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IS-4 Tank

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The IS-4 was an enigmatic tank which was not well understood in the west until after it had left service with the Soviet Army. Several IS-4 prototypes were developed as the Obiekt 245 (701) series, including the Obiekt 701.2 with a 100mm S-34 gun, the Obiekt 701.5 with a 122mm D-25T and the Obiekt 701.6 which became the definitive production model IS-4.
The IS-4 was originally developed concurrently with the IS-3, however production was delayed until after the war, the IS-4 being produced at Chelyabinsk between 1947 and 1948 (though the factory claims series production 1944-47). The IS-4 had a redesigned hull, a new turret and thicker overall armour than the IS-3. Power was provided by a 750hp V-12 diesel engine which gave the tank a road speed of 30-40km/hour and a range of 320km. The tank incorporated several unique design featured including the use of an electro-mechanical gun loader. Around 200 tanks were produced in total and most were sent to the Soviet Far East. Consequently, the existence of the IS-4 only became known to the west after the tank had left active service with the Soviet army in the 1980’s.

Model Id:2850
Manufacture:Chelyabinskiy Traktornyy Zavod (ChTZ), Chelyabinsk, Chelyabinsk Oblast, Ekaterinburg and Surrounding Regions, Russia (Design parent and sole manufacturer)

1) Kubinka NIIBT Research Collection - Soviet Vehicles, Kubinka, Russia

Number of Photos: 1
Sample Photo from Album Number 356

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Unique ID: 356
Serial Number:
Other Identification: Collection number 111 painted on left turret side.

[PTIR: #15]