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UN R55 change reports — Mechanical couplings

UN Regulation No. 55 (ECE R55) — Uniform provisions concerning the approval of mechanical coupling components of combinations of vehicles.

03 series

  • 03 series — Supplement 1

    For vehicles with an ADS, the engagement status of the coupling must be sent to the ADS as a logic signal.

  • 03 series — Base text

    In Annex 7, paragraphs 1.4. to 1.4.2. now refer to coupling devices instead of drawbar eyes.

02 series

  • 02 series — Supplement 1

    The form of shank for drawbar eyes of Class D50-X is now limited by the form drawn in Figure 11. Before, it was not specified.

01 series

  • 01 series — Supplement 9

    Annex 5, paragraph 3.4. now says: “Any flexible components providing part of the articulation are not considered to be a special joint.”

  • 01 series — Supplement 8

    Item 2. of Annex 1 now reads “Type of device or component:” instead of “Manufacturer's name for the type of device or component:”.