Russian medium tank T-34 with 85-mm gun.
History, development, service, specification, pictures and 3D model.
Type: Russian medium battle tank.
The inability of the T-34 Model 1943 adequately to deal with the new German armour, like the Panzer V Panther and Panzer VI Tiger, forced the NKTP to accept the fact that major improvements in Russian tank design would have to be accepted no matter what disruption they caused the tank industry. The GKO intervened, having been deluged by complaints from the field that Soviet tanks needed ‘a longer arm’ to reach out and smash German armour.
Four gun design teams were assigned to a crash programme to field an up-armed T-34. Besides the Grabin and Petrov teams already working on 85mm guns, Grabin’s bureau at Zavod Nr. 92 in Gorki was turned over to 23-year-old A. Savin when Grabin was shifted to the Central Artillery Design Bureau (TsAKB) in Moscow, and K. Siderenko’s team also began design work on their S-18 85mm gun. The new guns were tested at the Gorokhovieskiy Proving Grounds outside Gorki, where Grabin’s ZiS-53 was declared the winner.
Unfortunately, the new turret, designed by V. Kerichev at Krasnoye Sormovo in Gorki, did not mate properly with the new gun, apparently being designed around Petrov’s D-5 gun which had been available earlier since it was already in production for the SU-85.
Two unarmed T-34-85s were completed on 15 December 1943, and the GKO approved the type for Army service despite the problems. To circumvent any further delays, the NKTP ordered the T-34-85 into production on an interim basis, using the runner-up D-5T gun. This entered production at Zavod Nr. 112 Krasnoye Sormovo in December 1943. In the meantime, Grabin’s gun was adapted to fit the new turret by Savin, who incorporated other improvements. The modified gun was designated ZiS-S-53, in acknowledgement of Savin’s contributions to the design. It supplanted the D-5T on the new T-34-85 Model 1944 in the spring of 1944.
The T-34-85 Model 1943 and T-34-85 Model 1944 differed in a number of respects. The most obvious external difference was the gun mantle, but the Model 1944 also had the commander’s cupola moved back to give more room to the gunner and to allow the radio to be moved from its previous position near the hull machine-gunner up into the turret in front of the commander so that he had more control over it.
The T-34-85 represented not only an important leap forward in firepower, but finally the T-34 turret was reconfigured for a three-man crew with full vision facilities for the tank commander and with full radio equipment. T-34-85 production did not completely supplant production of the T-34 Model 1943 armed with the 76-mm gun at all factories, but did make up the bulk of the 1944 production.
Users: Russia/Soviet Union.
Animated 3D model T-34-85 Model 1944
Specifications for T-34-85 Model 1944
|T-34-85 Model 1944||Specification|
|Type||medium battle tank|
|Engine||12 cylinders V-2 with 500 hp|
|Maximum speed||55 km/h|
|Fuel consumption per 100 km||225 liters|
|Road radius||360 km|
|Cross-country radius||310 km|
|Vertical obstacle||0.79 m|
|Trench crossing||2.49 m|
|Fording depth||c. 1.37 m|
|T-34-85 Model 1944||mm||angle|
|T-34-85 Model 1944||Specification|
|Main armament||85-mm-gun M1944 ZIS-S-53 L/51|
|Muzzle velocity Arnour piercing (APCBC)||792 m/s|
|Muzzle velocity Arnour piercing (DS)||1,200 m/s (only limited available)|
|Muzzle velocity High-explosive fragmentation||792 m/s|
|Shell weight Armour piericing (APCBC)||9.02 kg|
|Shell weight Arnour piercing (DS)||4.9 kg|
|Shell weight HE-fragementation||9.2 kg|
|Secondary armament||two 7.62 mm DT MG|
|Radio||9R (range 24 km)|
|Range||APCBC 30°||APCBC 0°||DS 30°||DS 0°|
|Penetration 100 meters||?||?||?||?|
|Penetration 500 meters||103 mm||111 mmm||c.110 mm||138 mm|
|Penetration 1,000 meters||94 mm||102 mm||c. 80 mm||100 mm|
|Penetration 1,500 meters||86 mm||?||-||–|
|Penetration 2,000 meters||77 mm||?||-||–|
|T-34-85 Model 1944||data|
|Production||Spring 1944 – 1947 (continued from 1953 in Poland and Czechoslovakia). T-34-85 Model 1943 with 85-mm-D-5 gun December 1943 – Spring 1944|
|Combat delivery||Early 1944|
|Price per tank||193,000 Rubels (Model 1942)|
|Total production figure (all variants)||c.53,000 + 9,000 from 1953 in Poland and Czechoslovakia|
Video from the action with the T-34-85 in video games
Please click on the start button for this c.5 min video !
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