Stridsvagn 81 Medium Tank

The Stridsvagn 81 was a tank purchase of the Centurion III in 1953 by Sweden. The AMX 13 was originally considered. The tank was later upgraded to the Stridsvagn 102.
Variants:

1.
Name: Stridsvagn 81
Type: Medium Tank
Origin: Sweden
Year: 1953
Produced: 241

Length: 7.55 Meters
Width: 3.37 Meters
Height: 2.94 Meters
Weight: 50,000 Kilograms
Speed: 35 km/h

Crew: 4

Primary Armament:
-84 mm 20-Pounder
Secondary Armament:
-7.62 mm Ksp (2)

Gun Flexibility: ???°

Armor:
-Hull
120 mm Front (76 mm Lower Plate)
51 mm Side (6 mm Skirt)
32 mm Rear
29 mm Top
17 mm Bottom
-Turret
138 mm Front (152 mm Gun Shield)
89 mm Side
89 mm Rear
38 mm Top

Sources:

http://ftr.wot-news.com/2014/07/23/swedish-tanks-part-xiv-strv-81/

http://www.sphf.se/Axvall/81-105.htm

http://www.ointres.se/strv_81_101_102_104_centurion.htm

http://tanknutdave.com/the-swedish-centurion-series-aka-strv/