Sturmgeschütz 21cm Assault Tank

The Sturmgeschütz 21cm was a German direct fire mortar mounted on a Tiger (P) chassis. The vehicle was never built.
Variants:
1.
Name: Sturmgeschütz 21cm
Type: Assault Tank
Origin: Germany
Year: 1942
Produced: 0

Length: 6.97 Meters
Width: 3.38 Meters
Height: 2.97 Meters
Weight: ~65000 Kilograms
Speed: 30 km/h (10 km/h off road)

Crew: ???

Primary Armament:
-210 mm Granatenwerfer 69
Secondary Armament:
-7.92 mm MG34

Gun Flexibility: °

Armor:
-Hull
200 mm Front
80 mm Upper Side 60 mm Lower Side
80 mm Rear
30 mm Top
30 mm Bottom
-Upper Structure
200 mm Front (110 +25 mm Gun Shield)
80 mm Side
80 mm Rear
30 mm Top

Sources:

http://ftr-wot.blogspot.cz/2013/04/sorting-out-210mm-ferdinand.html