Cookie Consent by Privacy Policies Generator

M42 Duster



Overview

M42 Duster

US army M42 Duster self-propelled anti-aircraft gun deployed in Vietnam in 1968.
Source: US Marine Corps - © Public domain

Origin
United States
Type
Self-propelled anti-aircraft gun
Entered service
1953
Status
Limited service
Development
Late 1940's
1951 (accepted for service)
Developer
United States
Production
1952 - 1960
Producer
United States - GMC
Number produced
3.700
Designations
M42 40 mm Self-Propelled Anti-Aircraft Gun
Duster (nickname)
Notable users
United States
Germany
Japan

Details

Facts M42 Duster
General
Origin
United States
Type
Self-propelled anti-aircraft gun
Crew
6 (commander, driver, 2 gunners, 2 loaders)
Dimensions
Weight
22.6 t combat load
Length
6.36 m overall
5.82 m hull
Width
3.22 m
Height
2.85 m
Main armament
Type
2x 40mm M2A1 autocannon
Mount
M4E1 twin gun mount in turret
Ammunition
480 rounds on vehicle
Elevation
-5° to +87°
Elevation rate
25°/s hydraulic or manual
Traverse
360°
Traverse rate
40°/s hydraulic or manual
Stabilizer
No
Secondary armament
Type
.30 M1919A4 machine gun
Mount
Flexible mount in turret
Ammunition
1.750 rounds
Traverse
Manual traverse and elevation
Chassis
Chassis type
Tracked chassis, 5 roadwheels
Layout
Drive sprocket front, idler rear
Tread
2.60 m
Track width
0.53 m
Track on ground
3.23 m
Ground pressure
0.65 kg/cm²
Suspension
Torsion bar
Automotive
Engine model
Continental AOS-895-3 for M42
Continental AOSI-895-5 for M42A1
Engine type
6-cylinder supercharged petrol
Power output
446 hp net at 2.400 rpm
500 hp gross at 2.600 rpm
Transmission
Allison CD-500-3, 2 forward, 1 reverse
Fuel
530 L
Mobility
Speed
72 km/h
Range
160 km on road for M42
190 km on road for M42A1
Turn radius
Pivot
Power to weight ratio
19.7 hp/t
Obstacle crossing
Ground clearance
0.44 m
Wall
0.7 m
Trench
1.8 m
Gradient
60 %
Fording
1.2 m
Protection
Armor type
Welded rolled steel hull
Open turret with gunshield
Armor thickness
13 mm all around
NBC system
No
Smoke system
No
Equipment
Night vision
Yes, M19 IR periscope for driver
Radio
Yes
APU
Yes

Media

Related articles

M19 MGMC

The M42 Duster is the successor of the M19 MGMC. The M42 features similar armament, but uses the chassis of the M41 Walker Bulldog light tank.

Read more about M19 MGMC

M41 Walker Bulldog

The M42 Duster is based on the chassis of the M41 Walker Bulldog light tank.

Read more about M41 Walker Bulldog

Browning M1919

For self-defense a .30 M1919A4 machine gun is fitted on a pintle mount.

Read more about Browning M1919