| AS-90 | |
|---|---|
.jpg) AS-90 in Hertfordshire | |
| Type | Self-propelled howitzer |
| Place of origin | United Kingdom |
| Service history | |
| In service | 1992–present |
| Used by | See Operators |
| Wars | Iraq War
Russo-Ukrainian War |
| Production history | |
| Designed | 1982–1987 |
| Manufacturer | Vickers Shipbuilding and Engineering Limited |
| Produced | 1992–1995 |
| No. built | 179 |
| Variants | See Variants |
| Specifications | |
| Mass | 45 t (44 long tons; 50 short tons) |
| Length |
|
| Barrel length | 6.022 m (19 ft 9.1 in) L/39 |
| Width | 3.4 m (11 ft 2 in) |
| Height | 3 m (9 ft 10 in) |
| Crew | 5 |
| Calibre | 155 mm (6.1 in) |
| Barrels | L31 ordnance with double-baffle muzzle brake |
| Breech | Split-block |
| Recoil | 2 diametrically opposed buffers & 1 recuperator 800 mm (31 in) max length |
| Elevation | +1,244 mils (+70°) elevation -89 mils (-5°) depression |
| Traverse | 6,400 mils (360°) |
| Rate of fire |
|
| Effective firing range | 24.7 km (15.3 mi) standard ammunition |
| Armour | All-welded steel armour 17 mm (0.67 in) max thickness |
Main armament | BAE Systems' 155 mm L/39 (48 rounds) |
Secondary armament | 7.62 mm L7 Machine Gun |
| Engine | Cummins VTA-903T-660 14.8 L (900 cu in) V-8 diesel 490 kW (660 hp) at 2,800 rpm |
| Drive | Tracked |
| Transmission | ZF Friedrichshafen LSG 2000 Automatic 4F2R |
| Suspension | Hydropneumatic |
| Ground clearance | 410 mm (16 in) |
| Fuel capacity | 750 L (160 imp gal) |
Operational range | 370 km (230 mi) |
| Maximum speed | 55 km/h (34 mph) |
| References | Janes[1] |
The AS-90 ("Artillery System for the 1990s"), known officially as Gun Equipment 155 mm L131, is an armoured self-propelled artillery used by the British Army.
It can fire standard charges up to 24.7 km (15.3 mi) using 39-calibre long barrel and 30 km (19 mi) with 52-caliber long barrel.[2] The maximum rate of fire is 3 rounds in 10 seconds (burst); 6 per minute for 3 minutes (intense); and 2 per minute for 60 minutes (sustained).