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.

The M55 Self-Propelled Howitzer was very similar in scope and function to the M53 SPG but centered around the 203.2mm M47 howitzer with limited total ammunition. Productionwent also to Pacific Car & Foundry until 1956.

Sep 28, 2016 · The M55 Self-Propelled Howitzer was a short-lived American development emerging out of the 1950s. The vehicle was designed around commonality of automotive parts with the existing M46 and M47 Patton series of medium combat tanks stocking US Cold War inventories at the time.

May 29, 2019 · Designed to complement and later replace the M53 self-propelled 155MM gun, the M55 is a 203MM variant based on the Patton tank. Fitted with 25 millimeters of armor, the M55 was designed to...

Aug 2, 2022 · Its fully-enclosed nature permitted the M53, and closely related M55, to be fitted with an NBC (nuclear, biological and chemical) system. Like many other self propelled guns (SPGs) before and after the M53, it was built on pre-existing chassis, in …

Jul 10, 2024 · The M53 and M55 are a pair of notable American self-propelled artillery pieces from the 1950s. These vehicles were built on the chassis of the M46 and M47 tanks, reflecting advancements in artillery technology and vehicle design during the post-World War II era.

Jul 7, 2011 · The M55 was essentially a 155mm self-propelled gun M53 rearmed with an 8" [203mm] howitzer. The M55 used components of the M48 Patton tank, but the automotive aspects were reversed.

The American M55 Self Propelled Gun was developed to replace the M43 and had a design that would be used in future SPG’s, that is a fully enclosed turret to protect the crew that was able too traverse, though limited with the M55. The turret was mounted on …

The M55 was a fully enclosed self-propelled artillery vehicle armed with an 8 gun. The turret was designed to protect the crew from shrapnel, small arms fire and nuclear, biological and chemical attack.

Nov 19, 2024 · A M55 Self Propelled Gun from the Flying Heritage and Combat Armor Museum