2S3 Akatsiya - Variants

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 2A33M. 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 and a satellite navigational system and armed with a new 155 mm M-385 howitzer. Developed in 2000.