# ISO 6597:1991 — Withdrawn and superseded ISO standards For ISO 6597:1991, item title is Road vehicles — Hydraulic braking systems — Measurement of braking performance; status code is 9599; successor is ISO 6597:2002; withdrawn / published date is 1991-10-10, recorded from its source on 2026-08-05. - **Identifier:** ISO 6597:1991 _(verified: appears in the quote below)_ - **Item title:** Road vehicles — Hydraulic braking systems — Measurement of braking performance _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 6597:2002 - **Withdrawn / published date:** 1991-10-10 _(verified: appears in the quote below)_ ## What the source says > 13008,IS,,ISO 6597:1991,Road vehicles — Hydraulic braking systems — Measurement of braking performance,Véhicules routiers — Dispositifs de freinage à transmission hydraulique — Mesurage des performances de freinage,1991-10-10,2,['43.040.40'],ISO/TC 22,9599,[13007],[27129],"['en','fr']",19,

Specifies the test method for braking systems of vehicles of categories M and N according to UN-ECE Regulation No. 13. This second edition cancels and replaces the first edition (1980). Annex A forms an integral part of this standard.

## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).