2S3M1 Russian 152mm Self-Propelled Howitzer (SPH)
2S3M1 (SO-152M1)
Self-Propelled Gun (SPG)
Other
Basic Information
Name
2S3M1 Russian 152mm Self-Propelled Howitzer (SPH)
Designation
2S3M1 (SO-152M1)
Alternate Designation
2S3M1 (SO-152M1)
Equipment Type
Self-Propelled Gun (SPG)
Manufacturer
Uraltransmash
Date of Introduction
1971
Description
The 2S3M1 Russian 152mm Self-Propelled Howitzer (SPH) is Equipped with command data acquisition and display equipment, and with a new SP-538 sight. OF-38 Krasnopol laser-guided rocket-assisted projectiles were added to standard ammunition. Produced in 1987–1993. All 2S3s and 2S3Ms were modernized to the 2S3M1 level.
Ground Specifications
Crew
4
Mobility Type
Tracked
Main Weapon
152.4mm D-22 howitzer L/27
Engine
Diesel (520 hp)
Active Protection
None
Max Speed
60.0 km/h
Range
500.0 km
Variants
2S3 (SO-152)
Basic variant, developed in 1968. Produced in 1970–1975. Two modifications used D-11 and D-11M howitzers.
2S3M (SO-152M)
Equipped with a mechanized drum-type stowage for 12 rounds, the amount of hatches in rear armored plates of the hull and the turret was reduced, the configuration of those hatches was changed, antenna of R-123 radio set was transferred on a turret top. Ammunition was increased from 40 to 46 rounds (usually consists of 42 OF-540 and OF-25 HE-Frag projectiles, and of 4 BP-540 HEAT-FS projectiles). Much more powerful OF-29 HE-Frag projectiles and OF-38 Krasnopol laser-guided rocket-assisted projectiles were developed for SO-152M. The modernized howitzer has a designator 2A33. Produced in 1975–1987.
2S3M1 (SO-152M1)
Equipped with a command data acquisition and display equipment, and with a new SP-538 sight. OF-38 Krasnopol laser-guided rocket-assisted projectiles were added to standard ammunition. Produced in 1987–1993. All 2S3s and 2S3Ms were modernized to 2S3M1 level.
2S3M2 (SO-152M2)
Modernized variant equipped with an automatic fire control system, a satellite navigational system, and smoke grenade launchers. Developed in 2000.
2S3M2-155
An export-oriented variant of 2S3M2 equipped with a new 155 mm M-385 howitzer. Developed in 2000.
2S3M3
An experimental variant of 2S3M2 equipped with a further improved fire control system and a modernized howitzer 2A33M that can fire ordnance of a more powerful 2A65 howitzer that equips the 2S19.
System
Alternative Designation
2S3M1 (SO-152M1)
Manufacturer
Uraltransmash
Type
Self-propelled gun
Crew
4 ea
Chassis
Object 123 tracked chassis
Family
2S3 Family
Displacement Time
3 min
Emplacement Time
3 min
Dimensions
Length (Overall)
9.48 m
Length (Hull)
7.765 m
Width
3.25 m
Height
3.05 m
Weight, Combat
27,800 kg
Ground Clearance
0.45 m
Track Width
480 mm
Length of track on ground:
4.94 m
Ground pressure
8.39 psi psi
Automotive
Engine Name
V-59
Engine Type
Diesel
Engine Power
520 hp
Power to Weight Ratio
17.3 hp/ton
Fuel Capacity
830 liters
Transmission
Mechanical two-gear transmission
Cruising Range
500 km
Speed, Maximum Road
60 km/h
Speed, Average Cross
INA
Speed Maximum Swim
Not Amphibious
Gradient
60 %
Side Slope
30 %
Vertical Setp
0.7 m
Trench
3 m
Time to dig Trench
20-40 min
Fording Depth
1 m
Suspension
Torsion bar
Communications
Primary Radio
R-123 radio set
Intercom
R-124 intercom
Data Terminal
Yes
Main Gun
System
Name
152.4mm D-22 howitzer L/27
Type
152 mm howitzer mm
