are suggested to get the most out of the Quadruplo, similar to playing a Wirbelwind when tank hunting. Try not to expose yourself too much and move from cover to cover, as one hit from a tank shell, usually APHE, will knock you out in one shot, or the machine guns pierce your turret armour and kill both your gunner and commander. When it comes to shooting down planes in the Quadruplo, it is best to get their attention so they try to strafe you, or surprise them as they come closer to you, when you have a good shot as they won't have enough reaction time to evade your shots if they connect. Be mindful that you are open-topped, and you're less likely to survive a strafe run. It should also be noted that shooting continuously will sway the hull back and forth, which will make your aim go up and down. Despite the guns having a high fire rate, and being close together, the Quadruplo has a lower ammo count per belt with 12 in each gun, having 48 loaded in total at any time (essentially a discount Wirbelwind). It is easy to burn through it, so make sure you have a good shot on the aircraft you are trying to shoot down as you'll only have about 3-4 seconds of continuous fire before needing to reload.


Tier Mobility Protection Firepower
I Tracks Parts Horizontal Drive Granata mod.35
II Suspension Brake System FPE Adjustment of Fire Perforante mod.35
III Filters Crew Replenishment Elevation Mechanism Smoke grenade
IV Transmission Engine Artillery Support PzGr 40

Pros and cons


  • PzGr 40 shells are great at penetrating tanks from the sides and knocking out modules
  • High mobility when spaded
  • Great armour for a SPAA
  • Guns have a very high rate of fire
  • Guns are placed very close together


  • PzGr 40 is tier IV modification
  • Performance is inadequate when stock
  • Gap in the gunner's position of the turret armour
  • Turret can be penetrated by .50 cals heavy machine guns
  • High rate of fire makes it more difficult to adjust fire against planes
  • 2 of 3 crew members crammed inside the turret
  • Low magazine count for the guns (12 rounds per belt)
  • Hull rocks back and forth when firing causing some rounds to miss


A prototype AA tank based on the M15/42 medium tank. The single prototype was captured by Germany upon Italy's surrender in September, 1943. Some sources have claimed it served as inspiration for the German Wirbelwind AA tank, which first saw service in mid-1944.


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 vehicles;
  • 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 tank;
  • other literature.

Italy anti-aircraft vehicles
AS 42 · M42 Contraereo · R3 T20 FA-HS · SIDAM 25 · SIDAM 25 (Mistral) · OTOMATIC