Arjun Tank, Features, Variants, Mk1, Mk1A, MkII, Contributions

Arjun Tank is India’s indigenously developed third generation Main Battle Tank designed by the Defence Research and Development Organisation (DRDO) with the aim of achieving superior firepower, mobility and protection. The development was initiated in 1972 and the project was completed in March 1995 with delivery of prototypes and pre production tanks. It has been inducted into the Indian Army with 100+ tanks operationalised in two armoured regiments.

Arjun Tank Features

Arjun Tank combines advanced firepower, mobility and protection systems, making it a modern battlefield platform suited for diverse operational conditions. The key highlighting features of the Tank are:

• Firepower System: Arjun is equipped with an indigenously developed 120 mm rifled gun using FSAPDS ammunition. It has a computer controlled integrated fire control system with stabilised sighting.
• Secondary Armament: The tank includes a 7.62 mm coaxial machine gun for anti personnel roles and a 12.7 mm machine gun for engaging aerial and ground targets effectively.
• Crew and Design: It is operated by a four member crew including commander, gunner, driver and loader, ensuring efficient division of operational responsibilities during combat situations.
• Mobility Capability: Powered by a 1400 HP diesel engine, Arjun achieves a top speed of around 70 km/h, providing high mobility and maneuverability across different battlefield terrains.
• Protection System: It uses Kanchan modular composite armour developed by DRDO, offering strong protection against anti tank ammunition along with NBC protection and fire suppression systems.
• Advanced Technologies: The tank integrates modern systems such as night vision, infrared systems, digital communication and passive countermeasures, making it a technologically advanced combat platform.

Arjun Tank Variants 

Arjun Tank has evolved into multiple variants with continuous improvements to enhance operational capability, survivability and indigenous content.

Arjun Mk1

• This is the base variant with 124 tanks ordered and 122 inducted into service, forming two armoured regiments and marking India’s entry into indigenous MBT capability.

Arjun Mk1A

• This upgraded variant includes 72 new features and 14 major upgrades, enhancing firepower, mobility and survivability with 54.3% indigenous content compared to 41% in Mk1.
• The Ministry of Defence placed an order for 118 tanks worth Rs 7,523 crore in 2021, boosting domestic manufacturing and supporting over 200 Indian vendors and 8,000 jobs.
• It includes improved transmission systems, better target engagement, all terrain mobility and capability to operate effectively in both static and dynamic combat conditions.

Also Read: T-90 Bhishma Tank

Arjun MkII

• MkII is under development with 73 improvements including 15 major upgrades, out of which 53 have been validated through user trials, though the induction timeline remains uncertain.
• It is planned as a lightweight futuristic MBT with electro optical sensors and high power laser systems, enhancing surveillance and combat effectiveness in modern warfare scenarios.

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Arjun Tank Contributions 

Arjun Tank has contributed significantly to India’s armoured strength through deployment, trials and technological advancements in indigenous defence production.

• Operational Deployment: Two armoured regiments (43 and 75 Armoured Regiments) equipped with Arjun Mk1 have been raised and deployed, primarily along western frontiers for strategic defence operations.
• Trial Performance: During comparative trials in 2010, Arjun Mk1 outperformed imported T 90 tanks in key parameters such as firing accuracy, mobility and subsystem performance.
• Development Milestone: The project began in 1972 and was completed in 1995 at a total cost of Rs 305.60 crore, reflecting long term indigenous technological development efforts.
• Mk1A Induction Progress: The upgraded Mk1A variant was developed within two years (2010-2012) and tested over 7000+ km, highlighting rapid advancement in indigenous defence capabilities.
• Industrial Impact: The Mk1A project supports over 200 Indian vendors and generates employment for around 8,000 people, strengthening the domestic defence manufacturing ecosystem.