Unitary block hook

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Standard block hook on the Zündapp KS 750
Unit hook on the Sd. Vehicle 69 (also called "Krupp Protze")
Standard bulky hook with trailer on medium weight off-road car (Wehrmacht)

The unit hook limber is an early form of the trailer coupling , of the German Army for the connection between trailer and towing vehicle has been used.

The standard block hook made it possible to connect motorcycle trailers and various devices to Wehrmacht vehicles. There was also the option of connecting several trailers in a row, which is common when pulling limbs . Mainly, the unit block hook was used to pull light artillery , such as the 2 cm Flak 30 (or 2 cm Flak 38 ) or 7.5 cm light infantry gun 18 and the 3.7 cm PaK 36 . It was also used for telecommunication units and with the light special trailer 1 (SdAnh 1). The use of the unitary block hook is known for:

  • Wehrmacht car
    • Vehicle 12 Designation: Medium-duty all-terrain car (with tow hook)
    • Vehicle 15 Designation: Medium weight off-road vehicle (with tow hook)
    • Vehicle 21 Designation: Commander's car
    • Vehicle 69 Designation: Heavy all-terrain car (with tow hook)

Not all of the aforementioned vehicles were necessarily equipped with the standard bulky hook. Only a fraction of the vehicles of the Wehrmacht vehicles were equipped with it. Photo credits are known for the aforementioned vehicles that were provided with couplings for heavier loads (such as the coupling jaw used on the Sd.Kfz. 11 ). Lighter (and smaller) couplings, on the other hand, can be found on trailers such as the IF8 infantry cart , which were not intended for motorized transport. Loot vehicles such as the half-track vehicle Unic P107 / Leichter Zugkraftwagen 305 (f) were also used as towing vehicles for light loads. The use of the standard hook on such vehicles is to be assumed, but no evidence is known.

Dimensions of the standard block hook:

  • Length of the limber nail: 131 mm
  • Diameter of the prosthetic nail: 57 mm
  • Length of the Protznagels to the lower edge of the bar: 95 mm

  • Sd.Kfz. 2 Kettenkrad with special trailer 1 (SdAnh 1)

  • Kettenkrad with trailer "Pionierfahrzeug 22 (Pf.22)"

  • BMW R75 sidecar with standard hooks

  • Light off-road car, Tempo G1200 with standard bulky hook

  • Trailer on medium weight off-road vehicle (Wehrmacht)

  • Sd.Kfz. 10 with coupled trailers

  • Sd.Kfz. 250, armored personnel carrier with standard bulky hook

  • Unic P107 light towing vehicle 305 (f) during test drives with a PaK 36 tensile load

  • BMW R 75 sidecar with standard hooks

literature

  • Janusz Piekałkiewicz : The BMW R 12 / R 75 motorcycles in World War II. Motorbuch-Verlag, Stuttgart 1999, ISBN 3-87943-446-8 ( Motorbuch-Verlag special ).
  • Wolfgang Fleischer : German infantry carts, army field wagons and army sleds. 1900-1945. Podzun-Pallas, Wölfersheim-Berstadt 1995, ISBN 3-7909-0538-0 ( Das Waffen-Arsenal. Vol. 153).
  • Service regulation ( Wehrmacht ): D 618/3 trailer for the small chain motorcycle. Edition June 30, 1943.

Individual evidence

  1. ↑ Wehrmacht, Protzhaken spare parts list for BMW R 75 (viewed on February 26, 2017) ( Memento from March 4, 2016 in the Internet Archive )
  2. ↑ Bundesarchiv, Bild 183-2008-1201-500, Zündapp KS 600 with attached Pak (viewed on June 12, 2010)
  3. ↑ Škoda Superb 3000 (type 952) (accessed June 12, 2010)
  4. ↑ Sd.Kfz. 11, towing device with coupling jaw with connection for compressed air brake (viewed on June 12, 2010)

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