IS-3 / JS-3 (Josef Stalin)

History

The IS-3 heavy tank (also known as "Joseph Stalin" or "Joseph Stalin" IS3) is a continuation of a series of tanks successfully used by the Soviet Army during World War II. The series began with the creation of the IS-1 in 1943 based on the KV series of a similar range. The IS-1 was followed by the IS-2, which debuted in the same year and was fitted with a lethal 122mm main gun.

Convinced that more could be achieved with such a system, the Soviets continued to develop the powerful IS-3 series.

The IS-3 was essentially a redesign of the entire IS series. The turret received a new rounded appearance, while the forward-leaning plate was more inclined for better ballistic protection. Both turret crew space and room for additional projectiles have been improved without losing the critical armor protection for which the series is known. In fact, the IS-3's turret has more armor protection than previous IS versions.

Overall armor protection is as good as ever, providing relative safety for man and machine. The new turret and hull design created a low profile, making it harder for her to follow from any angle.

The powerful 122mm (121.9mm) main weapon is retained for its proven long-range penetration, with experienced crews firing 2 to 3 rounds per minute. The commander's projectile range has been expanded to include at least 10 armor-piercing (AP) rounds and up to 18 high-explosive (HE) fragmentation rounds, giving the IS-3 flexibility in engaging a variety of targets on the battlefield .

The prototype appeared in October 1944 under the rather bland name "Object 703". In a very short time, prototypes were evaluated and accepted for serial production, starting at Soviet factories equipped to manufacture heavy vehicles. In May 1945, the first prototypes of the completed IS-3 arrived in Red Army stocks.

By the end of April, however, Hitler had committed suicide and the war in Europe was overBerlin had been reduced to Soviet troops, and the German war machine was being dismantled into the few remaining pockets that were still fighting. IS-3 became famous for its subsequent appearance at the Berlin Victory Parade on September 7.

However, when the war in Europe ended, the Soviets continued to fight the Japanese in the Far East, and it was believed that at least one regiment of the new IS-3 series was stationed at unknown capabilities in August 1945. Imperial Japan itself would formally surrender at the end of the month, ending the Pacific War.

By the end of the war, the IS-3 proved to be the most advanced tank of its kind on the battlefield. Production continued until mid-1946, culminating in some 2,311 individual examples.

During the fickle years of the Cold War, IS-3s continued to be in reserve for the Red Army and Soviet allies for decades. Its design influenced all Soviet tank efforts for the next two decades, and curious glances were even noticed in the West.

The IS-3 is sturdy and understated, and is characterized by its curved turret design - which looks like an upside-down frying pan. The long barrel is fitted with a muzzle brake with double baffles.

Each side of the rail is fitted with six road wheels, with an idler at the front, a drive sprocket at the rear, and three chain return rollers. The engine is housed in a large rear compartment, and the turret is mounted noticeably forward. The best operations team consists of four people. The IS-3 is equipped with a powerful D-25T series 121.9mm main gun that fires approximately 28 122mm rounds.

Secondary armament consists of a 12.7mm anti-aircraft machine gun (carrying 250 rounds) and one or two 7.62mm infantry machine guns (carrying 756 rounds). Armor protection for all panels ranges from 20mm to 230mm, and the thickest panels are basically over 9 inches impressive to say the least.

In any case, attacking IS-3 from the front may prove to be an unsuccessful attempt. Power for the heavy-duty chassis is provided by a 520hp V2 IS-series engine, enabling a top speed of 40km/h and a cruising range of 115km.

The IS-3 weighed 45.77 tons, had a barrel length of 32 feet 4 inches, and had a relatively low height of only 8 feet.

While large heavy tanks like the IS-3 are groundbreaking designs in many ways, they are naturally prone to some mechanical problems given their combat capabilities. The first is that a generally unreliable power pack -- the engine and drivetrain -- is prone to failure.

The Soviet authorities' rush to design and produce also led to IS-3 quality control issues related to airframe defects. These limitations have led to a period of upgrades aimed at improving some key areas by focusing on system upgrades - these include a better radio, new wheels and replacing the original clutch mechanism.

With these improvements, the IS-3's operational weight has increased by about 4 tons, with a slight impact on performance.

The IS-3 served in the Red Army from the late 1940s to the 1950s. A modernization program was developed to keep the IS-3 operational on the changing Cold War battlefield. Eventually, this WWII-era design was superseded by more modern thoroughbredseach thanks in part to the mighty IS-3and the IS-3 itself crept in.??? history books.

Before her time came to an end, she served in a number of foreign militaries, and even served as an instructor for a new generation of Soviet tankers before going into storage. Egypt became a prominent foreign operator of this type, showing the IS-3 at a military parade as early as 1956. The Israelis captured several examples during the conflict and rebuilt them for the IDF. The IDF even upgraded the IS-3 with better engines from the T54 tanks to improve performance and modernize outdated systems.

China received IS-3 supplies, but only after its involvement in the Korean War ended.

For the Soviets, the IS-3 was always considered "the most powerful tank in the world", and this became a claim that almost no one could refute.

Specification

Basic

Roles

Dimensions

Performance

Performance

for everyone else in our database)

Armor

28 x 122mm bullet

250 x 12.7mm ammo

756x7.62mm ammo

Changes