Mobarez (Persian: مبارز; meaning "Warrior") is an Iranian domestically upgraded version of the British Chieftain main battle tank (MBT).
== Changes == The hull of the tank has been modified at the back and sides. The fuel tank has been replaced by a new, repairable one. Also, additional vibration-damping systems have been added to protect sensitive electronic components. Other modifications include a laser range finder, a more powerful engine and the addition of light-amplifying and infra-red systems. The gearbox and suspension were changed, and an electrical generator was also added.
== Production == Iran upgrades its Chieftain tanks at the Shahid Kolahduz Industrial Complex along with its T-72 tanks.
== Operators == Iran
== See also == Iranian military industry
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