M-1978 Koksan
| M-1978 Koksan 주체포 (Korean) | |
|---|---|
A North Korean M-1989 version of Koksan photographed in North Korea in 2013. | |
| Type | Self-propelled artillery |
| Place of origin | North Korea |
| Service history | |
| In service | 1978–present |
| Used by | See operators |
| Wars | Iran–Iraq War Russian Invasion of Ukraine |
| Production history | |
| Manufacturer | Second Economic Comittee |
| Variants | See variants |
| Specifications (M-1978 Koksan) | |
| Mass | 40,000 kg (88,000 lb) |
| Length | 14.9 m (49 ft) |
| Width | 3.27 m (10.7 ft) |
| Height | 3.1 m (10 ft) |
| Crew | 4, up to 6 (presumed) |
| Caliber | 170 mm (6.7 in) L/66 |
| Recoil | Hydraulic |
| Rate of fire | ~1−2 rounds per 5 minutes |
| Effective firing range | 40–50 km (25–31 mi) (est.) |
| Maximum firing range | 60 km (37 mi) (with RAP round) |
| Armor | Steel |
Main armament | 1× 170 mm (6.7 in) rifled gun |
| Engine | Diesel 520 hp (390 kW) |
| Suspension | torsion bar |
Operational range | 250–350 km (160–220 mi) (road) |
| Maximum speed | 30–40 km/h (19–25 mph) |
| References | |
| M-1978 Koksan | |
| Hangul | 주체포 |
|---|---|
| Hanja | |
| Revised Romanization | Juchepo |
| McCune–Reischauer | Chuch'ep'o |
M-1978 Koksan (Korean: M-1978 곡산; Hanja: M-1978 谷山), a name used by US military analysts, known by its makers as the Chuch'ep'o (Juche Cannon; Korean: 주체포; Hanja: 主體砲), is a North Korean self-propelled 170 mm (6.7 in) gun based on the Type 59 tank chassis.
Some guns were exported to Middle Eastern countries in the late 1980s and used during the Iran-Iraq War. The M-1989 Koksan variant has seen use in the Kursk offensive (2024–present).