Definition
The 2S25 Sprut‑SD is a Russian amphibious self‑propelled gun (SPG) designed to provide naval infantry and marine forces with a mobile artillery platform capable of engaging armored targets, fortified positions, and infantry both on land and in water.
Overview
Developed in the 1990s by the Chelyabinsk Mechanical Plant (ChMZ) in collaboration with the design bureau KB‑2M, the Sprut‑SD entered limited service with the Russian Navy’s Naval Infantry in the early 2000s. The system combines the firepower of a 125 mm smoothbore gun, similar to that used on Russian main battle tanks, with a lightweight tracked chassis derived from the BTR‑80 amphibious armored personnel carrier. Its amphibious capability allows it to cross water obstacles without preparation, making it suitable for amphibious assaults and riverine operations.
Etymology / Origin
The designation “2S25” follows the Russian military nomenclature for self‑propelled artillery, where “2S” denotes a tracked SPG series. “Sprut” (Russian: Спрут) translates literally as “octopus,” a name likely chosen to emphasize the vehicle’s amphibious nature and multi‑directional mobility. The suffix “‑SD” stands for “Samokhodnaya Dlya” (self‑propelled for) or more precisely “Samokhodnaya Armored System” (самоходная артиллерийская система) in Russian documentation.
Characteristics
| Feature | Details |
|---|---|
| Armament | Primary: 125 mm 2A46M smoothbore gun capable of firing APFSDS, HEAT, HE projectiles and 9M119 (Svir) guided missiles. Secondary: 7.62 mm PKT coaxial machine gun. |
| Ammunition Capacity | Approximately 40 ready‑to‑fire rounds (including a mix of kinetic and high‑explosive types). |
| Fire Control | Integrated fire‑control system with laser rangefinder, day/night sights, and ballistic computer; compatible with automatic gun loading mechanism. |
| Mobility | Chassis based on BTR‑80A tracked hull; road speed up to 65 km/h; amphibious propulsion via water jets providing ~8 km/h in water. |
| Crew | Four personnel: commander, driver, gunner, and loader (or automatic loader operator). |
| Protection | Aluminum alloy hull and turret providing protection against small‑arms fire and shell fragments; not intended to withstand direct hits from anti‑tank weapons. |
| Dimensions & Weight | Length (hull): ~7.5 m; width: ~2.9 m; height: ~2.3 m; combat weight ≈ 20 t. |
| Operational Use | Primarily employed by Russian Naval Infantry for amphibious assaults, river crossing support, and anti‑armor engagements; export customers, if any, have not been publicly confirmed. |
Related Topics
- 2A46 125 mm smoothbore gun – the main gun used on the Sprut‑SD and several Russian main battle tanks.
- BTR‑80 – the amphibious wheeled APC whose tracked variant forms the basis of the Sprut‑SD chassis.
- 2S19 Msta – a contemporary Russian self‑propelled howitzer, illustrating the broader family of SPGs.
- Russian Naval Infantry – the branch of the Russian Navy that operates amphibious armored vehicles such as the Sprut‑SD.
- 9M119 Svir missile – the laser‑guided anti‑tank missile compatible with the Sprut‑SD’s main gun.
Note: The above information reflects publicly available data from Russian defense publications, reputable defense analysis sources, and open‑source military literature.