2S7 Pion

The 2S7 Pion ("peony") or Malka is a Soviet self-propelled 203mm heavy artillery. "2S7" is its GRAU designation.

2S7 Pion
TypeSelf-propelled artillery
Place of originSoviet Union
Service history
In service1976–present
WarsSoviet–Afghan War
First Chechen War
Second Chechen War
Russo-Georgian War
War in Donbass
Production history
Mass46.5 tons
Length10.5 m (34 ft 5 in)
Width3.38 m (11 ft 1 in)
Height3 m (9 ft 10 in)

Caliber203 mm
Effective firing range37.5-55km

Armor10mm max.
203 mm 2A44 gun
EngineV-46-I V12 turbocharged diesel
840 hp
Suspensiontorsion bar
Road: 650 km (400 mi)
Speed50 km/h (31 mph)

It was identified for the first time in 1975 in the Soviet Army and so was called M-1975 by NATO (the 2S4 Tyulpan also received the M-1975 designation), whereas its official designation is SO-203 (2S7). Its design is based on a T-80 chassis carrying an externally mounted 2A44 203 mm gun on the hull rear.[1]


It takes the crew of seven men 5–6 minutes to come into action and 3–5 minutes to come out of action. It carries four 203 mm projectiles for immediate use. It is capable of firing nuclear ammunition. The gun has a range of 37,500 m, but this can be extended to 55,500 m by using RAPs (Rocket Assisted Projectiles). The Pion has been the most powerful conventional artillery piece since entering service in 1983. One interesting feature of the Pion is the firing alarm. Because the blast of the weapon firing is so powerful—it can physically incapacitate an unprepared soldier or crew member near it from concussive force—the Pion is equipped with an audible firing alarm that emits a series of short warning tones for approximately five seconds prior to the charge being fired.

The 2S7 carries a crew of fourteen; seven are carried by the Pion and seven are with an auxiliary vehicle. The system carries four rounds of ammunition; four more rounds are carried by the support vehicle. Due to the long range, the crew can fire one or two rounds and leave position before the first round hits the enemy position over 40 km away. This makes the 2S7 less susceptible to counter-battery fire,[2] from an enemy with a counter-battery radar such as ARTHUR.

Operational / Combat history

  • The 2S7 was first used in combat by the Soviet Union in Soviet–Afghan War (1979-1989)
  • Russian forces used it in the First and Second Chechen Wars (First war: 1994-1996, Second war: 1999-2009)
  • The Georgian Army used 2S7s in the Russo-Georgian War in 2008 (7 aug.–16 aug. 2008), six of which were captured by Russian forces
  • 2S7s were brought back into service by the Ukrainian army during the War in Donbass in late 2014, and were used in combat just outside the 'buffer' zone stipulated by the Minsk Protocol, as they had long enough range to still provide artillery support.[3]
  • The Russian armed forces are reinforcing their artillery forces, reactivating 2S7M Malka 203 mm self-propelled howitzers (SPHs) and 2S4 Tyulpan 240 mm self-propelled mortars. The upgraded 2S7M SPH is linked to the modernised 1V12M command vehicle, which uses a GLONASS navigation unit.[4]


  • 2S7 Pion
    • 2S7M Malka – An improved variant, which entered service in 1983, that improved the gun's fire control systems, increased the rate of fire from 1.5 to 2.5 rds/min to 2.5 rounds per minute, and increased the ammunition load to eight projectiles.[5][6]
  • BTM-4 Trench Digger[7]


Although no figures have been released, it is estimated that well over 1,000 have been built.[8]

Former operators

See also


  1. "Gods of War: Top Five Most Fearsome Artillery Systems Used by the Russian Army - Sputnik International". Archived from the original on 7 May 2019.
  2. "2S7 Pion". Military Today. Archived from the original on 9 July 2009. Retrieved 10 January 2010.
  3. "2S7 Pion". War for Ukraine. Archived from the original on 14 April 2016. Retrieved 2 April 2016.
  4. "Archived copy". Archived from the original on 5 July 2018. Retrieved 6 July 2018.CS1 maint: archived copy as title (link)
  5. "Russia: 2S7M Malka 203mm self-propelled guns destroy targets at 50km | March 2018 Global Defense Security army news industry | Defense Security global news industry army 2018 | Archive News year". Archived from the original on 29 January 2019.
  6. "Russian Military Forces - Aviation - Navy - Infantry firearms - Communications - Ground systems - Weapon photogallery". Archived from the original on 6 July 2013. Retrieved 24 December 2014.
  7. "2S7 Pion". Military Today. Archived from the original on 9 July 2009. Retrieved 10 January 2010.
  8. Jane's Armour and Artillery 1997-98 ISBN 0-7106-1542-6
  9. "sipri.org". Archived from the original on 23 April 2014. Retrieved 3 May 2014.
  10. "Today.Az - What weaponry did Azerbaijan buy from Russia last year?". Archived from the original on 24 December 2014. Retrieved 24 December 2014.
  11. "Belarus Army Equipment". Archived from the original on 16 February 2017. Retrieved 4 September 2017.
  12. "2S7 Pion". Military Today. Archived from the original on 9 July 2009. Retrieved 10 January 2010.
  13. "Georgian Army: Georgian Land Ground Forces Military Equipment Armoured Vehicles - Pictures". Archived from the original on 31 May 2009. Retrieved 8 February 2016.
  14. "Archived copy". Archived from the original on 30 May 2016. Retrieved 24 September 2016.CS1 maint: archived copy as title (link)
  15. "bmpd.livejournal.com". Archived from the original on 27 September 2016. Retrieved 24 September 2016.
  16. "Archived copy". Archived from the original on 26 June 2018. Retrieved 26 June 2018.CS1 maint: archived copy as title (link)
  17. "Украина возвращает на вооружение мощнейшие САУ Пион: видео". Liga. Archived from the original on 11 November 2014. Retrieved 11 November 2014.
  18. History of 131th Artillery Division Archived 22 March 2013 at the Wayback Machine (in Czech)

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