German cross

Germany's Grosstraktor 1, Grosstraktor I, Grosstraktor II

Photos

Design

The Grosstraktor I was designed by Ferdinand Porsche.4

Prototype

Production

  • Grosstraktor 1: 24
    • Manufacturer:
      • Rheinmetall-Borsig: 22
      • Krupp, 1928-1929: 22
      • Daimler-Benz4, 1929-1930: 22
  • Grosstraktor II:
    • Manufacturer: Rheinmetall-Borsig4

Variants

  • Grosstraktor I: Had screws for water propultion.4
  • Grosstraktor II:

Usage

Specifications

  Grosstraktor 1, Grosstraktor I Grosstraktor II
Crew 61,2  
Physical Characteristics    
Weight 15.75-17.7 tons1
16,000-18,000 kg1
19.32 tons2
21 tons4
Length w/gun 21' 9.8"1
6.6 m2, 6.65 m1
 
Length w/o gun    
Height 8' 0.45"1
2.3 m2, 2.45 m1
 
Width 9' 1.5"1
2.78 m1, 2.81 m2
 
Ground clearance    
Ground contact length    
Ground pressure    
Turret ring diameter    
Armament    
Main 75 mm1,3,4 or 105 mm1
75 mm KwK L/242
 
Secondary    
MG 3: 7.62 mm MG1
3: 7.92 mm sMG2
3: MG3,4
 
OR 4: MG4  
Side arms    
Quantity    
Main 1042  
Secondary    
MG 6,0002  
Side arms    
Armor Thickness (mm) 132, 141  
Hull Front, Upper    
Hull Front, Lower    
Hull Sides, Upper    
Hull Sides, Lower    
Hull Rear    
Hull Top    
Hull Bottom    
Turret Front    
Turret Sides    
Turret Rear    
Turret Top    
Engine (Make / Model) BMW Va2  
Cylinders 62  
Net HP 2502, 3001,3  
Transmission 6 forward, 2 reverse.2  
Fuel type Gasoline1,3  
Octane    
Capacity 31.2 L  
Performance    
Traverse 360°, hand.2  
Speed - Road 24.85 mph1
40 kph1,2
12 mph4
Speed - Cross Country    
Range - Road 150 km2  
Range - Cross Country    
Turning radius    
Elevation limits -12° to +60°2  
Fording depth    
Trench crossing    
Vertical obstacle    
Suspension (Type)    
Wheels each side    
Return rollers each side    
Track length    
Tires    
Track width    
Track centers/tread    

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
  3. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  4. German Tanks and Armoured Vehicles 1914 - 1945, B. T. White, 1966