NEN ISO 6489-4 : 2004
Current
The latest, up-to-date edition.
12-01-2013
Defines the dimensional requirements for the piton-type coupling devices used in the attachment to agricultural towing vehicles of towed, non-balanced trailers and implements equipped with a coupling ring specified in ISO 5692-1. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles. Applies in those cases where the vertical static load does not exceed 30 kN.
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