The M55 is an American fully enclosed and armored self-propelled howitzer based on the M53 155 mm self-propelled gun and with components taken from the M47 Patton. It has a 203.2 mm (eight-inch) howitzer which can traverse 30° left or right, carrying 10 rounds of ammunition when fully combat loaded.

M55 203毫米自行榴彈炮 （英語： 8 inch Self-Propelled Howitzer M55）是 美國 冷战 初期的一款 自行榴弹炮，以 M47巴頓 的底盘为基础研制。 原型车于1952年问世，但直到1955年才正式投产 [2]。

The M53 155 mm self propelled gun was designed to procure long-range fire support to allied positions while keeping pace with mechanized formations cross-country. It was adopted in 1952 for both the Army and Marine Corps, all made by Pacific Car & Foundry Company.

50 年代初，美国陆军装备的重型自行火炮有 M41 式与 M53 式 155mm、M43式与 M55 式 203mm4 种制式榴弹炮和加农炮。 这 4 种火炮均不能空运，根据当时美国强调的全球战略需求，对未来新式重型自行火炮提出了新的要求，即火炮应能空运，能快速进入与撤出战斗以及 ...

2019年10月22日 · M55式自行榴弹炮是美国1951年研制定型的203毫米装甲火炮，1952年装备部队，用以取代M2式203毫米榴弹炮，作为军和集团军级火炮。 该炮是由M2式与履带式专用底盘车构成。 1958年，美军支援国军六门M55自行火炮参与金门炮战。 韩国、越南及北约军队均有装备。 M55进入陆军服役，M53则进入海军陆战队服役，两种型号总共生产了30辆均已退役，被M110式203毫米自行火炮取代。 美国现仅装备国民警卫队。 M110自行榴弹炮，口径203mm... 而在游 …

2022年8月2日 · The easiest way of telling an M53 from an M55 is by looking at the gun. As shown here, the M53’s 155 mm gun is longer and thinner than the M55’s 203.2 mm howitzer.

2024年7月10日 · The M53/M55 was equipped with a powerful 155mm howitzer, which provided substantial firepower for its time. This made it effective in delivering long-range artillery support while offering better protection compared to earlier open-topped designs.

The M55 is an American fully enclosed and armored self-propelled artillery based on the M53 155 mm assault gun. It has a 203.2 mm (eight-inch) howitzer which can traverse 30° left or right, carrying 10 rounds of ammunition. The gun has a maximum range of …

155 mm (6.1 in) is a NATO -standard artillery shell caliber that is used in many field guns, howitzers, and gun-howitzers. It is defined in AOP-29 part 1 with reference to STANAG 4425. The 155 mm (6.1 in) caliber originated in France after the Franco-Prussian War (1870–1871).

The M55 rocket was a chemical weapon developed by the United States in the 1950s. The United States Army produced both Sarin and VX unitary warheads for the M55. In 1951, the US Army Chemical Corps and Ordnance Corps initiated a joint program to …