M-84AS1

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M-84AS1
Serbian M-84AS1
Type	Main battle tank
Place of origin	Serbia
Service history
Used by	Serbia
Production history
Designer	Military Technical Institute
Designed	2017-2020
Manufacturer	Technical Overhauling Institute "Čačak"[1]
Produced	2023
No. built	12, more ordered
Specifications
Mass	45 tonnes
Length	9.53 m
Width	3.73 m
Height	2.23 m
Crew	3 (commander, gunner, driver)
Armor	cylindrical pad, high-hardness steel, titanium, aluminium, tungsten, modular Explosive reactive armour
Main armament	125 mm 2A46M smoothbore gun
Secondary armament	7.62 mm M86 coaxial machine gun, 12.7 mm M87 anti-aircraft machine gun
Engine	diesel power pack V46-TK or V46TK-1[2][3] 1,000[4][5] or 1,200 hp power pack
Power/weight	26.7 hp/tonne
Suspension	torsion bar
Operational range	700 km
Maximum speed	~ 80 km/h

The M-84AS1 and M-84AS2^[6][7][8] are substantially modernized versions of the M-84 main battle tank designed by the Military Technical Institute and produced by Technical Overhauling Institute "Čačak" in Serbia. The first version designated as M-84AS1 was presented in 2017. Later revisions feature numerous improvements and were presented in 2020 and 2021.

Latest revisions of the AS1 and AS2 incorporate newly domestically developed modular explosive reactive armour, a modern battlefield management and fire-control system, a remote controlled weapon station and other updates.^[9] A total of 21 subsystems are updated with modern solutions. AS1 and AS2 are developed in parallel and differ in the number of implemented subsystems and some specific turret modification regarding RCWS, the commander hatch and equipment implementation. AS2 is probably going to be used as a platoon commander tank as soon as mass modernization begins.^[10]