| Year | December 1941 |
| Vehicle Type | Heavy Infantry Tank |
| Origin & Designer | Britain/Various |
| Numbers Produced | 675 |
| Crew | 5 (Commander, Gunner, Loader Hull Gunner & Driver) |
| Main Armament | 1 x OQF 6 pdr L/43 Mk. V Gun |
| Main Armament | [@sponson_traverse] |
| Elevation | -12.5° 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. 54 ML Mk. I |
| Secondary Armament | 1 x 7.92mm Besa Machine Gun (Coaxial). 1 x 7.92mm Besa Machine Gun (Bow). 1 x .303 Bren Machine Gun (AA Mount). |
| Smoke Discharger | 2 x 2in Smoke Mortars |
| Ammunition Carried | 84 x 57mm + 9.450 x 7.92mm & 600 x .303 + 30 x Smoke Rounds |
| Height | 2.45m |
| Width | 3.25m |
| Length | 7.35m |
| Combat Weight | 39.574m |
| Ground Clearance | 0.51m |
| Fording Depth | 0.91m |
| Trench Crossing | 3.0m |
| Obstacle Clearance | 1.13m |
| Climbing Ability | 34° |
| Radio | No. 19 Set |
| Armour | Hull Front: 89mm. Hull Sides: 76mm. Hull Rear: 50mm. Hull Top: 19mm. Hull Bottom: 16mm. Gun Mantle: 86mm. Turret Front: 86mm. Turret Sides: 76mm. Turret Rear: 76mm. Turret Top: 19mm. |
| Engine | Two Bedford Twin-Six (Petrol) |
| Transmission | 4 Forward & 1 Reverse |
| Maximum Road Range | 259 km |
| Maximum Cross Country Range | 154 km |
| Maximum Water Range | [@maximum_water_range] |
| Maximum Road Speed | 26 kph |
| Maximum Cross Country Speed | 13 kph |
| Maximum Water Speed | [@maximum_water_speed] |
| Variants | [@variants] |
| Notes | Major improvements over the Mk. II these included a new 6 pdr gun, welded turret and catwalks added to the upper tracks. |