Medium Tank T-54-2 (object 137) is the second version of the T-54 and was adopted in 1949. The tank differs from the previous version of the vehicle by other turret design with an improved form of its front part and the gun installation in a narrow embrasure. Also the tank track width was greater than in the previous embodiment. Subsequently, the tank was repeatedly upgraded and was in service with the Soviet Army up to 80’s of the 20th century. The tank was in production from 1949 to 1951.