Engineering:Type 60 81 mm self-propelled mortar
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| Type 60 81 mm self-propelled mortar | |
|---|---|
 Type 60 81 mm self-propelled mortar on outdoor display | |
| Type | Mortar carrier |
| Place of origin | Japan |
| Service history | |
| In service | 1960 – 2008 |
| Used by | Japan |
| Production history | |
| Designed | 1958 |
| Manufacturer | Mitsubishi Heavy Industries |
| Produced | 1960 |
| No. built | 18 |
| Variants | 2 |
| Specifications | |
| Mass | 12.1 tonnes (13.3 short tons) |
| Length | 4.85 metres (15.9 ft) |
| Width | 2.40 metres (7.9 ft) |
| Height | 1.70 metres (5.6 ft) |
| Crew | 5 |
| Shell | 24 (100 stored) |
| Calibre | 81 millimetres (3.2 in) |
| Action | 18rpm |
| Elevation | +40° to +85°, manual |
| Traverse | Fires to the rear arc of the vehicle |
| Muzzle velocity | 210m/s (700ft/s) |
| Effective firing range | 3000m (3,300yd) |
| Maximum firing range | 3000m (3,300yd) |
| Armour | aluminum alloy |
Main armament | 1x M1 81mm mortar |
Secondary armament | 1x M2HB 12.7 mm machine gun |
| Engine | Mitsubishi 8HA21WT 8-cylinder diesel 220 horsepower (220 PS) |
| Transmission | Manual |
| Suspension | torsion bar |
| Ground clearance | 0.4m |
| Fuel capacity | 250L |
Operational range | 230 kilometres (140 mi) |
| Speed | 43 kilometres per hour (27 mph) |
The Type 60 81 mm self-propelled mortar (60式自走81mm迫撃砲, roku-maru-shiki-jisou-81mm-hakugeki-hou) was a Japan Ground Self-Defense Force (JGSDF) tracked armored mortar carrier that based on JGSDF Type 60 armoured personnel carrier SU-II. The vehicle along with a parallel development of Type 60 107 mm self-propelled mortar. Its official abbreviation is 81MSP and also known as SV in the service. The vehicle had been phased out, with Type 60 107 mm self-propelled mortar since mid-to-late 1990s.[1]
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