Iran •
Raad-1 ('Thunder') – Iranian variant based on the hull of the
Boragh APC.
Myanmar •
2S1U – In March 2019, a Ukrainian company, the Great Export Import Company, and the Myanmar military have signed a joint-venture agreement to build a plant capable of manufacturing armored personnel carriers (APCs) and self-propelled howitzers. The types of APCs that will be made in the plant are said to be eight-wheeled BTR-4Us while the howitzers will be 2S1Us, which are based on the MT-LBu multipurpose chassis.
Poland The 2S1 Gvozdika, and other related vehicles such as the
MT-LB and
Opal, were produced in Poland by
Huta Stalowa Wola under the name 2S1 Goździk. • '
2S1M Goździk''''' – Version with special amphibious kit that increases the vehicle's amphibious capabilities. • '
2S1T Goździk''''' – Version with a TOPAZ digital fire control system from
WB Electronics. The system consists of a FONET-IP digital intercom system, new digital radio, military GPS receiver, military computer and dedicated software. The same system is used on other Polish Armed Forces artillery systems like the
AHS Krab,
Dana-T and
WR-40 Langusta.
Romania •
OAPR model 89 (
Obuzierul autopropulsat românesc, model 89) – Romanian variant combining the 2S1 Gvozdika's turret and a modified version of the
MLI-84's chassis. Designed around 1978, it was produced between 1987 and 1992. Also, it is simply known as
Model 89.
Russia •
2S34 Khosta – Modernisation of the 2S1 with the 122 mm
2A31 gun replaced by the 120 mm
2A80-1 gun-mortar. Further improvements include a new Malakhit
fire control system, a battlefield observation system and the ability to fire the
Kitolov-2M guided ammunition. One unit, the
21st Guards Motor Rifle Brigade in
Totskoye, is currently being equipped with the system.
Serbia •
2S1 modernized - The modernization is being carried out on the basis of the 122 mm towed howitzer of the Serbian modernization program. Project "SORA 122mm" and NORA B-52. Where the truck platform was abandoned, which was used by the prototype version of the "SORA 122mm" system in favor of a much better, crawler platform 2S1 Gvozdika system. The action was made possible by two new projectiles and an increased range of about 40% from . A new ballistic computer and fire control system make it much faster to prepare for action. There is also a new inertial navigation system, GPRS, as well as the possibility of action, multiple projectiles in one point, MRSI. Thus, it was achieved that with one 2S1 Gvozdika system, in the system of MRSI action in one point, 6 projectiles can be fired in one minute; the modernized 2S1 Gvozdika is much improved. For better defense, a turret with a 12.7 mm machine gun was added. In 2021, the first modernized 2S1 Gvozdika system battery was introduced in service with the Serbian Army.
Soviet Union •
2S15 Norov – A prototype tank destroyer equipped with a radar-based fire control system and a 100 mm gun. •
UR-77 Meteorit – Mine clearing vehicle with launcher for
mine-clearing line charges.
Ukraine •
Kevlar-E –
Infantry fighting vehicle based on the 2S1 platform, equipped with Shturm
remote weapon station and room for 6 passengers in addition to the 3 crew. The original V8 diesel engine has been replaced with a diesel engine produced by
Caterpillar,
Cummins or
Deutz, increasing the maximum road speed to . The vehicle is amphibious and has air conditioning, a fire detection and suppression system, an
NBC system, navigation system, and night-vision equipment. The variant was first introduced in April 2018. The prototype has been fighting in the
Russian invasion of Ukraine. • On January 21, 2025, the
Danish Ministry of Defense quietly added the 2S1 Gvozdika 122mm self-propelled howitzer to its list of military donations to Ukraine. The quantity remains unspecified, and the origin of these systems has not been disclosed.
Vietnam •
PTH-01 – 2025 version of the 2S1 by the
Vietnam Defence Industry == Operators ==