The MAZ-543 is a heavy universal tractor developed by the MAZ since 1958 and based on the MAZ-537. The first real MAZ-543 was produced in 1962 but mass production started in 19651).
It was designed as a TEL for the SS-1c Scud B missile as part of the 9K72 system.
In 1966 started production of the MAZ-543A, an updated version with many slight changes allowing for wider multipurpose role.
In 19662).