ISO 668 is an international standard defined in 1968 that regulates the size and weight specifications of intermodal freight containers. ISO 668 defines the relevant container parameters. These include, among others:

  • External and internal dimensions

  • Size of the door opening

  • Tare weight

  • Stackable

  • Brackets, crossbars, loading rails

In the following years, the standard was supplemented and extended several times. For example, since Amendment 1 of 2005, the basic structure, the special requirements in the areas of load transfer, and the corresponding total weights have also been included in the regulations. Currently, version R-668 E/2013 applies to ISO 668.

This globally uniform standard primarily means decisive advantages for transport: Due to their identical construction, ISO containers can be handled at terminals worldwide. They can be stacked and transported on all container ships without any problems - regardless of whether the ship comes from Europe, Asia, or the USA. They also fit on any truck or freight train. ISO 668 standardized containers must meet certain quality criteria for load capacity, safety, and weather resistance, which they must meet without exception.

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