2S7 203-mm Self-Propelled Gun - Specifications
| years of production | 2S7 - from 1975 to 1985; 2S7M - from 1986 to 1990 | |||||||||
| Years of operation | from 1975 | |||||||||
| Number of issued, units | more than 500 | |||||||||
| Weight | 46 tons | 47 tons (with a full combat kit) | ||||||||
| Crew | 7 | 6 people on the self-propelled vehicle, + 6 other people on attached vehicle | ||||||||
| Chassis |
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Survivability | ||||||||||
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| Armor |
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Mobility | ||||||||||
| Engine type | B-46-1 | V-12 cylinder, V-84 diesel | ||||||||
| Engine power, l. s | 780 hp | 840 hp | ||||||||
| Specific power, l. s / t | 17.25 | |||||||||
| speed, road (kph) | 50 | 55 km / h (maximum on the highway) | ||||||||
| off road | 0 | |||||||||
| swim (kph) | 5 | |||||||||
| emplace combat deployment | 5-6 | 7 minutes | ||||||||
| displace time (min) | 3-5 | 5 minutes | ||||||||
| road range | 650-675 | |||||||||
| trench crossing (m) | 2.5 | |||||||||
| vertical step (m) | 1 | |||||||||
| grade (degrees) | 22 | |||||||||
| side slope (degrees) | 12 | |||||||||
| ground clearance (mm) | 400 | |||||||||
| fording | 1.2 | |||||||||
Lethality | ||||||||||
| gun | 203 mm, rifled 2A44 | |||||||||
| gun range, conventional (km) | 37.5 | 37.5 km w/ conventional shells | ||||||||
| extended range | 55 | 47.5 km w/ active rocket | ||||||||
| elevation (degrees) | 0 to 60 | |||||||||
| traverse (degrees) | 30 | |||||||||
| rate of fire (rpm) maximum | 2.5 | 2 rounds per minute | ||||||||
| sustained | 1.5 | |||||||||
| ammunition type | concrete piercing HE HE-Frag HE-RAP DPICM | |||||||||
| special charges [spetszaryadov] |
| basic load | 8 | 4 shots (ammunition is measured in shots, not shells) + 4 rounds of ammunition on attached vehicle additional armament | | 1 machine gun 12.7 mm.
| remarks | Self-entrenching. | | ||
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