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2S4 Tyulpan



Overview


2S4 Tyulpan

Several 2S4 Tyulpan large caliber self-propelled mortars on the move.

Source: Unknown author - © Copyright lies with original owner

Origin
Soviet Union
Type
Self-propelled mortar
Entered service
1972
Status
Limited service
Development
1966 - 1971
Design project
1972
Passed state trials
Developer
Soviet Union - SKB-172 design bureau of the Motovilikha Plant
Production
1969 (3 prototypes)
1972 - 1988 (series production)
Producer
Soviet Union - Uraltransmash
Unit cost
210.000 Rubles in 1972
Number produced
588
Designations
2S4
GRAU index
SM-240
Russian service designation
Tyulpan
Official nickname, Russian for "tulip"
M1975
NATO reporting name
Obyekt 305
GABTU index

Details


Facts 2S4 Tyulpan
General
Origin
Soviet Union
Type
Self-propelled mortar
Crew
5
Dimensions
Weight
30 t
Length
7.94 m in travel configuration
Width
3.2 m
Height
3.25 m in travel configuration
Main armament
Type
240mm 2B8 L/20.8 breech loaded mortar
Ammunition
20 standard shells or 10 rocket assisted projectiles
Rate of fire
1 rpm
Elevation
+50 to +80 degrees
Traverse
-10 to + 10 degrees at minimum elevation
-41 to +41 degrees at maximum elevation
Range
0.8 km to 9.5 m for standard shell types
7 km to 19.7 km for rocket-assisted shell types
Secondary armament
Type
7.62mm PKT machine gun
Mount
Remote mount on commander's cupola
Ammunition
1.500 rounds
Elevation
-6 to +15 degrees
Traverse
164 degrees left and 23 degrees right
Automotive
Chassis
Tracked chassis, 6 roadwheels, drive sprocket front and idler rear
Ground pressue
0.61 kg/cm^2
Suspension
Torsion bar
Engine
V-59U V12 four stroke supercharged diesel
Power output
520 hp
Transmission
Mechanical, 6 forward, 2 reverse
Fuel
830 L
Mobility
Max speed
63 km/h on road
25 - 30 km/h in the field
Range
500 km on road
Ground clearance
0.45 m
Wall
0.7 m
Trench
2.55 m
Fording
1.0 m
Protection
Armor type
Steel
Armor thickness
7 - 20 mm
NBC system
Yes, for crew within vehicle
Crew exposed when operating main armament