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M16 MGMC



Overview


M16 MGMC

M16 self-propelled anti-aircraft gun on public display in 2017.
Source: Alan Wilson - © GNU Attribution Share Alike license

Origin
United States
Type
Self-propelled anti-aircraft gun
Entered service
1943 for M16 MGMC
1944 for M17 MGMC
Status
Obsolete
Development
1940 - 1942
Developer
United States - White Motor Company
Production
1942 - 1944 (M16)
December 1943 - March 1944 (M17)
Producer
United States - White Motor Company (M16)
United States - International Harvester (M17)
Number produced
2.877 M16 (new)
568 or 628 M16 converted from M13
109 M16 converted from T10
1.000 M17
Designations
MGMC / Multiple Gun Motor Carriage
Meat Chopper (nickname)
Notable users
United States
Soviet Union
Germany
Japan

Description


Introduction

The M16 MGMC is a self-propelled anti-aircraft gun of US origin. It was developed during the first half of World War 2 and used during the second half. The M16 Multiple Gun Motor Carriage proved a successful design and was used in sizable numbers. The M16 proved effective against low flying aircraft. In US service it was eventually supplemented and replaced by the M19 MGMC and M42 Duster.

Layout

The M16 MGMC is based on the M3 halftrack. The design is very similar to the M13 MGMC. The side and rear panels are now hinged in order not to obstruct fire of the lower guns in the M45 quad mount.

Firepower

Four 12.7mm M2HB heavy machine guns are fitted in the M45 one man turret. The turret is powered by an electrical drive. A platform facilitates two loaders, one on each side. The combined cyclic rate of fire is over 2.000 rpm. A total of 5.000 rounds are carried. With its four M2HB the M16 had double the firepower of the M13 MGMC. This proved to be far more effective against propeller aircraft. About half of the M13 MGMC on the production line were converted to M16 configuration.

Protection

The steel armor protects the from small arms fire and shell splinters, except from the top. As an open roof vehicle the crew is exposed from higher angles and often partly exposed when operating the armament.

Mobility

The halftrack chassis allows the M16 MGMC to keep up with tank formations and motorized infantry in halftracks or trucks. The White 147 hp petrol engine allows for a maximum road speed of 72 km/h and a range of 320 km.

Users

The M16 MGMC was in widespread US service during the 2nd half of World War 2. It was also used in subsequent conflicts, such as the Korean war. In 1951 it was declared limited standard. By 1958 it was declared obsolete in US service.

Post World War 2 many American M16 MGMC were exported to allies of the USA. Under the lend-lease program the M17 variant was exported to the USSR during World War 2. With about 1.000 units delivered these made up about half of the Soviet mobile anti-aircraft defense.

Variants


M16 MGMC

M16 self-propelled anti-aircraft gun on public display in 2010.
Source: Alf van Beem - © Public domain

M16
M3 halftrack chassis (T1E2) with M45D quad-mount.
M16A1
M3A1 halftrack chassis with M45F quad-mount.
M16A2
Existing M16 with M45D replaced by M45F quad-mount.
M17
M5 halftrack chassis with M45F quad-mount.

Details


Facts M16 MGMC M17 MGMC
General
Origin
United States
Type
Self-propelled anti-aircraft gun
Crew
5 (commander, driver, gunner, 2 loaders)
Dimensions
Weight
8.6 t combat load
Length
6.50 m for model with winch
Width
1.98 m
Height
2.62 m
Main armament
Type
4x 12.7mm M2HB heavy machine gun
Mount
M45D quad-mount
Ammunition
5.000 rounds, 4x 100 rounds ready to fire
Elevation
-10° to +90°, powered
Traverse
360°, powered
Traverse rate
60°/s
Stabilizer
No
Chassis
Chassis type
Halftrack
Wheelbase
3.44 m
Tread
1.64 m
Track width
0.30 m
Track on ground
1.19 m
Ground pressure
2.1 kg/cm²
Suspension
Leaf spring on front wheels
Vertical volute spring for tracks
Automotive
Engine model
White 160AX
Engine type
6-cylinder in-line petrol
Power output
147 hp at 3.000 rpm
Transmission
Spicer 3461 constant mesh
Gears
4 forward, 1 reverse
Fuel
230 L
Mobility
Speed
72 km/h on road
Range
320 km on road
Turn radius
18 m
Power to weight ratio
17.1 hp/t
Obstacle crossing
Ground clearance
0.28 m
Wall
0.3 m
Gradient
60 %
Fording
0.8 m
Protection
Armor type
Rolled face-hardened steel
Armor thickness
13 mm front
6 mm sides and rear
NBC system
No
Smoke system
No
Fire suppression
No

Media


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Browning M2HB

The M16 MGMC is armed with four 12.7mm M2HB heavy machine guns.