page_title: 2S25 Sprut-SD
section_title: Mobility
hierarchical_section_title: 2S25 Sprut-SD / Description / Mobility
caption_attribution_description: Русский: 2С25 Спрут-СД (2S25 Sprut-SD)
context_page_description: The 2S25 Sprut-SD is a self-propelled tank destroyer or light tank developed and manufactured by the Russian defence company, Volgograd Tractor Plant joint stock company, to meet the requirements of the VDV. In mid-2001, the Volgograd tractor plant revealed that the development of the 2S25 had lasted several years.
  The Sprut-SD is designed to defeat tanks, hard-skinned material and enemy manpower by airborne and amphibious landing forces, as well as by specially designated units of ground forces. Its main armament, the 2A75, is capable of firing APFSDS, HE-Frag, HEAT and ATGM ammunition. This allows the 2S25 to be as powerful as a main battle tank and as maneuverable and amphibious as airborne infantry combat vehicles. The 2S25 can be used by units of ground forces and naval infantry as a light amphibious tank. Currently, the only operators of the 2S25 are the Russian airborne troops with 24 of these vehicles in service. The Republic of Korea and the Indian military have expressed interest in acquiring the 2S25 Sprut-SD.
context_section_description: The weight of the 2S25 is 18 tonnes, which is comparable to that of infantry fighting vehicles. Like the BMD-3, the 2S25 features hydropneumatic suspension with a variable height clearance of 190–590 mm, which can be altered within 6–7 seconds to reduce visibility. Hydropneumatic suspension provides high smoothness while driving and dampens recoil of the main gun. Suspension on each side consists of seven single rollers, four support rollers, rear wheel drive and a front-mounted steering wheel. There are hydraulic track adjusters in assistance for greater mobility. In the engine-transmission compartment, multi-fuel diesel engine 2V-06-2S installed, which develops a power of 510 hp (380 kW). It features an automatic transmission that has five gears forward and five gears reverse.
  While driving, the 2S25 can reach a top speed of 71 kilometres per hour (44 mph) on an even road; the average speed being 45−50 km/h (28-31 mph) when driving off-road. The vehicle exerts a ground pressure of 0.36 to 0.53 kg/cm² depending on the type of tracks. It can overcome vertical obstacles as tall as 0.8 metres (2.6 ft) and cross 2.8 metres (9.2 ft) trenches. Like many other Russian armored fighting vehicles, the Sprut-SD is completely amphibious and moves with the help of two water jets that allow it to reach a speed of 8–10 km/h depending on the state of the currents. To increase the buoyancy, wheels are equipped with airtight chambers and powerful water pumps; extracting water from the lower chassis. The vehicle is sea worthy and can cross water obstacles without preparation in a sea state of up to 3. While waterborne, the 2S25 retains the capability of firing the gun within a ±35° sector towards the front of the chassis.
caption: As of September 2013, the only operators of the 2S25 are the Russian airborne troops.
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