Crusader AA Self Propelled Anti-Aircraft

The Crusader AA was an anti-aircraft tank built on the chassis of the Crusader. Three variants were made.

Variants:
1. 
Name: Crusader AA Mk. I
Type: Anti-Aircraft Tank
Origin: United Kingdom
Year: 1941
Produced: 150

Length: 6 Meters
Width: 2.6 Meters
Height: ???
Weight: 18000 Kilograms
Speed: 42 km/h

Crew: 3

Primary Armament:
-40 mm Bofors
Secondary Armament:
-None

Armor:
-Hull
30 mm Front
28 mm Side
28 mm Rear
7 mm Top
10 mm Bottom
-Turret
-25 mm Front
-25 mm Side
-25 mm Rear
7 mm Top

2.
Name: Crusader AA Mk. II
Type: Anti-Aircraft Tank
Origin: United Kingdom
Year: 1941
Produced: 600 (Shared with Mk. III)

Length: 6 Meters
Width: 2.6 Meters
Height: 2.5 Meters
Weight: 18000 Kilograms
Speed: 45 km/h

Crew: 4

Primary Armament:
-20 mm Oerlikon(2)

Secondary Armament:
-7.7 mm Vickers

Armor:
-Hull
30 mm Front
28 mm Side
28 mm Rear
7 mm Top
10 mm Botto
-Turret
25 mm Front
25 mm Side
25 mm Rear
7 mm Top

3.
Name: Crusader AA Mk. III
Type: Anti-Aircraft Tank
Origin: United Kingdom
Year: 1941
Produced: 600 (Shared with Mk. II)

Length: 6 Meters
Width: 2.6 Meters
Height: 2.5 Meters
Weight: 18000 Kilograms
Speed: 45 km/h

Crew: 4

Primary Armament:
-20 mm Oerlikon(2)
Secondary Armament:
-7.7 mm Vickers

Armor:
-Hull
30 mm Front
28 mm Side
28 mm Rear
7 mm Top
10 mm Bottom
-Turret
25 mm Front
25 mm Side
25 mm Rear
7 mm Top

Sources:
http://www.aviarmor.net/tww2/tanks/gb/cruiser_a15aa_mk1.htm
http://www.aviarmor.net/tww2/tanks/gb/cruiser_a15aa_mk2.htm
http://www.tanks-encyclopedia.com/ww2/gb/Cruiser-MkVI_Crusader.php