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Tank Ex

Prototype main battle tank

Tank Ex MBT

The Tank Ex was intended to provide a solution for upgrading the Indian Army's ageing tank fleet

Entered service -
Crew 4 men
Dimensions and weight
Weight 47 t
Length (gun forward) 9.19 m
Hull length ?
Width 3.37 m
Height 2.93 m
Main gun 120-mm rifled
Machine guns 1 x 7.62-mm, 1 x 12.7-mm
Elevation range - 10 to + 16.5 degrees
Traverse range 360 degrees
Ammunition load
Main gun 32 rounds
Machine guns 3 000 x 7.62; 1 000 x 12.7
Engine diesel
Engine power 1 000 hp
Maximum road speed 60 km/h
Range 480 km
Gradient 60%
Side slope 30%
Vertical step 0.85 m
Trench 2.6 m
Fording 1.2 m
Fording (with preparation) ?


   The Tank Ex is the latest Indian prototype main battle tank. It is also known as the Karna. This MBT uses chassis of the T-72M1 (Ajeya) and turret and weapon system of the Arjun. It was developed in 2002 as a private venture. It was intended to provide a solution for upgrading the Indian Army's ageing T-72M1 fleet. The Tank Ex successfully undergone six months of trials, however it was rejected by the Indian Army. At least two prototypes have been built.

   This main battle tank uses Kanchan heavy composite armor. It is broadly similar to the British Chobham. Explosive reactive armor blocks can be added for improved protection. Vehicle is fitted with NBC protection and automatic fire suppression systems.

   The Tank Ex MBT is armed with a 120-mm rifled gun. This gun is loaded manually. This gun is capable of launching Israeli LAHAT anti-tank guided missiles in the same manner as ordinary projectiles. Ammunition is stored in the turret bustle, separated from the crew. Turret bustle is fitted with blow off panels. It is a significant protective feature over the T-72 design with its carousel-type autoloader. The Tank Ex is fitted with upgraded Arjuns fire control system.

   Secondary armament consists of coaxial 7.62-mm machine gun, and 12.7-mm roof-mounted machine gun.

   Vehicle is powered by a turbocharged diesel engine, developing 1 000 hp. The same engine is used on improved Ajeya MBTs. Also Ukrainian manufacturer proposes a 6TD-2 diesel engine, developing 1 200 hp. It is worth mentioning that the Tank Ex is significantly lighter than the Arjun. it also has a lower silhouette. This tank is fitted with auxiliary power unit, which powers main systems, when the engine is turned off.


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