The 4th Guards Tank Army was an operational military unit within the Armed Forces of the Soviet Union during the Great Patriotic War and in the post–war period.

On March 24, the 5th Guards Mechanized Corps was included in the army, in which, in addition to artillery and motorized rifles, there were 150 tanks.

On March 24, 1945, the 5th Guards Mechanized Corps went on the attack in the direction of Leobschütz – Troppau, but did not achieve much success and was able to advance only 3–4 km.

The 4th Guards Tank Army received the task of entering the breakthrough of the 5th Guards Army, and after it had broken through the enemy's defenses on the Neisse and Spree Rivers, overtaking the battle formations of rifle units, it was necessary to rapidly develop the offensive in the direction of Spremberg and on the sixth day of the operation capture the cities of Dessau and Rathenow.

Successfully advancing, the 4th Guards Tank Army captured the cities of Spremberg, Calau, Luckau, Babelsberg and on April 21 reached the approaches to the southwestern suburbs of Berlin.

Having reached the Treyenbritzen–Beelitz Line, the corps started a battle with the advanced units of the 12th German Army of General Wenck, which was trying to break through to Berlin.

[3] Having entered the German capital from the south, the 4th Guards Tank Army was rapidly moving towards joining forces with the troops of the 1st Belorussian Front, closing the encirclement around Berlin from the west.

Belov's 10th Guards Tank Corps, along with other army formations, continued to persistently storm the southwestern part of Berlin, pressing the enemy against the Brandenburg Gate.

Acting in difficult mountainous conditions, the guardsmen of the 16th Mechanized Brigade of Grigory Shcherbak broke into the city of Most, which is of great military–industrial importance, on the morning of May 8.

The 4th Guards Tank Army, by order of the front command, after the liberation of Prague, advanced to the east and southeast and cut off the escape routes of the defeated German troops to the west.

[6] After the end of the war, the 4th Guards Tank Army was included in the Central Group of Forces and was located in the Soviet Occupation Zone.