| D-20 | |
|---|---|
 | |
| Type | Towed howitzer |
| Place of origin | Soviet Union |
| Service history | |
| Used by | Soviet Union, many others |
| Wars | |
| Production history | |
| Designer | Petrov Artillery Design Bureau |
| Designed | 1947 |
| Manufacturer | Artillery Plant Number 9, Yekaterinburg |
| Specifications | |
| Mass | 5.7 t (5.6 long tons; 6.3 short tons) |
| Length | 8.69 m (28 ft 6 in) |
| Barrel length | 5.195 m (20 ft) L/34 (with muzzle brake) |
| Width | 2.35 m (7 ft 9 in) |
| Height | 1.93 m (6 ft 4 in) |
| Crew | 8 |
| Shell | 152.4 x 547.5 mm R Separate loading charge and projectile[1] |
| Caliber | 152.4 mm (6.00 in) |
| Breech | Vertical semi-automatic sliding-wedge |
| Recoil | Hydraulic buffer and hydro-pneumatic recuperator |
| Carriage | Split trail |
| Elevation | -5° to 45° |
| Traverse | 58° |
| Rate of fire | Burst: 5–6 rpm Sustained: 1 rpm |
| Muzzle velocity | 650 m/s (2,100 ft/s) |
| Effective firing range | 17.4 km (10.8 mi) |
| Maximum firing range | 24 km (15 mi) (rocket-assisted projectile) |
| Sights | PG1M indirect sight and OP4M direct fire sight |
The 152 mm gun-howitzer M1955, also known as the D-20, (Russian: 152-мм пушка-гаубица Д-20 обр. 1955 г.) is a manually loaded, towed 152 mm gun-howitzer artillery piece, manufactured in the Soviet Union during the 1950s. It was first observed by the West in 1955, at which time it was designated the M1955. Its GRAU index is 52-P-546.[2]
- ^ Foss, Christopher (1977). Jane's Pocket Book of Towed Artillery. New York: Collier. p. 113. ISBN 0020806000. OCLC 911907988.
- ^ "Пушки" [Guns]. Archived from the original on 31 March 2012. Retrieved 29 August 2011.