# ISO 8178-4:2017 — Withdrawn and superseded ISO standards

For ISO 8178-4:2017, item title is Reciprocating internal combustion engines — Exhaust emission measurement — Part 4: Steady-state and transient test cycles for different engine applications; status code is 9599; successor is ISO 8178-4:2020; withdrawn / published date is 2017-04-20, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8178-4:2017 _(verified: appears in the quote below)_
- **Item title:** Reciprocating internal combustion engines — Exhaust emission measurement — Part 4: Steady-state and transient test cycles for different engine applications _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 8178-4:2020
- **Withdrawn / published date:** 2017-04-20 _(verified: appears in the quote below)_

## What the source says

> 65278,IS,,ISO 8178-4:2017,Reciprocating internal combustion engines — Exhaust emission measurement — Part 4: Steady-state and transient test cycles for different engine applications,Moteurs alternatifs à combustion interne — Mesurage des émissions de gaz d'échappement — Partie 4: Cycles d'essai en régimes permanent et transitoire pour différentes applications des moteurs,2017-04-20,3,"['13.040.50','27.020']",ISO/TC 70/SC 8,9599,[42275],[79199],"['en','fr']",237,"<p>ISO 8178-4:2017 specifies the test cycles, the test procedures and the evaluation of gaseous and particulate exhaust emissions from reciprocating internal combustion (RIC) engines coupled to a dynamometer. With certain restriction

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).