Chieftain / Shir
Summary
| Origin country | 🇬🇧 United Kingdom | 
| Category | Main Battle Tank | 
| Sub-type | Heavy Main Battle Tank | 
| Manufacturer | Royal Ordnance Factory | 
| Number built | 1056 units | 
Technical specifications
| Crew | 4 personnels | 
| Range | 500 km | 
| Mass | 55.0 tons | 
| Height | 2.9 m (9.5 ft) | 
| Width | 3.5 m (11.5 ft) | 
| Length | 9.99 m (32.8 ft) | 
| Max. speed | 48 km/h (30 mph) | 
| Engine | Leyland L60 Diesel Engine with 750 hp | 
| Weapon 1 | 1 L11A5 120mm rifled barrel gun | 
| Weapon 2 | 1 L8A1 7.62mm coaxial machine gun | 
| Weapon 3 | 1 7.62mm L8A1 machine gun | 
Historical operators
  Wikipedia and other open sources.