Object 770 heavy experimental tank

Object 770 heavy experimental tank

Object 770 heavy experimental tank

The Soviet experimental heavy tank “Object 770”

It was developed in 1957 by the ChTZ KB headed by P.Isakov. A prototype has been issued. The work was stopped in 1961. He was not in service. In the battles was not used.
Tactical and technical characteristics

Weight – 55 tons
Crew -4 people
Overall dimensions (length x width x height), mm. 10150 x 3380 x 2420
Armament
gun – 1 piece, caliber – 130 mm., ammunition – 26 shots
machine gun – 1 piece, caliber – 14.5 mm., ammunition – 250 shots
Armored protection, mm: the forehead of the body – 120, the forehead of the turret. 290
Engine power – 1000 hp
The maximum speed is 55 km / h
Cruising range on the highway – 200 km.
The depth of the water barriers to be surfaced is 1 meter

Design Features

The base is special.
The overall layout is classical.
Armament – used: a loading mechanism, an armament stabilizer in two planes, an automated guidance system, a sight-range finder; Day and night devices for shooting and surveillance.
Protection – the body is cast-in-one with different thicknesses in height and body length; The tower is cast with an enlarged frontal part and an elongated stern.
Chassis – engine DST-10, 10-cylinder, four-stroke diesel engine with a supercharging compressor and using the energy of exhaust gases, double row, cooling water; hydromechanical transmission with integrated hydro-transformer and planetary gearbox; individual hydro pneumatic suspension with hydraulic caterpillar tensioning mechanism; Motion control with the help of a motorcycle-type handle; support rollers with internal damping.