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Wikipedia

152 mm towed gun-howitzer M1955 (D-20)

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D-20

TypeTowed howitzer
Place of origin Soviet Union
Service history
Used bySoviet Union and numerous others
WarsVietnam War, Six-Day War, Yom Kippur War, Soviet war in Afghanistan and numerous others
Production history
DesignerPetrov Artillery Design Bureau
DesignedCirca 1947
ManufacturerArtillery Plant Number 9, Yekaterinburg
Specifications
Weight5,700 kg (12,566 lbs)
Length8.69 m (28.5 ft)
Barrel length5.195 m (17 ft)
Width2.35 m (7.70 ft)
Height1.93 m (6.30 ft)
Crew8
Caliber152 mm (6 in)
BreechVertical semi-automatic sliding wedge
Recoilhydraulic buffer and hydropneumatic recuperator
CarriageSplit trail
Elevation-5° to 63°
Traverse58°
Rate of fire5-6 shots/min (burst)
1 shot/min (sustained)
Muzzle velocity650 m/s (2,132 ft/s) (typical)
Effective range17.4 km (11 mi)
Maximum range24 km (15 mi)
(rocket assisted projectile)
SightsPG1M indirect sight and OP4M direct fire sight

The 152 mm howitzer M1955, also known as the D-20 is a manually loaded, towed 152 mm artillery piece, manufactured in the Soviet Union during the 1950s. It was first observed by the west in 1955 and was therefore known as the M1955. There is also a Chinese copy, called Type 66.

Contents

History

The D-20 gun-howitzer was developed shortly after the end of WW2 by the F. Petrov Design Bureau; it was intended to replace the pre-war 152 mm ML-20 howitzer (M1937). The barrel length of the gun is 25 calibers. The D-20 was the first 152-mm cannon system to incorporate a semiautomatic vertical-sliding-wedge breech block. The gun was also used for the self-propelled 2S3 Akatsiya. The D-20 is in operation in at least 13 countries and has been license manufactured in the People's Republic of China as the Type 66 (or the improved version Type 66-1). Its self-propelled version known as Type 83 was first introduced in the mid-1980s. Yugoslavia also produced a further developed gun called the M84 NORA-A.

Ammunition

  • Frag-HE, OF-32 - range 17,400 meters
  • DPICM
  • DPICM-BB
  • Incendiary
  • Expendable Jammer
  • Chemical
  • Flechette
  • Semi-active laser-guided Krasnopol-M

Wars

Operators

References

  • Jane's Armour and Artillery 2005-2006

External links

 

All translations of 152_mm_towed_gun-howitzer_M1955_(D-20)


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