Comparing: T-54 vs. T54E1

The first prototype was constructed at the end of 1944. After successful trials in 1945–1947 the T-54 mod. 1947 was adopted for service. 713 vehicles were constructed before production was phased out. In 1949 production of a new variant was launched.

A medium tank with an oscillating turret and automatic loading. Developed on the basis of the M48 tank in the mid-50s. Two prototypes were built. However, during trials automatic loading proved faulty and the development was discontinued in 1957.