Centurion Mk 1 - A41, 17pdr (76.2 mm) gun. Six vehicles were sent to 5th Royal Inniskilling Dragoon Guards, 22nd Armoured Brigade at Gribbohm, in Germany, May 1945.
Centurion Mk 2 - A41A, Up-armoured hull, fully cast turret, new commander's cupola, co-axial Besa machine gun, gunner's sighting periscope replacing sighting telescope, main gun armament stabilised in azimuth and elevation.
Centurion Mk 3 - 20pdr (84 mm) gun, slightly shorter hull, 2 stowage positions for track links on glacis. Fitted with a two-inch (51 mm) mortar, loaded and fired from within the turret.
Centurion Mk 5 - 20pdr (84 mm) gun, Browning machine guns fitted to coaxial and commander's cupola mounts, turret rear escape door deleted, turret roof reshaped, extra stowage bin on glacis, addition of guide roller in track run.
Centurion Mk 5/1 - FV 4011. 20pdr (84 mm) gun, increased glacis armour, two coaxial machine guns: one .30 (7.62 mm) Browning & one .50 (12.7 mm) caliber Browning.
Centurion Mk 5/2 - 105 mm gun
Centurion Mk 6 - 105 mm gun and uparmoured Mk 5
Centurion Mk 6/1 - Mk 6 fitted with IR equipment
Centurion Mk 6/2 - Mk 6/1 fitted with ranging gun
Stridsvagn 81 - Swedish Army designation for both the initial 80 Centurion Mk 3 (20pdr 84mm gun) and 160 Centurion Mk 5 (20pdr 84mm gun) purchased in 1955, all with Imperial instrumentation, Swedish radios, etc.
Stridsvagn 102 - Swedish Army designation for upgrading Stridsvagn 81 (Centurions Mk 3 & Mk 5) to 105 mm main gun in 1964–1966.
Stridsvagn 104 - Swedish Army designation for upgrading 80 Stridsvagn 102 (Centurions Mk 3 & Mk 5 + 105 mm main gun) to Sho't Kal Alef standard, consisting of a Continental diesel and an automatic gearbox from Allison.