# ISO 4392-2:1989 — Withdrawn and superseded ISO standards

For ISO 4392-2:1989, item title is Hydraulic fluid power — Determination of characteristics of motors — Part 2: Startability; status code is 9599; successor is ISO 4392-2:2002; withdrawn / published date is 1989-08-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4392-2:1989 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Determination of characteristics of motors — Part 2: Startability _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4392-2:2002
- **Withdrawn / published date:** 1989-08-10 _(verified: appears in the quote below)_

## What the source says

> 10293,IS,,ISO 4392-2:1989,Hydraulic fluid power — Determination of characteristics of motors — Part 2: Startability,Transmissions hydrauliques — Détermination des caractéristiques des moteurs — Partie 2: Essai de démarrage,1989-08-10,2,['23.100.10'],ISO/TC 131/SC 8,9599,[10292],[34763],"['en','fr']",10,"<p>This part specifies two test methods for hydraulic motors. Describes two comparable methods of measurement, namely the constant torque method and the constant pressure method. The accuracy of measurements is divided into 3 classes, A, B, and C which are explained in the normative annex A. The normative annex B includes the classes of measurement accuracy, and the normative annex C contains

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).