| Vickers MBT Mk. 4 | |
|---|---|
| Type | Main battle tank |
| Place of origin | United Kingdom |
| Production history | |
| Unit cost | $1.39 million (1993)[1] |
| Specifications | |
| Mass | 43.6 t (Mk. 4) 47 t (Valiant) |
| Length | 7.51 m (24 ft 8 in) hull 10.62 m (34 ft 10 in) with gun forward |
| Width | 3.3 m (10 ft 10 in) 3.6 m (11 ft 10 in) with appliqué armour |
| Height | 2.48 m (8 ft 1.64 in) |
| Crew | 4 (commander, gunner, loader and driver) |
| Armour | Chobham |
Main armament | 105 mm L7A1 rifled gun (Mk. 4) 120 mm L11 rifled gun (Valiant) 120 mm Rh-120 smoothbore gun (proposed) |
Secondary armament | RSAF L8A2 7.62 mm coaxial machine gun (Mk. 4) McDonnell-Douglas Helicopter Co 7.62 mm EX-34 chain gun (Valiant) |
| Engine | GM Detroit Diesel 12V-71T and later Rolls-Royce CV12 TCA Condor 915 hp (682 kW) at 2,500 rpm 1,000 hp (750 kW) at 2,300 rpm |
| Power/weight | 20.9 hp/t–21.2 hp/t |
| Transmission | TN 12-1000 |
| Suspension | torsion bar |
| Ground clearance | 50 cm (1 ft 8 in) |
| Fuel capacity | 1,130 litres (249 imperial gallons; 299 US gallons) |
Operational range | 550 km (340 mi) |
| Maximum speed | 61.2 km/h (38.0 mph).[2] |
The Vickers Main Battle Tank Mk. 4 later known as the Vickers Valiant was a main battle tank developed as a private venture by British company Vickers for export. Its development began in 1976 and ended in January 1984. Although the Valiant did not enter production, its development provided valuable experience in the production of an aluminium-hulled, Chobham-armoured tank in the 40 tonnes weight range. A further development of its turret was later used for the Vickers Mk. 7 MBT.
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