The T-72M4 CZ is an upgraded Czech version of the Soviet-made main battle tank T-72. The only user of this tank is the Czech Army. Between 2003 and 2006, 30 tanks were produced. The main armament is a 125 mm gun 2A46M. The crew comprises a gunner, driver and commander. Maximum speed on the road is 61 km/h, and in terrain 44 km/h. This tank is comparable with third generation MBT. All tanks are still in active service.
The main goal of modernization was to achieve combat parameters and utility properties of 3rd - 4th generation tanks. Upgrade increased the firepower by conducting effective fire from place or while moving and increased the effects of under-caliber projectiles with a completely new ammunition for the tank cannon and the possibility of observation in day and night. The new powerplant and the modification of the chassis significantly contributed to increase the mobility and maneuverability of the tank. It was also increased passive and active tank protection in combat by attaching dynamic body protection and turret protection, reinforcing the armor and body modification, laser detection and indication system, new protective smoke grenade and protective masking system (against visual, infra and radiolocation survey).
The upgrade was a joint venture between Nimda, Finmeccanica - Selex Galileo of Italy and Vop Cz (VOP25). The upgrade consist 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 PÅ™Ãstroje Praha SRO and a new communications suite has been added.
For protection, a new ERA is called DYNA, meaning DYNamic Armour developed in Czech was added along with full NBC protection and a fire detection and suppression system by German company Kidde Deugra.
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