# ISO 81400-4:2005 — Withdrawn and superseded ISO standards

For ISO 81400-4:2005, item title is Wind turbines — Part 4: Design and specification of gearboxes; status code is 9599; successor is IEC 61400-4:2012; withdrawn / published date is 2005-09-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 81400-4:2005 _(verified: appears in the quote below)_
- **Item title:** Wind turbines — Part 4: Design and specification of gearboxes _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** IEC 61400-4:2012
- **Withdrawn / published date:** 2005-09-29 _(verified: appears in the quote below)_

## What the source says

> 41488,IS,,ISO 81400-4:2005,Wind turbines — Part 4: Design and specification of gearboxes,Aérogénérateurs — Partie 4: Conception et spécifications relatives aux boîtes de vitesses,2005-09-29,1,"['21.200','27.180']",ISO/TC 60,9599,,[44298],"['en','fr']",94,"<p>ISO 81400-4:2005 establishes the design and specification of gearboxes for wind turbines with power capacities ranging from 40 kW to 2MW. It is applicable to all such parallel-axis, one-stage epicyclic and combined one-stage epicyclic and parallel shaft enclosed gearboxes. Its provisions are based on field experience with wind turbines having the above power capacities and configurations; its guidelines can be applied to higher capacity

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).