Breech Type
INA
Length, Barrel
5.195 m
Loader Type
semi-automatic
Max Rate of Fire
3-4 rds/min
Sustain Rate of Fire
1 rds/min
Rapid Fire
4 rds/min
Breech Type
semi-automatic vertical wedge breechblock and an ejector rds/min
Muzzle Brake Type
double-baffle muzzle brake,
Max Elevation
+60 deg
Min Elevation
-4 deg
Traverse Range
360 deg
Loading Carousel
Yes, which makes the weapon fire faster than the S23 Akatsiya (M1973)
Bore Evacuator
Yes, Behind the muzzle brake
Fume Extractor
Yes
Traveling Lock
Gun barrel traveling lock
Ammunition (Option 1)
Type
OF-540 HE-Frag
Caliber
152 mm
Muzzle Velocity
655 m/s
Fuse Type
RGM-2 fuze
Maximum Effective Range
20,550 m
Projectile Weight
43.56 kg
Warhead Weight
7.76 kg
Maximum Range
18.5 km
Basic Load
40 Total, any combination of Russian 152mm Projectiles
Ammunition (Option 2)
Type
OF-25 HE-Frag
Caliber
152 mm
Maximum Range
23,900 m
Projectile Weight
43.56 kg
Basic Load
40 Total, any combination of Russian 152mm Projectiles
Note
The 2S3 Akatsiya can fire the following 152mm Projectiles:
BP-540 HEAT-FS (sight distance is 3 km, 250 mm armor penetration), Br-540B and Br-540 AP-T (115–120 mm armor penetration at a 1000 m), OF-38 Krasnopol laser-guided rocket-assisted projectiles, S1 illuminating, ZH3 smoke, nuclear projectiles (with explosive capacity of 2 kt). Secondary armament consists of a remotely controlled 7.62 mm PKT tank machine gun on commander's cupola for anti-aircraft defence and self-defence at close range.
Coaxial Weapon System
System
Name
1 x 7.62mm PK (Kalashnikov's Machine Gun) General-Purpose Machine Gun
Type
General-Purpose Machine Gun mm
Caliber
7.62 mm
Max Rate of Fire
650 rds/min
Function
In use as a front-line infantry and vehicle-mounted weapon with Russia's armed forces.
In Service
1961-present
Manufacturer
Degtyaryov plant
Proliferation
1 Million +
Weight (Gun Only)
9 kg
Weight (Tripod Only)
7.7 kg
Length (Overall)
1,203 mm
Length (Barrel)
605 mm
Action
Gas-operated, open bolt
Feed System
Non-disintegrating metal 50 round belts in 100 and 200/250 round ammunition boxes
Sights
Iron Sights
Ammunition
Type
Rifle
Caliber
7.62 mm
Muzzle Velocity
825 m/s
Effective Range (Iron Sights)
100-1,000 m
Effective Range (With Sight Adjustments)
100-1,500 m
Maximum Firing Range
3,800 m
Basic Load
1,000 ea
Fire Control
Name
INA
Computerized FCS
Yes, automatic Fire Display
Thermal Sight Vehicle Commander
Yes, PG-4 sight and IP-5 sight
Thermal Sight Gunner
Yes, OP5-38 gunner's telescope
Main Gun Stabilization
INA
Indirect Fire
PG-4 Panoramic Telescope (PANTEL)
Direct Fire
OP 5-38
Collimator
K-1
Commander Cupola Range
360 deg
Searchlight
OU-3K infra-red/white light searchlight
Protection
Hull Armor
15 mm
Turret Armor
20 mm
Applique Armor
Available
Explosive Reactive Armor
No
Active Protection System
No
Mine Clearing
No
Self-Entrenching Blade
Yes
NBC Protection
Yes, Automatic CBRN defense system with filtration unit
Smoke Equipment
No
Fire Suppression System
Yes
Details
Country of Origin
Russia
Category
Self-Propelled Gun/Howitzer Artillery Systems
Land > Artillery > Self-Propelled Gun/Howitzer Artillery Systems
Filter Label
2
Classification
Domain
Ground
Equipment Status
Active
Dimensions
Length
9.48 m
Width
3.25 m
Height
3.05 m
Weight
27800 kg
Operators (2)
Russia
Georgia
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