ISO 11525-4:2016, when used in conjunction with ISO 11525-1 or ISO 11525-2, defines specific user requirements relating to the use of non-slewing and slewing variable-reach trucks operating with freely suspended loads.When provisions of this part of ISO 11525 are different from those which are stated in ISO 11525-1 or ISO 11525-2, the provisions of this part of ISO 11525 take precedence over the provisions of ISO 11525-1 or ISO 11525-2.It is intended to achieve the following:a) prevention of personal injuries, property damage and accidents;b) establishment of criteria for inspection, maintenance, operation and training.NOTE National or local requirements can apply, whichever could be more stringent.General user requirements for non-slewing variable-reach trucks are given in ISO 11525-1.General user requirements for slewing variable-reach trucks are given in ISO 11525-2.ISO 11525-4:2016 is not applicable to flexible intermediate bulk containers as defined in ISO 21898.