Text prepared by the informal group of experts on Regulation No. 55 to introduce amendments on requirements for movable couplings, increased range of application of remote controls to couplings similar to C50-X and G50-X, possible increase of characteristic values of standard couplings and to include of further requirements on the mounting of couplings.

Italian-language document concerning tow bars.

E-mail explaining background on ISO 15263, development of French standard, and the use of bicycle racks in association with tow bars to support discussion of revisions to the regulation on mechanical couplings.

List of amendments being considered by the informal group updating the regulation on mechanical couplings and their status vis-à-vis submission to the Working Party on Brakes and Running Gear.

Proposal to open the definition of remote indicators to cover existing systems on the market where the remote indication is close to the remote control, e.g. on the chassis.

Contact list for the Task Force on Agricultural Couplings.

Proposed requirement for the mounting height of couplings on tractors under chapter 5 of UN Regulation No. 55.

Proposals to align the proposed agricultural tractor couplings text with other provisions of the UN R55 text regarding locked and open positions.

Extract of chapter XXXIV on coupling devices (version of 18.09.2013) Annex XXXIV: Requirements on mechanical couplings

Suggested changes to the proposal to introduce the concept of “revision of approvals” into the UN Regulations under GRRF responsibility in order to align the UN Regulations with the EU Whole Vehicle Type Approval Directive 2007/46/EC.

Corrections to delete text concerning movable couplings that was inadvertently included in document GRRF/2013/16.

Text prepared by the International Organization of Motor Vehicle Manufacturers (OICA) to introduce the concept of “revision of approvals” into the UN Regulations under GRRF responsibility in order to align the UN Regulations with the EU Whole Vehicle Type Approval Directive 2007/46/EC in order to ease the administrative burden for both manufacturers and approval administrations regarding the extension of existing approvals.

Text prepared by the informal group on Regulation No. 55 to amend the requirements for movable couplings, increase the range of application of remote controls to couplings similar to C50-X and G50-X, enable the increase of characteristic values of standard couplings and to add requirements for the mounting of couplings.

Schauer proposals concerning classification of tractor drawbars and their hitch rings and to limit the coupling device actuating force to 40 daN.

Invitation to the first session of the Task Force on Mechanical Couplings for Agricultural Vehicles.

Draft text of a previous proposal for a UN Regulation on “Uniform Provisions Concerning the Approval of Mechanical Coupling Components for Agricultural Vehicles” fro July 2011 marked up in light of current effort to update UN R55.

Table to assist the TFAC in updating provisions for mechanical couplings of agricultural vehicles.

Draft text following discussions of the first agricultural vehicle couplings task force session.

Invitation to the second session of the task force on mechanical couplings for agricultural vehicles.

Map provided to assist attendees at the 2nd session of the task force on mechanical couplings for agricultural vehicles.

Hotel list for the 2nd session of the task force on mechanical couplings for agricultural vehicles.

Definition for non-standard drawbar couplings where coupling and uncoupling of the mechanical connection as well as electric and pneumatic connection is accomplished through an automated procedure.

Draft terms of reference and rules of procedure for the informal working group established to overhaul the UN Regulation on mechanical couplings presented by the informal group chairman for GRRF approval.

Annex to the draft terms of reference providing a list of possible areas for amendments to the regulation on mechanical couplings.

Text prepared by the UN R55 informal group: Requirements on movable ball couplings, increased range of application of remote controls to couplings similar to C50-X and G50-X; couplings amendments; enable increased standard coupling characteristic values; and additional requirements for mountings.

Text prepared by the International Organization of Motor Vehicle Manufacturers (OICA) in order to introduce the concept of “revision of approvals” into regulations under GRRF responsibility.

Presentation concerning the introduction of a formula regarding interpolation between tested D-value and tested Dc/V/S values (item 22 of the informal group work list).

Open issues concerning item 21 of the R55 informal group work list.

Figure concerning clarifications on the location of remote indicators.

Input concerning item 11 of the R55 informal group work list.

“Uniform Provisions Concerning the Approval of Mechanical Coupling Components for Agricultural Vehicles”

Document concerning the D-value on modular vehicles and combinations with more than one trailer.

Proposal of amendments addressing the “simple items” of the R55 informal group work list.

German-language research report “Forschungsauftrag Nr. 56: Deichselkräftmessungen an Schwerlastzügen”

E-mail correspondence sharing thoughts on defining simple designs and separate technical units under UN R55.

Excerpt from the German version of the Official Journal regarding “Handhebelfreiraum”.

German text: “Merkblatt über die Verwendung von Hecktragesystemen an Pkw und Wohnmobilen”

German-language report: “Prüfbericht über einen Fahrradgepäcktrager zur Montage auf Anhängekupplungen”

German-language technical notice concerning bike carriers: “Die TÜV Anbauprüfung entfällt für alle C&T Heckträger!”

E-mail correspondence.