# ISO 4409:1986 — Withdrawn and superseded ISO standards

For ISO 4409:1986, item title is Hydraulic fluid power — Positive displacement pumps, motors and integral transmissions — Determination of steady-state performance; status code is 9599; successor is ISO 4409:2007; withdrawn / published date is 1986-10-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4409:1986 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Positive displacement pumps, motors and integral transmissions — Determination of steady-state performance _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4409:2007
- **Withdrawn / published date:** 1986-10-09 _(verified: appears in the quote below)_

## What the source says

> 10314,IS,,ISO 4409:1986,"Hydraulic fluid power — Positive displacement pumps, motors and integral transmissions — Determination of steady-state performance","Transmissions hydrauliques — Pompes, moteurs et variateurs volumétriques — Détermination du fonctionnement en régime permanent",1986-10-09,1,['23.100.10'],ISO/TC 131/SC 8,9599,,[37528],"['en','fr']",15,"<p>Specifies methods for determining the performance and efficiency of equipment, and applies to components having continuously rotating shafts. Describes requirements for test installations, test procedures, and the presentation of test results. Annex A gives guidance as to the use of practical units, annex B contains information on err

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).