76 mm divisional gun M1942 (ZiS-3)
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|76-mm divisional gun M1942 (ZiS-3)|
ZiS-3 in Nizhny Novgorod, Russia
|Place of origin||Soviet Union|
|Wars||World War II|
Lebanese Civil War
South African Border War
Angolan Civil War
Yemeni Civil War (2015–present)
|Designer||design bureau of No. 92 Artillery Factory headed by V. G. Grabin|
|Mass||combat: 1,116 kg(2,460 lbs)travel: 2,150 kg(4,730 lbs)|
|Barrel length||3.4 m (11 ft 2 in) 42.6 calibers|
|Width||1.6 m (5 ft 3 in)|
|Height||1.37 m (4 ft 6 in)|
|Shell||Fixed QF 76.2 × 385 mm. R|
|Caliber||76.2 mm (3 in)|
|Breech||Semi-automatic vertical sliding-wedge|
|Elevation||−5° to +37°|
|Rate of fire||up to 25 rounds per minute|
|Maximum firing range||13.29 km (8.25 mi)|
The 76-mm divisional gun M1942 (ZiS-3) (Russian: 76-мм дивизионная пушка обр. 1942 г. (ЗиС-3)) was a Soviet 76.2 mm divisional field gun used during World War II. ZiS was a factory designation and stood for Zavod imeni Stalina ("factory named after Stalin"), the honorific title of Artillery Factory No. 92, which first constructed this gun.
Artillery Factory No. 92 began designing the ZiS-3 at the end of 1940. The ZiS-3 combined the light carriage from the 57 mm ZiS-2 anti-tank gun and the powerful 76.2 mm barrel from the F-22USV, the previous divisional field gun. The addition of a muzzle brake reduced recoil and prevented damage to the light carriage upon firing. Producing a ZiS-3 cost only a third of the time and two-thirds of the money of a F-22USV by making greater use of casting, stamping and welding.
V. G. Grabin, the chief designer of Soviet medium caliber guns, initiated the gun's development without state approval, and the prototype was hidden from the state. Marshal Grigory Kulik, commander of Soviet artillery, had ordered a halt to the production of light 45 mm anti-tank guns and 76.2 mm divisional field guns in the belief that they were inadequate; the Soviets overestimated the armour protection of the latest German heavy tanks from propaganda about the Neubaufahrzeug multi-turreted prototype tank.
The beginning of the Great Patriotic War revealed that the pre-war 76 mm guns overmatched German armour; in some cases even 12.7 mm DShK machine guns were adaquete. Most of the 76 mm guns were lost early in the war; some captured examples armed German Panzerjäger self-propelled guns. Marshal Kulik ordered the F-22USV back into production. At Artillery Factory No. 92, Grabin put the ZiS-3 into mass production in December 1941.
The factory's ZiS-3 stockpile grew and went unused as the Red Army refused to accept the guns without the usual acceptance trials. Grabin convinced the army to issue the guns for impromptu testing at the front, where it proved superior to existing divisional field guns. A subsequent demonstration impressed Joseph Stalin, who praised the weapon as "a masterpiece of artillery systems design." The ZiS-3 underwent an official five-day acceptance trial in February 1942, and was then accepted into service as divisional field gun model 1942 (full official name).
Grabin worked to increase production at Artillery Factory No. 92. Conveyor assembly lines admitted the use of low-skilled labour without significant quality loss. Experienced laborers and engineers worked on complicated equipment and served as brigade leaders; they were replaced on the production line by young factory workers who were exempt from conscription, producing a new generation of skilled labourers and engineers. More than 103,000 ZiS-3s were produced by the end of the war, making it the most numerous Soviet field gun during the war.
Mass production of the ZiS-3 ceased after the war. It was replaced by the 85 mm D-44 divisional field gun. The D-44 had better anti-armour capabilities, but inferior mobility due to its increased weight.
The Finns captured 12 units, and designated them 76 K 42.
At least one ZiS-3 was produced at the Reșița Works in Reșița, Romania, during 1943. This Romanian-produced copy was tested against several Romanian-designed prototypes as well as some foreign models, until eventually one of the Romanian prototypes was selected for production as the Tunul antitanc DT-UDR 26, cal. 75 mm, md. 1943, commonly shortened to 75 mm Reşiţa Model 1943. This gun had the muzzle break, split-trail carriage and recoil/firing mechanisms of the ZiS-3. At least 375 DT-UDR guns were produced by Romania, including three prototypes.
The Romanian TACAM R-2 tank destroyer was a R-2 tank converted to mount the ZiS-3 in a three-sided fighting compartment. Also, at one point during the development of the Mareșal tank destroyer, the ZiS-3 was fitted on one of the prototypes for trials. Eventually, the Romanians chose their own, superior DT-UDR 75 mm anti-tank gun for the final Mareșal prototypes.
The KSP-76 was a wartime light assault car mounting the ZiS-3; it did not advance beyond the prototype stage.
|Type||Model||Weight, kg||HE weight, g|
|Armour-piercing projectiles (muzzle velocity 700 m/s)|
|Composite Armour-piercing projectiles (muzzle velocity up to ? m/s)|
|Developed after World War II||BR-350N||3.02||N/A|
|High explosive and fragmentation shells (muzzle velocity 680 m/s)|
|HE/Fragmentation steely iron||OF-350A||6.2||640|
|Fragmentation steely iron||O-350A||6.21||540|
|HE developed in France||F-354F||6.41||785|
|Other projectiles (muzzle velocity up to 680 m/s)|
|HEAT, developed after World War II||BK-354||7||740|
|Smoke steely iron||D-350A||6.45||N/A|
|Armour penetration table|
|AP Projectile BR-350A|
|Distance, m||Meet angle 60°, mm||Meet angle 90°, mm|
|These data were obtained by Soviet methods of armour penetration measurement (penetration probability equals 75%). They are not directly comparable with western data of similar type.|
Soviet soldiers liked the ZiS-3 for its extreme reliability, durability, and accuracy. The gun was easy to maintain and use by novice crews. The light carriage allowed the ZiS-3 to be towed by trucks, heavy jeeps (like American lend-leased Dodge 3/4), or even hauled by the crew.
The gun was also quite popular with the German Wehrmacht. The gun was introduced into German service as the Kanone 7.62 cm (r) and factories were retooled to produce ammunition for it.
ZiS-3 had good anti-armour capabilities. Its armour-piercing round could knock out any early German light and medium tank. The frontal armour of later tanks, like the Tiger I and later the Panther, were immune to the ZiS-3.
A ZiS-3 battery had four guns; three batteries made a division, or battalion. Independent anti-tank regiments consisted of six batteries with no divisions. A staff battery included a fire control section.
The ZiS-3 saw combat service with North Korean forces during the Korean War (1950–1953). It was also deployed by the People's Armed Forces for the Liberation of Angola (FAPLA) during the Angolan Civil War and the South African Border War and by Tanzania People's Defence Force during Uganda–Tanzania War in 1978–1979.
The ZiS-3 was exported to Soviet allies during the Cold War, who in turn exported it to Third World countries. In Europe, Austria received about 36 of them in 1955 and kept them in service until 1991 under the designation PaK-M42. In the 1990s, both the Croatian Army and the Army of the Republic of Serb Krajina used it.
In 2016, the gun remained in active service with the armies of at least six sovereign nations: Cambodia, Nicaragua, Namibia, Sudan, Mozambique, and Tanzania. Mozambique currently operates the largest number of ZiS-3s, with 180 remaining in service. A number of other nations, including Zimbabwe, retain functioning ZiS-3s to fire gun salutes during ceremonial occasions.
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