Model Variants (Including Prototypes)
2S1 "Gvozdika" (Carnation) - Base Series Designation.
M1974 - Western Designation of the 2S1 Series
SAU-122 - Alternative Soviet/Russian Designation
UR-77 "Meteorit" - Mine-Clearer
M1979 - Mine-Clearing Vehicle
RKhM "Kashalot" (ATV M1979/4) - Chemical Reconnaissance Vehicle
RKhM-K - Command Variant of the RKhM
2S34 "Chosta" - Modernized 2S1; fitting 120mm 2S80 series main gun with guided munitions support; revised fire control system.
2A1M "Gozdzik" - Polish Variant; improved amphibious capabilities
2S1T "Gozdzik" - Polish Variant; fitted with TOPAZ digital fire control system.
Rak - Polish 120mm Mortar Carrier
LPG - Polish Armored Personnel Carrier based on the chassis of the 2S1.
Model 89 - Romanian Designation of 2S1; revised hull design.
Raad-1 "Thunder" - Iranian Variant
BMP-23 - Bulgarian Variant; infantry fighting vehicle type; fitted with 23mm autocannon and support for guided anti-tank missiles in special two-man turret.
BMP-23D - Bulgarian Variant; fitted with smoke grenade dischargers; support for 9K111 guided missiles.
BRM-23 - Bulgarian Variant; Reconnaissance Version
BMP-30 - Bulgarian Variant; BMP-2 style turret; limited production.
Abu Fatma - Sudanese license-production variant
122 PsH 74 - Finnish Designation