At the end of 1960, new improved models of dump trucks appeared: the construction ZIL-MMZ-130D and the agricultural ZIL-MMZ-130B. In June 1963, trailers for the K-700 Kirovets tractor were successfully tested. The production of concrete lorries ZIL-MMZ-553, which were used in the construction of the Aswan dam on the Nile River, began. From the end of 1964, the planned production of ZIL-MMZ-555 dump trucks began.

The production of metro cars did not stop. The car of type "D" was significantly improved. At the initiative of the designer N.M. Litarov, a new ventilation device with automatic air supply was created, as well as a lightweight mechanism for closing the doors.

And in 1963 the production of new, more economical cars of the "E" type began, which  were improved in 1969 and started to be produced as "EZh" type cars. The plant's express trains were delivered specifically for the Leningrad Metro, as well as in Tbilisi and Baku. There were orders from abroad: Czechoslovakia and Hungary.

In 1968, the information processing center (IVC) began operating at the plant. In 1972, the serial production of the ZIL-MMZ-554B dump truck began.

The seventieth years on MMZ have begun with working out of the complex plan of technical progress, perfection of the organization of work and social development of collective.

In the years 1973-1977. the designers of the enterprise developed a new modification of the metro cars - the "EZhZ" type car, on the basis of which an export modification was developed - cars of the "ECHS" and "EBZ" type, intended for the Prague and Budapest metro. In 1974, tests of the "I" type cars began, the body of which was made of aluminum alloy. This car was three tons lighter than an E-type car, its interior was wider and accommodated 25-30 passengers more.