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ISO 6489-1:2001
Agricultural vehicles -- Mechanical connections between towed and towing vehicles -- Part 1: Dimensions of hitch-hooks
This part of ISO 6489 specifies the dimensional requirements for hitch-hooks used in the attachment to agricultural towing vehicles of towed, non-balanced trailers and implements equipped with a ring specified in ISO 20019. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles.
This part of ISO 6489-1 is applicable only in those cases where the vertical static load does not exceed 30 kN.
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International Organization for Standardization [iso]
International Organization for Standardization [iso]