Code | Date | Description |
A.1. | 1926 | "Independent" Vickers, 29 tons |
A.2.E.1. | 1924 | Medium Tank Vickers Mk I |
A.3.E.2 | 1925 | 3 Man Tank |
A.4. | 1929 | Vickers "Carden-Loyd" light tank |
A.5. | 1928 | Vickers "Carden-Loyd" 3 man light tank, 5 tons |
A.6.E1-E3 | 1928 | Experimental 16 ton tanks, pilots of Medium Mk.III, designed by Vickers Armstrongs |
A.7.E1-E3 | 1929-37 | Experimental Medium Tanks, 14-18 tons, 14mm Armour, built by R.O.F. Woolwich |
A.8. | 1934-7 | Experimental Medium Tank, Vickers, 17.5 tons - never completed |
A.9. | 1935 | Cruiser Tank Mk.I |
A.10. | 1935-38 | Cruiser Tank Mk.II |
A.11 | 1936-38 | Infantry Tank Mk.I (Matilda) |
A.12 | 1939 | Infantry Tank Mk.II (Matilda II) |
A.13.Mk I | 1937 | Cruiser Tank Mk.III |
A.13.Mk II | 1937 | Cruiser Tank Mk.IV |
A.13.Mk.III | 1937 | Cruiser Tank Mk.V (Covenanter) |
A.14. | 1938 | Heavy Cruiser, 30mm armour, 23 tons |
A.15. | 1938-1940 | Cruiser Tank Mk.VI.(Crusader) |
A.16. | 1938 | Development of A.13 as Heavy Cruiser, armour 25mm, 18-21 tons. |
A.17 | 1939 | Light Tank Mk.VII (Tetrarch) |
A.18. | 1939 | Cruiser based on A.17, abandoned, turret used for later cruisers |
A.19. | 1939 | Cruiser tank with auxiliary turrets on top of main turret |
A.20 | 1940 | "Shelled area Infantry tank", designed by Mech Board and Harland & Wolf, 80mm armour, 35 tons |
A.21 | 1940? | Development of A.20, schematic drawings only |
A.22. | 1940/41 | Infantry Tank Mk.IV. (Churchill) |
A.23. | ? | Lighter version of A.22, sketch stage only |
A.24. | 1941 | Cruiser Tank Mk.VII (Cavalier) |
A.25. | 1941 | Light Tank Mk. VIII (Harry Hopkins) |
A.26. | ? | Lighter and faster version of A.22. |
A.27. | 1941/42 | Cruiser Tank Mk.VIII (Cromwell) |
A.28 | 1941 | Cromwell with increased armour and skirting plates, 28 tons. Designed by Rolls Royce, abandoned at paper stage. |
A.29 | ? | Large Cruiser to carry 17pdr, 45 tons, twin track with Cromwell engine compartment. Abandoned at paper stage in favour of A.30. Designed by Rolls Royce. |
A.30 | 1941-43 | Challenger |
A.31 | ? | Cromwell with heavier armour, 32 tons, abandoned at paper stage, Rolls Royce design. |
A.32 | ? | Cromwell with A.22 armour standard, new suspension, 34.5 tons, abandoned at paper stage, Rolls Royce design |
A.33. | 1942-3 | Assault tank, 40 tons, 6pdr gun and heavy armour. Built by English Electric Co, Meteor engine. "Excelsior" |
A.34. | 1942-44 | Comet |
A.35. | ? | Heavy version of Cromwell, increased armour and stronger suspension, 36 tons. Design by L.M.S. Rly and Rolls Royce |
A.36. | ? | Heavy version of A.30 with increased armour and stronger suspension. 41.5 tons, never passed paper stage. |
A.37. | ? | Heavier version of A.33 with extra suspension bogie per side, longer hull, 17pdr gun. 52 tons, never past paper stage, design by English Electric and Rolls Royce |
A.38. | 1944 | Valiant I/II, 27 tons, 6pdr/75mm gun, designs by Vickers, Rolls Royce |
A.39. | 1942-46 | Tortoise Heavy Assault Tank, 32pdr, 75 tons. |
A.40. | ? | Heavier version of A.30, 4" frontal armour, 17pdr, 35.5 tons |
A.41. | 1943- | Centurion Tank |
A.43. | ? | "Black Prince" super Churchill, 152mm frontal armour, 17pdr gun, 50 tons |
A.44 | ? | A.34. with 57.2" turret ring, 17pdr gun |