DAF YB-616

License plate: BE-20-10
Year: 30-06-1960

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The colossus in our range, our tow truck. With a turning radius of an elephants butt but easy to drive.

General Data:

The DAF YA-616 and the YA-626 (2nd series) are heavy military trucks produced bij DAF, for the Dutch armed forces in the 60's of the 20th century.

In the fifties of the 20th century, the Royal Dutch Army felt the need to replace the rolling stock, it still consisted mainly of acquired vehicles from the Allied vehicledumps. Because until then the transport they used was a mixture of English and American vehicles, maintenance and supply of spare parts was a logistical problem and standardization therefore was necessary.
The tractors used bij the Artillery for lighter guns had already been replaced by the newly introduced DAF YA-328 AT.
For medium and heavy artillery they still used the M4 16 tons High Speed fulltracks tractor and the 6-ton White and Mack 6x6 artillery tractors .
The Army wanted to replace these three types of vehicles, for a 6 x 6-wheeled vehicle and for the production and delivery of these two Dutch companies, DAF and Van Twist were interested. Both were commissioned to develop a prototype.

The two prototypes were delivered to the Royal Army in September 1955 and tested long-term at home and abroad.Both trucks exhibited defects in beginning but because DAF had a greater flexibility to overcome and adapt them to the DAF YA-616 proved to be the best candidate, and in 1958 the army initially ordered 140 DAF 616 trucks carried out as truck (used as artillery tractor ) and 104 pieces carried as tippers.

The 616 was known for its robust construction and enormous pulling power, but was also notorious for its high fuel consumption 1 liter of gasoline per kilometer was no exception.
The value of the vehicle amounted to 140,000 guilders.

The official type designation is made in the following way;

  • Y = military vehicle
  • A = general,
  • B = salvage vehicle, tow truck (tackle box in soldiers language )
  • F = (Fuel) Tanker,
  • K = dump trucks,
  • T = Truck (for trailers)
  • 6 = payload in tonnes,
  • 1 or 2 = the series, 1st or 2nd edition
  • 6 = number of spinning wheel sets
  • Note: When naming the tow trucks YB 616 and YB 626 often creates confusion. One is tempted to think that 1 stands for single tyres and 2 for duals. The YB 616 is the first series with twin wheels and YB 626 the second series with sigle tyres only.
  •  

YB-616
  • B stands for Salvage (Salvage Vehicle). The YB 616 is provided with two winches, one with 9000 kg pulling force on the front side and the second, with 20,000 kg of pulling force at the rear. The Austin-Western-crane has a lifting capacity of 10,000 kilograms. Further differentiation between the tow truck itself, as well as the YT 616 from the YA, YK and YF, is mounting of dual wheels on the bogie in the size 11.00 x 20.
YB 626
  • The base is equal to the YB 616, but the YB 626 is equipped with a heavier front axle with tires measuring 14.00 x 20 and the bogie is equipped with the same axis as the YA, YK and YF. So again with single wheels on the bogie in size 14,00 x 20. Therefor the gear ratio in the rear had to be modified. 
    Further, the crane system was also slightly improved. A cooling unit got fitted in the hydraulic system of the crane in order to better control the temperature of the oil during prolonged static lifting, such as lifting of tank engines. 
    In addition, another Timken reduction gear with built-in oil pump was also used and there were some changes to controls in the cab.

source wikipedia NL