| Year | 1939 |
| Vehicle Type | Medium Tank |
| Origin & Designer | Britain/Nuffield |
| Numbers Produced | 65 |
| Crew | 4 (Commander, Gunner, Loader & Driver) |
| Main Armament | 1 x OQF 2 pdr L/52 Mk. I Gun |
| Main Armament | [@sponson_traverse] |
| Elevation | -15° to +20° |
| Turret Traverse | 360° (Powered) |
| Gun Traverse | [@gun_traverse] |
| Gun Mount | [@gun_mounts] |
| Maximum Range | [@maximum_range] |
| Armour Penetration | [@armour_penetration] |
| Gun Sight | No. 33 Mk. II S |
| Secondary Armament | 1 x .303in Vickers Machine Gun (Coaxial) |
| Smoke Discharger | [@smoke_discharger] |
| Ammunition Carried | 87 x 40mm & 3.750 x .303in Rounds |
| Height | 2.59m |
| Width | 2.54m |
| Length | 6.02m |
| Combat Weight | 14.220 kg |
| Ground Clearance | 0.41m |
| Fording Depth | 0.91m |
| Trench Crossing | 2.29m |
| Obstacle Clearance | 0.76m |
| Climbing Ability | 30° |
| Radio | No. 19 Set |
| Armour | Hull Front: 14mm. Hull Sides: 14mm. Hull Rear: 14mm. Hull Top: 6mm. Hull Bottom: 6mm. Gun Mantlet: 14mm. Turret Front: 14mm. Turret Sides: 14mm. Turret Rear: 14mm. Turret Top: 14mm. |
| Engine | Nuffield Liberty Mk I (Petrol) |
| Transmission | 4 Forward & 1 Reverse |
| Maximum Road Range | 140 km |
| Maximum Cross Country Range | [@maximum_cross_country_range] |
| Maximum Water Range | [@maximum_water_range] |
| Maximum Road Speed | 48 kph |
| Maximum Cross Country Speed | 23 kph |
| Maximum Water Speed | [@maximum_water_speed] |
| Variants | Close Support Variant with one 3.7in L/15 Mk IV Howitzer (40 x 3.7in Rounds) |
| Notes | The first British cruiser tank to feature Christie Suspension, which gave the A13 a good cross country performance and faster speeds then both the A9 and A10, but mechanically it suffered from the same problems as its predecessors. It was used in action in France, North Africa and Greece. |