M19 Multiple Gun Motor Carriage

Self-propelled anti-aircraft weapon

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.

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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.

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.

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 (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). ...read more

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