The T-72M4 CZ is an upgraded Czech version of the Soviet-designed, Czechoslovakia made main battle tank T-72M.

The main goal of modernization was to achieve combat parameters and utility properties of 3rd - 4th generation tanks.

The upgrade was a joint venture between Nimda, Finmeccanica - Selex Galileo of Italy and VOP CZ (VOP025).

The upgrade consists of a new powerpack in the form of Perkins Condor CV 12, Allison XTG-411-6N automatic transmission and Selex Galileo TURMS/T Fire Control System.

The navigation system was upgraded with NBV-97, which was developed by Letecké Přístroje Praha SRO and a new communications suite has been added.