The M3 half-track was an American armored personnel carrier half-track widely used by the Allies during World War II and in the Cold War.Derived from the M2 half-track car, the M3 was extensively produced, with about 15,000 standard M3s and more than 38,000 variant units manufactured.. The M3 was extensively modified with several dozen variant designs produced for different purposes.

The T19 howitzer motor carriage (HMC) was a 105 mm (4.1 in) howitzer mounted on a M3 Half-track chassis. It saw service during World War II with the U.S. Army. Its secondary armament consisted of an air-cooled .50 in (13 mm) M2 machine gun for local defense. It was produced by Diamond T between January 1942 and April 1942.

Mar 30, 2024 · The M3A1 featured the M49 ring mount for the .50cal weapon over the right front of the vehicle, and socket mounts for the .30cal MG were added to each side of the passenger compartment. The later ring mount M49A1 added a a deflector shield and a skate-type backrest for the gunner, and substituted a different carriage with a connecting stabilizer.

The Self propelled guns (or SPG) were the T12/M3 and T12/M3A1 HMC equipped with the M1897 A5 75 mm howitzer and its gun carriage, with a special-purpose shield in later versions.

The M3 and M3A1 variants were powered by an air-cooled radial engine, either a gasoline-fueled 7- cylinder Continental W-670 (8,936 built) or a 9-cylinder Guiberson T-1020 diesel (1,496 built). [9] . Both of these powerplants were originally developed as aircraft engines.

The T19 Howitzer Motor Carriage (HMC) was a 105 mm (4.1 in) howitzer, mounted on a M3 Half-track chassis, with 342 converted between January 1942 and April 1942 by Diamond. They used by the US Army alone in World War II as self propelled artillery, making their combat debut after Operation Torch in north Africa.

Oct 17, 2018 · Half-Track Personnel Carrier M3A1 - Circular pulpit gun mount introduced Half-Track M3A2 - Designed as mortar carrier, APC or air defense system. Half-Track M3 - Communications Variant

In 1938, a M3 scout car was converted into T7 half-track configurations by the addition of the Timken rear bogie assembly from a T9 half-track truck.Over the next several years many revisions where made which led to the development of the M2 and M3 Half-Track with the M2 half-track car and the M3 half-track personnel carrier were approved for pr...

M3A1 - Any vehicle with the improved M49 machine gun ring mount over the right hand front seat. Between 1942 and 1943 all M3 Half-Tracks (standard and A1s) were continually upgraded. These improvements included a number of drive train, engine, and stowage improvements.

Half-track Personnel Carrier M3A1. GENERAL DATA: Other Designation(s)-Type: Armored Personnel Carrier. Radio Equipment? Manufacturer(s) ... converted from 75mm GMC M3 + 281 converted from 57mm GMC T48 + 90 converted from 105mm HMC T19. Date of first acceptance: October 1943 . DIMENSIONS: Combat weight 9300 kg. Height over AA MG: 2.69 m ...