75 Mm Re%C8%99i%C8%9Ba Model 1943
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75 Mm Re%C8%99i%C8%9Ba Model 1943

Re?i?a 75 mm anti-tank gun
Tun 75 mm Resita Model 1943.jpg
DT-UDR 26 displayed in Timi?oara.
Typeanti-tank/field gun
Place of originRomania
Service history
In service1943--45?
Used byRomania
WarsWorld War II
Production history
ManufacturerUzinele ?i Domeniile Re?i?a, Astra, Concordia
No. built375+ (including 3 prototypes)
Specifications (data from:[1])
Mass1,430 kilograms (3,150 lb)
Length5.45 metres (17.9 ft)
Barrel length3.625 metres (142.7 in) (rifling) L/48
Width1.82 metres (6.0 ft)
Height1.55 metres (5.1 ft)

ShellFixed QF 75×562mm R
Shell weight6.6 kilograms (15 lb) (AP)
Caliber75 millimetres (3.0 in)
BreechVertical sliding-block
CarriageSplit trail
Elevation-7° to +35°
Rate of fireup to 20 rounds per minute
Muzzle velocity1,030 metres per second (3,400 ft/s)
Maximum firing range12,000 metres (13,000 yd) (HE)

The 75 mm Re?i?a Model 1943 was an anti-tank gun produced by Romania during World War II. It combined features from the Soviet ZiS-3 field\anti-tank gun, the German PaK 40 and the Romanian 75 mm Vickers/Re?i?a Model 1936 anti-aircraft gun. It saw service against both the Soviets during the Jassy-Kishniev Offensive and against the Germans during the Budapest Offensive and subsequent operations to clear Austria and Czechoslovakia.


Development began in 1942 of a dual-purpose field and anti-tank gun that could be built in Romania to replace the collection of obsolescent field guns currently used and upgrade their anti-tank defenses of the army. To speed development Colonel Valerian Nestorescu suggested combining the best features from the 75 mm (3.0 in) guns already in service in Romania, Germany or captured from the Soviets. Colonel Nestorescu was selected to produce a prototype to be built at the Uzinele ?i Domeniile Re?i?a in Re?i?a. Three prototypes were built combining various features and trialled against the ZiS-3, a Re?i?a-built copy of the ZiS-3, the Pak 40 and the Schneider-Putilov Model 1902/36 field gun in September 1943 and the third prototype had the greatest armor penetration. It was adopted as the Tunul antitanc DT-UDR 26, cal. 75 mm, md. 1943, commonly shortened to 75 mm Re?i?a Model 1943.[2]


DT-UDR 26 close-up view

The gun combined the muzzle brake, recoil and firing mechanisms and split-trail carriage of the ZiS-3, the barrel, rifling and cartridge chamber of the Vickers/Re?i?a Model 1936 anti-aircraft gun and the projectile chamber of the Pak 40. It had a gun shield that consisted of two 6 millimetres (0.24 in) plates separated by a 20 millimetres (0.79 in) gap. It had only 680 parts, almost as few as the 610 of the ZiS-3, but far fewer than the 1200 of the Pak 40. It had a higher muzzle velocity and thus greater penetrative power than the Pak 40. It therefore combined virtues of both the ZiS-3 and Pak 40. 1100 guns were ordered on 10 December 1943 from Uzinele ?i Domeniile Re?i?a, Astra in Bra?ov and Concordia in Ploie?ti.[3]

The 75 mm Re?i?a Model 1943 fired a 6.6 kg (15 lb) armor-piercing shell at 1,030 metres per second (3,400 ft/s). It was credited with penetration of a plate over 100 millimetres (3.9 in) thick angled at 30° from the vertical at 500 metres (550 yd).[4] However, this high muzzle velocity came at the cost of a very short barrel life, only 500 rounds, compared to the 6000 of a Pak 40. Its ammunition combined features of shells used by the Pak 40 and the Vickers/Re?i?a Model 1936 anti-aircraft gun,[5] although this raises the issue of exactly how the Re?i?a Model 1943 achieved such velocities. The Pak 40 had a muzzle velocity of 990 m/s (3,200 ft/s) when firing the light-weight, tungsten-cored Pzgr 40 shell, but the only data for the Re?i?a give a shell weight of 6.6 kg (15 lb), which is roughly equivalent to the Pak 40's full-sized 6.8 kg (15 lb) Pzgr 39 shell that was fired at a mere 792 metres per second (2,600 ft/s).[6] Unfortunately detailed specifications for the Re?i?a's ammunition haven't been discovered so that question will have to remain unanswered.

The 75 mm Re?i?a Model 1943 had a maximum elevation angle of 35 degrees, which allowed it to also be employed as a field gun. This was almost as much as the 37 degrees of the Soviet ZiS-3, a dedicated field gun, and significantly more than the 22 degrees of the German Pak-40 anti-tank gun. It could also depress slightly more than both (-7 degrees compared to -5 degrees of the other two guns). This made the Romanian gun arguably the most versatile in its class during World War II, outperforming its Western, German and Soviet equivalents.[7]

Operational use

Breech inscriptions on the gun in Oradea, Romania. Serial number 394.

The first twenty-four guns were issued to the 1st Armored Division in the spring of 1944 and later two independent anti-tank regiments with thirty-six guns apiece formed from the artillery regiments of the disbanded Frontier Division. Most of the cavalry and infantry divisions began to receive some guns during the summer of 1944. A total of 372 pieces were produced: 210 at the Re?i?a works, 120 at the Astra Works in Bra?ov and 42 at the Concordia Works in Ploie?ti.[8] However, the gun displayed in Oradea has serial number 394, thus the production run was likely larger. Despite the losses suffered during the Soviet Jassy-Kishniev Offensive of August 1944 most divisions at the front in February 1945 had between six and twelve 75 mm Re?i?a Model 1943 on hand.[9] After the war, the gun was relegated to secondary roles, such as training, because it had a western caliber. The 75 mm Re?i?a Model 1943 was used until 1998, when it was phased out.[10]

The gun was also used on the later prototypes of the Mare?al tank destroyer.

An almost complete example, lacking optical sights, is displayed at the Romanian National Military Museum in Bucharest.[11] Five more are displayed in various places around the country - one on the sidewalk in front of the Military Museum in Oradea, two more in Libertatii Square in Timisoara, one in the Dej Military Museum and, finally, one at the Military Museum in Constan?a.


  1. ^ Axworthy, p. 235
  2. ^ Axworthy, pp. 235-6
  3. ^ Axworthy, pp. 236-7
  4. ^ Axworthy, p. 235
  5. ^ Axworthy, p. 236
  6. ^ Hogg, Ian V. (1997). German Artillery of World War Two (2nd corrected ed.). London: Greenhill Books. p. 197. ISBN 1-85367-480-X.
  7. ^ Axworthy, pp. 235-7
  8. ^ Axworthy, p. 149
  9. ^ Axworthy, p. 237
  10. ^ Army Courier, no. 21(232) 15 November 2007, page 9
  11. ^ "Colectii -- Specialitati militare" (in Romanian). Archived from the original on 12 May 2008. Retrieved 2009.


  • Axworthy, Mark; Scafes, Cornel; Craciunoiu, Cristian (1995). Third Axis, Fourth Ally: Romanian Armed Forces in the European War, 1941-1945. London: Arms and Armour. ISBN 1-85409-267-7.

External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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