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UN R13: Proposal for amendments
Document GRVA/2022/14
7 April 2022

Proposal to equip four-axle commercial vehicles over 25 tons with vehicle stability function due to their specific use.

Submitted by France
Status: Superseded
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Previous Documents, Discussions, and Outcomes
8. (a) | Electronic Stability Control

107. The expert from France introduced ECE/TRANS/WP.29/GRVA/2023/2, a proposal to mandate the fitment of an electronic stability function on N3 concrete mixer trucks with four axles. He highlighted that, given the difficulty to refer to “concrete mixers” in the Regulation, the current proposal was to refer to and include all vehicles with four axles and two power driven rear axles in the scope of the mandatory installation of electronic stability function.

108. GRVA adopted ECE/TRANS/WP.29/GRVA/2023/2, as amended by GRVA-15-56 as draft proposal for the 13 series of amendments to UN Regulation No. 13 (heavy vehicle braking) and requested the secretariat to submit it to WP.29 and AC.1 for consideration and vote in June 2023.

8. (a) | Electronic Stability Control

81. The expert from France introduced ECE/TRANS/WP.29/GRVA/2022/14 as amended by GRVA-13-39, aimed to require the fitment of four axles commercial vehicles over 25 tons with vehicle stability function. The expert from OICA introduced GRVA-13-23 containing an alternative proposal addressing the concern raised by the expert from France and based on their statistical review of the configuration of four axle vehicles. He presented GRVA-13-20 containing elements justifying their alternative proposal.

82. GRVA agreed to keep GRVA-13-23 and GRVA-13-39 on the agenda for the session in September 2022.

8. (b) | Electro-mechanical brakes
8. (c) | Clarifications
8. (b) | Electromechanical Brakes

78. The expert from France reported on recent crashes involving concrete mixer trucks, such vehicles being currently exempted from the electronic stability requirements. He presented GRVA-12-07, proposing to remove the exemption for concrete mixers trucks.

79. GRVA agreed to resume consideration of the French proposal and requested the secretariat to distribute GRVA-12-07 with an official symbol at the next GRVA session in May 2022.

Related and Previous Documents
GRVA-12-07
GRVA-13-20
GRVA-13-23
GRVA-13-39
GRVA/2023/2
Relates to UN R13 |