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Self-propelled anti-aircraft gun
M42 Duster
M42 Duster used for road security along Route 9, Vietnam in 1968
Type
Self-propelled anti-aircraft gun
Place of origin
United States
Service history
Wars
Vietnam War Sino-Vietnamese War Lebanese Civil War
Production history
Manufacturer
General Motors Corporation
No. built
3700
Specifications
Mass
24.8 t (loaded)
Length
5.82 m (19 ft 1 in)
Width
3.23 m (10 ft 7 in)
Height
2.85 m (9 ft 4 in)
Crew
4–6
Armor
9–25 mm
Main armament
M2A1 40 mm twin anti-aircraft gun with 336 rounds
Secondary armament
1 × M1919A4 7.62 mm machine gun or 7.62mm M60 machine gun
Engine
6-cylinder air-cooled gasoline 500 hp (375 kW)
Power/weight
22.2 hp/t
Suspension
torsion bar
Operational range
160 km (99 mi)
Maximum speed
72 km/h (45 mph)
The M42 40 mm Self-Propelled Anti-Aircraft Gun, or "Duster," is an American armored light air-defense gun built for the United States Army from 1952 until December 1960, in service until 1988. Production of this vehicle was performed by the tank division of the General Motors Corporation. It used components from the M41 light tank and was constructed of all-welded steel.
A total of 3,700 M42s were built. The vehicle has a crew of six and weighs 22,500 kg (49,500 lb) fully loaded. Maximum speed is 45 mph (72 km/h) with a range of 100 miles (160 km). Armament consists of fully automatic twin 40 mm M2A1 Bofors, with a rate of fire of 2×120 rounds per minute (rpm) enabling nearly 85 seconds of fire time before running out of ammo, and either a .30 caliber Browning M1919A4 or 7.62mm M60 machine gun. The 500 hp, six-cylinder, Continental (or Lycoming Engines), air-cooled, gasoline engine is located in the rear of the vehicle. It was driven by a cross-drive, two-speed Allison transmission.
Although the M42 Duster was initially designed for an anti-aircraft role, it proved to be effective against unarmored ground forces in the Vietnam War.
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against low-flying fixed-wing aircraft and helicopters. It replaced the M42Duster as the standard American armored light air-defense gun. The M163 VADS...
mounted onto the M41 Walker Bulldog light tank chassis to produce the M42Duster. While capable for the era it was designed in, by the time it reached...
basis of the Duster. The first effective self-propelled anti-aircraft weapon (SPAAG) in U.S. Army service was the all-manual M42Duster. While relatively...
of the Walker Bulldog and other combat vehicles, namely the Cadillac M42Duster. The plant, employing 3700, delivered the first production M41 Walker...
Anti-aircraft weapons Atılgan PMADS Bofors 40 mm L/60 Bofors 40 mm L/70 M42Duster M45 Quadmount Oerlikon 20 mm Oerlikon 35 mm Rheinmetall 20 mm Skysweeper...
Anti-aircraft weapons Atılgan PMADS Bofors 40 mm L/60 Bofors 40 mm L/70 M42Duster M45 Quadmount Oerlikon 20 mm Oerlikon 35 mm Rheinmetall 20 mm Skysweeper...
The Gepard was developed during the 1960s as a replacememnt for the M42Duster. Two projects were investigated. These were the ‘Matador’ (designed by...
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