The 155 mm gun motor carriage M40 was an American self-propelled artillery vehicle built on a widened and lengthened medium tank M4A3 chassis, but with a Continental engine and with HVSS (Horizontal Volute Spring Suspension), which was introduced at the end of World War II.

Apr 5, 2025 · The M40 GMC and M43 HMC carried relatively few rounds, 16 (M43 HMC) to 20 (M40 GMC), with additional rounds carried by a high-speed tractor. On both vehicles, the gun was held in two trunnions that allowed it to elevate and this …

The Carro Armato M13/40 was an Italian World War II tank designed to replace the M11/39 in the Royal Italian Army at the start of World War II. [6] . It was the primary tank used by the Italians throughout the war. The design was influenced by the British Vickers 6-Ton and was based on the modified chassis of the earlier M11/39. [6] .

Feb 2, 2023 · The M40 Gun Motor Carriage (GMC) was a self-propelled gun that was designed towards the end of the Second World War as a replacement for the older M12 GMC. The M40 had a powerful 155mm gun, but there would also be parallel development of its “big brother” in the form of the M43 Howitzer Motor Carriage (HMC) that was built on the same ...

The M4 Sherman, officially medium tank, M4, was the medium tank most widely used by the United States and Western Allies in World War II. The M4 Sherman proved to be reliable, relatively cheap to produce, and available in great numbers.

Jun 14, 2017 · Detailing the technical specifications, development, and operational history of the M40 Gun Motor Carriage 155mm Self-Propelled Artillery including pictures.

The "155 mm gun motor carriage, M40" simplified as M40 GMC, was a self-propelled artillery setup on a widened and lengthened medium tank M4A3 chassis. There was one more axle, and the drive sprocket and idlers were pushed further forward and aft, and to compensate for the weight inscreas, a Continental engine was installed.

Jul 9, 2013 · Adopted in February 1945 and used in the Korean War, the 155mm Gun Motor Carriage M40 mounted either a 155mm Gun M1A1 or M2 mounted to the rear deck of a modified M4 Sherman medium tank chassis....

Oct 31, 2010 · The 155 mm Gun Motor Carriage, M40 was an improved version of the 155 mm Gun Motor Carriage, M12. It was equipped with a modern gun, and used the Medium Tank, M4 chassis. A total of 311 out of a planned 600 were completed before the end of the war.

The new vehicle used the M4A3E8 Sherman tank chassis and could mount either the M1 155mm Gun or the M1 8-inch Howitzer. The M40 is the self-propelled version of the legendary 155mm "Long Tom". The first prototype was produced in July 1944.