M42 (China)

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This page is about the SPAA M42 (China). For other usages, see M42 (Disambiguation). For other vehicles of the family, see M42 (Family).


GarageImage M42 (China).jpg

The ␗M42 Duster is a rank IV Chinese SPAA with a battle rating of 6.0 (AB) and 5.3 (RB/SB). It was introduced in Update 1.95 "Northern Wind".

The U.S. military awarded General Motors Corporation's tank division with a contract to design and build the M42 Duster, as an armoured light air-defence gun platform. Though initially developed to provide defence from air attacks, by the time the Duster was ready to be fielded in mass, the military switched gears determining that the Duster was not a useful tool against the jet aircraft which were beginning to fill the sky.

While Self Propelled Anti-Aircraft (SPAA) vehicles were initially created to counter aircraft, other uses developed in which they saw action against armoured vehicles. Compared to other contemporary SPAA vehicles (ZSU-37WirbelwindMultiple Gun Motor Carriage M13, etc...) though, the M42 is typically regarded as the least effective when used against vehicles with armour protection. The penetration value of the armour-piercing rounds is considered too low to penetrate armour plating, even when not angled. The Duster, however, can be devastating against vehicles with very little to no armour, especially at 120 rounds per minute for each gun.

Being considered a light tank, the M42 does not have the armour capability to stand up directly to many of the other vehicles which it will face on the battlefield, especially against tanks which may fire high-explosive shells. The Duster will fare better against machine gun fire and potentially against some of the lighter autocannon fire which it may encounter, though not for long. Due to the M42's lightweight nature, it is best to stage where there is cover to help shield the Duster. It is also essential to only expose the vehicle when necessary to get a shot. If discovered, it is best to have a contingency location to which to fall back and regroup.

General info

Survivability and armour

Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.

Armour may as well be non-existent on the M42. Built off the chassis of the M41 Walker Bulldog, the SPAA can be penetrated by anything in the game, except for those few tanks armed with only machine guns, of course. In this tank, speed is your armour. A stationary Duster is a scrapped Duster unless you're firing on an aircraft, in which you should stop behind some cover.


Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 79 12 22.5 710 954 31.56 42.4
Realistic 73 11 442 500 19.64 22.22
This tank can go about 72 km/h forwards and -20 km/h backwards. Either way, it's fast. Being built with neutral steering and lighter than the M41A1. It should take no difficulty to get out of a situation in a pinch.


Main armament

Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibility of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: {{main|Name of the weapon}}. Describe in general terms the ammunition available for the main gun. Advise about how to use them and how to fill the ammunition storage.

The M42 Duster is armed with two Bofors (40 mm) anti-aircraft guns. They have a decent rate of fire and you will seldom have to stop and wait for a reload - more likely, you'll have to wait for the gun barrel to cool down. Against aircraft, these guns are deadly. A shot or two will be more than enough to shoot down an enemy. They are also quite deadly against lightly armoured vehicles, such as enemy SPAAs or light tanks such as the Spähpanzer Ru 251 or M41 Walker Bulldog, and you can pen the side of Panthers, too. However, they require direct hits. Against the Soviet heavy or British medium tanks you are likely to encounter, however these guns will do nothing for you. You will rarely get an opportunity to use the Bofors on another tank, as they simply lack the penetration to do so - 68mm doesn't get you very far at Rank IV. It's part of what makes the Rank IV Japanese experience so painful. If you can get the guns to hit, you should have no trouble knocking aircraft out of the sky.

Additional armament

Some tanks are armed with several guns in one or more turrets. Evaluate the additional weaponry and give advice on its use. Describe the ammunition available for additional weaponry. Give advice on about how to use them and how to fill the ammunition storage. If there is no additional weaponry remove this subsection.

Machine guns

Offensive and anti-aircraft machine guns not only allow you to fight some aircraft but also are effective against lightly armoured vehicles. Evaluate machine guns and give recommendations on its use.

Usage in battles

Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

This tank has no armour, but a lot of speed and guns that do nothing against anything with actual armour. Refrain from attacking enemies that can take a hit from you, unless you like getting "Hit +10SL +5RP". You can roam around the battlefield with your insane speed and act as a scout. Ironically, shooting enemies you know will bounce, you have a reason for it because it makes them show up on the mini-map for all players to see, although it will also expose you. However, you could stay with your teammates and shoot down planes that will be harassing them - they will see you, with your open-top and exposed crew, and think of you as an easy target. They know the danger of the Bofors guns but for some pilots that is a gamble, they are willing to take. A good way to lure planes toward you is the act like you don't see them - shoot off at some distant (ground) target, at which the plane will notice you are "distracted" and dive to attack you, where you can show them the error of their ways in the form of the 40mm Bofors cannon.


Tier Mobility Protection Firepower
I Tracks Parts Mk.II Horizontal Drive
II Suspension Brake System FPE M81A1 Adjustment of Fire
III Filters Crew Replenishment Elevation Mechanism
IV Transmission Engine Artillery Support NVD

Pros and cons


  • 40 mm cannons are devastating to planes
  • AP rounds able to penetrate roughly 60 mm can be used against some tanks' side armour it could face, like the M4, Chi-Ri, Panther A/D
  • Unsynchronized firing helps improve overall fire rate to double that list
  • Outside from default belts, the other belt options are made of a single type of shell that can be relied on
  • Relatively fast vehicle with good mobility due to the M41A1 light tank basis
  • Fast turret traverse rate helps track aircraft


  • Despite 40 mm cannons and the unsynchronized firing, the overall fire rate is still lower than its contemporaries
  • 40 mm AP rounds are not the best AP rounds to use overall due to relatively low penetration. Cannot penetrate all-round protected heavy tanks like the IS-2 or Tiger H/E
  • Open turret allows aerial attacks and machine guns to decimate the exposed crew
  • Very thin armour hull, can be penetrated by .50 cal found on the M4.
  • Is hull-breakable
  • Careless driving can damage the vehicle
  • Ammo can be used up rather quickly due to the dual-gun firing, prolonged combat can find the ammo stowage run empty
  • Easily ammo-racked due to racks scattered all around the turret, aerial autocannons could set it off if hit


Describe the history of the creation and combat usage of the vehicle 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 vehicle and adding a block "/History" (example: https://wiki.warthunder.com/(Vehicle-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 vehicle'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 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.

China anti-aircraft vehicles
CCKW 353 (M45) · ␗M42 · Phòng không T-34 · WZ305 · ZSD63 · PGZ09 · PGZ04A