Tanker's Tuesday: Type-72Z Safir-74

The T-72Z is a highly modernized version of the T-55, the
upgrades have been done by the Defense Industries
Organization of Iran. The name Safir-74 is used to refer
to the Iranian T-54 tanks which have gone through the same
upgrades, while Type T-72z is used to refer to Iran's Type 59
tanks which have gone through this upgrade.

http://en.wikipedia.org/wiki/Type-72Z_Safir-74