German cross

Germany's SdKfz 9 schwerer Zugkraftwagen 18t half track

Photos

8.8cm Flak 37 (Sf) auf Zugkraftwagen 18t:
Germany's 8.8cm Flak 37 (Sf) auf Zugkraftwagen 18t
Imperial War Museum - MH9045
     

Design

The SdKfz 9 was the largest halftrack used during World War II.2 It was designed as a heavy recovery vehicle for tanks.2 Eventually an artillery tractor version was made.2 The tractor version was used to tow the heavy artillery and some heavy engineering equipment which included bridging equipment that was towed.2

Some of the heavy artillery towed:

  • 128 mm FlaK 40 (Luftwaffe anti-aircraft gun)2
  • Krupp 210 K 382
  • 240 mm K 3 (had to be towed in 5 loads)2

Prototype

The first prototypes appeared in 1936.2

Production

  • FM gr 1: 12
    • Production: 19362
  • SdKfz 9 schwerer Zugkraftwagen 18t:
    • Production: 1936 - 19442
    • Manufacturer: Famo Fahrzeugwerke und Motorwerke AG at Breslau2
  • 8.8cm Flak 37 (Sf) auf Zugkraftwagen 18t: 151
    • Production: 19401
    • Manufacturer: Krupp1, FAMO1

Variants

  • FM gr 1: Prototype.2
  • FM gr 2: Prototype.2 Had a bigger and more powerful engine installed.2
  • FM gr 3: Prototype.2 Had a bigger and more powerful engine installed.2
  • SdKfz 9 schwerer Zugkraftwagen 18t:
  • SdKfz 9/1 schwerer Zugkraftwagen 18t: Recovery model.2 There was a crane with a 13,228 lb / 6,000 kg lifting capacity.2
  • SdKfz 9/2 schwerer Zugkraftwagen 18t: Recovery model.2 Had a 22,046 lb / 10,000 kg capacity crane, outrigger legs, and an extra jib that would suspend a counter weight.2 These could handle tanks up to PzKpfw IVs by themselves.2 They were used as pairs when trying to recover Tigers.2
  • 8.8cm Flak 37 (Sf) auf Zugkraftwagen 18t: Had a 88 FlaK 37 gun mounted on the rear with a platform and outrigger arms to stabilize the vehicle.2

Usage

Specifications

  SdKfz 9 8.8cm Flak 37 (Sf) auf Zugkraftwagen 18t,
88 mm FlaK18(Sfl)
Crew 92 91
Physical Characteristics    
Weight 39,683 lb2
18,000 kg2
25 tons1
Weight - empty 15,130 kg3  
Weight - loaded 18,0003  
Length w/gun 27' 0.8"2
8.25 m2,3
9.32 m1
Length w/o gun    
Height 9' 0.7"2
2.76 m2, 2.85 m3
3.67 m1
Width 8' 6"2
1.6 m2, 2.6 m3
2.65 m1
Ground clearance    
Ground contact length    
Ground pressure (psi)    
Turret ring diameter    
Armament    
Main   88 mm FlaK18 L/561
Secondary    
MG    
Side arms    
Quantity    
Main   401
Secondary    
MG    
Side arms    
Armor Thickness (mm)    
Hull Front, Upper   14.51
Hull Front, Lower    
Hull Sides, Upper   14.51
Hull Sides, Lower    
Hull Rear   81
Hull Top    
Hull Bottom    
Superstructure Front   14.51
Gun Shield: 10@10°1
Superstructure Sides   14.51
Superstructure Rear   81
Superstructure Top   Open1
Engine (Make / Model) Maybach HL2, Maybach HL1083 Maybach HL108TUKRM1
Cylinders V-122  
Net HP 2502,3  
Transmission   4x2 forward, 1x2 reverse.1
Fuel type Gasoline2  
Octane    
Capacity (gallons)    
Performance    
Traverse   360°, hand.1
Speed - Road 31 mph2
50 kph2,3
50 kph1
Speed - Cross Country    
Range - Road   280 km1
Turning Radius    
Elevation Limits   -3° to + 85°1
Fording depth    
Trench crossing    
Vertical Obstacle    
Suspension (Type) Wheels: Trans leaf spring3
Tracks: Torsion bar3
 
Wheels each side    
Return rollers each side    
Track length    
Tires    
Track width    
Track centers/tread    

Sources:

  1. Encyclopedia of German Tanks of World War Two, Peter Chamberlain and Hilary Doyle, 1999
  2. The Encyclopedia of Weapons of World War II, Chris Bishop, 1998
  3. Halbkettenfahrzeuge, German Half-Track Vehicles 1939-1945, J. Williamson, 1972