|M14 Multiple Gun Motor Carriage|
The M5 Half-track the base of the M14.
|Type||Self-propelled anti-aircraft weapon|
|Place of origin||United States|
|In service||1942–1943 |
(1943–1945 as substitute standard)
|Used by||United States,|
United Kingdom (rebuilt as carriers)
|Wars||World War II|
|Weight||9.8 short tons (8.9 t)|
|Length||6.18 m (20.3 ft)|
wheelbase 135.5 in (3.44 m)
|Width||2.22 m (7.3 ft)|
|Height||2.26 m (7.4 ft)|
|Armor||hull: 6 mm (0.24 in)|
Windscreen visor: 12.7 mm (0.50 in)
|2x M2 Browning machine gun|
|Engine||IHC RED-450-B, 450 cu in (7,400 cc)|
|Suspension||half track, vertical volute springs; front tread 64.5 to 66.5 in (1,640 to 1,690 mm)|
|Fuel capacity||60 US gal (230 l)|
|125 mi (201 km)|
|Speed||42 mph (68 km/h)|
The M14 Multiple Gun Motor Carriage was an self-propelled anti-aircraft artillery produced for the United States in World War II by International Harvester for Lend-Lease to Allies. The M14 was a variant of the M13 Multiple Gun Motor Carriage based on the M5 Half-track (the M13 was based on the M3 Half-track). Both the M13 and M14 were supplanted by the M16 Half-track and M17 Multiple Gun Motor Carriage half-tracks which had four heavy machine guns in a M45 Quadmount to the M14's two in a M33 Maxson mount.
Although intended for supply to the British under the Lend-Lease, it was not accepted as such and most were rebuilt as carriers.
In order to produce a light self-propelled anti-aircraft weapon, two 0.5 in (13 mm) M2 heavy machine guns in a M33 turret mount produced by Maxson were mounted on a M3 Half-track to produce the half-track M13 MGMC. The same turret mount when fitted to the M5 Half-track was designated the M14 half-track. These two were accepted for production in mid-1942. Several hundred were produced before the superior four machine gun M45 Quadmount Maxson mounting was accepted in late 1942 for production and this on a M3 gave the M16 MGMC halftrack and on the M5 gave the M17 MGMC.
The entirety of M14 production was scheduled for delivery to the British but were not acceptable for their needs and "most" were rebuilt as carriers instead.
Like other half tracks the soldiers complained about overhead cover from bombs and artillery. But it served well as an low range support for infantry and as a low range anti-aircraft gun. They were leased to the United Kingdom. Most of them where rebuilt in Britain as carriers.
It was produced by International Harvester to be a version of the M13 Half-track. It was only leased in 1941 and 1942. International Harvester produced 1600 of them.
- Zaloga p 42
- Berndt 1993, p. 152.
- Hunnicutt (2010), p. 134.
- Zaloga (1994), p.38
- Berndt, Thomas (1993). Standard Catalog of U.S. Military Vehicles. Iola, WI: Krause Publications. ISBN 0-87341-223-0.
- Zaloga, Steven J. (2004). M3 Infantry Half-Track 1940–1973. Oxford, UK: Osprey Publishing
- Rickard, J (16 May 2014), "M14 Multiple Gun Motor Carriage" History of War
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