The ZIL-157 is a 2.5-ton 6x6 truck that was produced in the Soviet Union from 1958 to 1994. It was originally designed for military use but was also used for civilian purposes. The truck was known for its reliability and durability, and it was exported to many countries around the world. Production of the ZIL-157 ended in 1994, but the truck remains in service in some countries.