| 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 |