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2S4 Tyulpan: Wikis


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2S4 Tyulpan
2S4 Tyulpan.jpg
Type Self-propelled artillery
Place of origin  Soviet Union
Weight 30 tons
Length 8.5 m
Width 3.2 m
Height 3.2 m
Crew 9

Armor 20mm max.
240 mm mortar
12.7 mm DShK machine gun
Engine V-59 diesel
520 hp
Power/weight 17 hp/tonne
Suspension Torsion bar
420km (on road)
Speed 62 km/h

The 2S4 Tyulpan (often spelled Tulpan, Russian: 2С4 «Тюльпан»; English: tulip) is a Soviet self-propelled mortar. "2S4" is its GRAU designation.

It was identified for the first time in 1975 in the Soviet army and so was called M-1975 by NATO (the 2S7 Pion also received the M-1975 designation), whereas its official designation is SM-240(2S4). Its design is based on the GMZ tracked minelaying vehicle carrying an externally mounted M-240 240 mm breech-loading mortar on the hull rear.

The crew consists of four men, but an extra five are required to operate the mortar. This has a range of 9,650 m but an extended range munition exists with a possible range of 20,000 m. Due to the large size of the weapon and the weight of the ammunition (130 kg for a standard projectile) it has a slow rate of fire: one round per minute. In addition to the high explosive bombs, it can fire armour-piercing, chemical and nuclear rounds. It can also fire the "Smel'chak" (daredevil), a laser-guided round.

The Tyulpan is currently the heaviest mortar in deployment among any country.

It saw action during the conflicts in Afghanistan[1] and Chechnya[2]. In both conflicts, the Smel'chak projectile consistently destroyed targets quickly, precisely, and with only a few rounds. The extreme firepower per round compensates for the Tyulpan's slow rate of fire.




Former Operators


  1. ^ 2S4 M-1975 Tyulpan 240-mm self-propelled mortar
  2. ^ War in Chechnya
  3. ^ Russian Army Equipment
  4. ^ Jane's Armour and Artillery 1997-98 ISBN 0 7106 1542 6

External links


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