Panzer 68 Main Battle Tank

The Panzer 68 was a Swiss main battle tank developed from Mk I to IV. The vehicle originally had many faults causing a scandal and forcing Rudolf Gnägi to resign. Variants include the Panzer 68/75 with a larger turret and the modernized Panzer 68/88 with the "Grosser Turm" turret which was larger.
Variants:
1.
Name: Panzer 68
Type: Main Battle Tank
Origin: Switzerland
Year: 1968
Produced: 220

Length: 9.5 Meters (with gun?)
Width: 3.14 Meters
Height: 2.72 Meters
Weight: 39700 Kilograms
Speed: 55 km/h (30 km/h off-road)

Crew: 4

Primary Armament:
-105 mm L7
Secondary Armament:
-7.5 mm Pz Mg 51/71 (2)

Gun Flexibility: °

Armor:
-Hull
120 mm Front
-Turret
120 mm Front

2.
Name: Panzer 68/75
Type: Main Battle Tank
Origin: Switzerland
Year: 1975
Produced: 170

Length: 9.5 Meters (with gun?)
Width: 3.14 Meters
Height: 2.72 Meters
Weight: 39700 Kilograms
Speed: 55 km/h (30 km/h off-road)

Crew: 4

Primary Armament:
-105 mm L7
Secondary Armament:
-7.5 mm Pz Mg 51/71 (2)

Gun Flexibility: °

Armor:
-Hull
120 mm Front
-Turret
120 mm Front

3.
Name: Panzer 68/88

Type: Main Battle Tank
Origin: Switzerland
Year: 1988
Produced: 195

Length: 9.5 Meters (with gun?)
Width: 3.14 Meters
Height: 2.72 Meters
Weight: 39700 Kilograms
Speed: 55 km/h (30 km/h off-road)

Crew: 4

Primary Armament:
-105 mm L7
Secondary Armament:
-7.5 mm Pz Mg 51/71 (2)

Gun Flexibility: °

Armor:
-Hull
120 mm Front
-Turret
120 mm Front

4.
Name: Panzer 68/2000
Type: Main Battle Tank
Origin: Switzerland
Year: 2000
Produced: 1

Length: 9.5 Meters (with gun?)
Width: 3.14 Meters
Height: 2.72 Meters
Weight: 39700 Kilograms
Speed: 55 km/h (30 km/h off-road)

Crew: 4

Primary Armament:
-120 mm Compact Tank Gun L/49
Secondary Armament:
-7.5 mm Pz Mg 51/71 (2)

Gun Flexibility: °

Armor:
-Hull
120 mm Front
-Turret
120 mm Front

Sources:
http://www.army-guide.com/eng/product1397.html
http://www.militaryfactory.com/armor/detail.asp?armor_id=668
http://www.globalsecurity.org/military/world/europe/pz-68.htm
http://www.tanks-encyclopedia.com/coldwar/Switzerland/Panzer-68.php