It was developed in 1971. An experimental batch was issued. It was not in service. In the battles was not used.
Tactical and technical characteristics
Weight – 42 tons
Number of crew – 3 people
The overall dimensions (length x width x height) are 9530 x 3370 x 2200 mm.
Armament
gun -1 piece, caliber – 125 mm., ammunition 45 shots
machine gun, pcs 2, caliber – 12.7 mm., ammunition – 300 shots
machine gun – 1, caliber-7.62 mm., ammunition 2000
Armored protection
Engine power – 780 hp
The maximum speed is 60 km / h
Cruising range on the highway – 650 km.
The depth of water barriers to be surfaced:
without OPVT. 1.8 m., With a short-term preparation of 1.2 m., With OPVT. 5 m.
Features of the construction of object 172M
Base – tank “object 172” with a new undercarriage and an original gun loading gun. The overall layout is classical.
Armament is a smoothbore gun, a two-plane arms stabilizer, an electro-hydraulic gun; automatic loading mechanism – electromechanical, separate dispatch of projectile and cartridge case; sight-rangefinder – monocular, periscopic, with an independent stabilization of the field of view.
Protection – welded body, from rolled parts, upper frontal part combined; turret cast, forehead combined; the bottom is welded, of stamped parts; installed anti-radiation block in the inhabited offices.
Chassis – engine 12-cylinder, V-shaped, four-stroke, multi-fuel, water-cooled diesel, with a drive centrifugal supercharger; transmission with a step-up reducer; suspension individual, torsion, with lever-lobed hydromotors; caterpillar belt with rubber-metal hinge.