Download: GRSG/2023/17 from UNECE: .pdf format .docx format
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7. UN Regulation No. 55 (Mechanical coupling)

GRSG may wish to consider a proposal of amendments to UN Regulation No. 55, prepared by the experts from Austria and the Netherlands to clarify the need for having a support device for centre axle trailers, independent of the type of coupling device (ECE/TRANS/WP.29/GRSG/2023/18).

GRSG/2023/18 | UN R55: Proposal for the 03 series of amendments
GRSG-126-19/Rev.1 | UN R55: Proposal for the 03 series of amendments
GRSG/2023/18 | UN R55: Proposal for the 03 series of amendments
GRSG/2023/18 | UN R55: Proposal for the 03 series of amendments
GRSG/2023/18 | UN R55: Proposal for the 03 series of amendments