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M19 Multiple Gun Motor Carriage

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M19 Multiple Gun Motor Carriage
A historical photograph of the M19 Multiple Gun Motor Carriage
TypeSelf-propelled anti-aircraft weapon
Place of originUnited States
Service history
In service1945–1953 (USA) 1951–1978 (Netherlands)
Used byUnited States
WarsKorean War
Production history
DesignerOrdnance Department
Designed1943–1944
ManufacturerCadillac
Produced1944–1945
No. built285
Specifications
Mass38,499 lb (17,463 kg)
Length17 ft 11 in (5.46 m)
Width9 ft 4.0 in (2.845 m)
Height9 ft 10.0 in (2.997 m)
Crew6
Main
armament
Two Bofors 40 mm guns with 352 rounds
EngineTwin Cadillac Model 42, V-8, gasoline
220 hp (160 kW)
Suspensiontorsion bar
Operational
range
150 mi (241 km)
Maximum speed 35.0 mph (56.3 km/h)

The M19 Multiple Gun Motor Carriage (MGMC) was a World War II United States Army self-propelled anti-aircraft weapon on the M24 light tank chassis. It was equipped with two Bofors 40 mm guns. It was produced by Cadillac and Massey Ferguson of Canada near the end of 1944.

The M19 was developed from the T65 which was based on the M5 light tank chassis. With the M5 going out of production, the project adopted the M24 Chaffee Light tank chassis and was designated the T65E1. It was accepted into service in May 1944 as the M19 MGMC, equipping several U.S. Army anti-aircraft units during World War II. The M19A1 was an improved variant with an auxiliary engine and spare barrels for the 40 mm Bofors guns.

Although all M19s were produced during World War II, they did not reach operational capability until after the cessation of hostilities. The M19’s first combat was in Korea in 1950 against North Korean forces.

Specifications

The M19 MGMC had similar specifications to the M24 Chaffee. It was 17.9 ft (5.46 m) long, 9.33 ft (2.845 m) wide, and 9.83 ft (2.997 m) high. It had a weight of 38,499 lb (17,463 kg), and was powered with a 220 hp (160 kW) Twin Cadillac Model 42, twinned-V-8 engine installation (two Model 42 Cadillac automobile V-8s driving a common gearbox). It could achieve a speed of 35 mph (56.3 km/h), and had a range of 150 mi (241 km). The vehicle was operated with a crew of six.[1]

Development

The M19 evolved from the 40 mm Gun Motor Carriage T65 project, which was based on an Armored Force requirement for a light anti-aircraft vehicle based on the M5 light tank chassis. Although trials were successful and a production of 1,000 T65s had been requested, the project was stopped by the Ordnance Department since the M5A1 light tank chassis was being phased out of production.[1][2]

Since the T65 project was fading away, the Armored Force still needed a light anti-aircraft vehicle, so they made a new project (called T65E1) based on the new T24 chassis[3] (a prototype of the M24 Chaffee). The T65E1 had the same overall layout as the T65 GMC – gun turret at rear with the engines in the middle of the chassis – with a few minor tweaks (including an angular gun shield instead of a straight one).[1][4]

M19 and M19A1

The T65E1 was accepted into service as the M19 Gun Motor Carriage in May 1944 with an order for 904 production models,[1][5] which was sent to Cadillac.[6] Some 300 were built by Massey Ferguson (then Massey-Harris) in Canada. Production did not start until August of that year, and only 285 were produced by the end of the war.[7] The M19A1 had an auxiliary engine and generator to operate the 40 mm guns when the main engine was shut down,[1] and fixtures for carrying two spare gun barrels.[1]

Service history

The full order was not completed as the requirements for anti-aircraft weapons had changed and chassis were diverted to produce more of the Chaffee light tank.[1]

The M19 MGMC arrived too late to serve in Europe in World War II with the U.S. Army.[8] It was never delivered to other countries for Lend-Lease or through Military Assistance Program (though a few examples were transferred to the Netherlands in 1951 and the newly established JGSDF in 1954). It served in the Korean War, mostly as an assault gun.[1] It was used in the defense against the North Korean forces on the Eastern side of the Chosin Reservoir by US Army units of the 31st and 32nd Infantry as well as in the Pusan Perimeter fighting and later fighting in Korea. The 40 mm guns were especially effective against Chinese mass infantry charges in North Korea.[9]

Comparable vehicles

See also

References

Notes

Citations

  1. ^ a b c d e f g h Gander 2013, pp. 229–230
  2. ^ Chamberlain & Ellis 1969, p. 104.
  3. ^ Green 2014, p. 157
  4. ^ Chamberlain & Ellis 1969, p. 101.
  5. ^ Zaloga 2003, p. 41.
  6. ^ Green 2014, p. 171
  7. ^ Kinard 2007, p. 298
  8. ^ Zaloga 2003, p. 37.
  9. ^ Hunnicutt 1992, p. 353.

Bibliography

  • Chamberlain, Peter; Ellis, Chris (1969). British and American Tanks of World War II. New York, NY: Arco. ISBN 0-668-01867-4.
  • Gander, Terry (2013). The Bofors Gun. Barnsley, UK: Pen and Sword. ISBN 978-1-78346-202-5.
  • Green, Mike (2014). American Tanks & AFVs of World War II. Oxford, UK: Osprey. ISBN 978-1-78200-931-3.
  • Hunnicutt, R. P. (1992). A History of the American Light Tank: Stuart. Navato, CA: Presidio Press. ISBN 0-89141-462-2.
  • Kinard, Jeff (2007). Artillery: An Illustrated History of Its Impact. Santa Barbara, CA: ABC-CLIO. ISBN 978-1-85109-556-8.
  • Zaloga, Steven J. (2003). M24 Chaffee Light Tank 1943–1985. New Vanguard. Oxford, UK: Osprey. ISBN 1-84176-540-6.

External links

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