# ISO 5721:1981 — Withdrawn and superseded ISO standards

For ISO 5721:1981, item title is Agricultural tractors — Operator's field of vision; status code is 9599; successor is ISO 5721:1989; withdrawn / published date is 1981-08-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 5721:1981 _(verified: appears in the quote below)_
- **Item title:** Agricultural tractors — Operator's field of vision _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 5721:1989
- **Withdrawn / published date:** 1981-08-01 _(verified: appears in the quote below)_

## What the source says

> 11829,IS,,ISO 5721:1981,Agricultural tractors — Operator's field of vision,Tracteurs agricoles — Champ de visibilité du conducteur,1981-08-01,1,['65.060.10'],ISO/TC 23/SC 3,9599,,[11830],"['en','fr']",7,

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).