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This part of ISO 13563 specifies additional tests to verify the stability of single side loading fork-lift trucks when handling empty or laden freight containers of 6 m length and above.

This part of ISO 13563 specifies tests in addition to those specified in ISO 13563-1¹⁾.

The stability tests contained in this part of ISO 13563 ensure that single side loading fork-lift trucks handling freight containers have satisfactory stability when operating the truck stacking in conditions where wind speed, v, is up to 12,2 m/s (Beaufort Scale 6). Alternative ratings may be used in higher wind speeds with higher values for v in the equation in 3.4.3.

This part of ISO 13563 is not applicable to trucks when

• they are handling suspended loads that may swing freely, or
• they are handling a container with a mobile centre of gravity (see ISO 3874).

The tests in this part of ISO 13563 take into account the normal degree of eccentric loading of containers as defined in ISO 3874.

When handling empty refrigerated containers, as specified in ISO 1496-2, with integral refrigeration unit (reefers), account should be taken of the offset of the load.

1) ISO 13563-1, Single side loading fork-lift trucks — Part 1: Stability tests.