# ISO 500:1991 — Withdrawn and superseded ISO standards

For ISO 500:1991, item title is Agricultural tractors — Rear-mounted power take-off — Types 1, 2 and 3; status code is 9599; successor is ISO 500-1:2004 | ISO 500-2:2004 | ISO 500-3:2004; withdrawn / published date is 1991-03-14, recorded from its source on 2026-08-05.

- **Identifier:** ISO 500:1991 _(verified: appears in the quote below)_
- **Item title:** Agricultural tractors — Rear-mounted power take-off — Types 1, 2 and 3 _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 500-1:2004 | ISO 500-2:2004 | ISO 500-3:2004
- **Withdrawn / published date:** 1991-03-14 _(verified: appears in the quote below)_

## What the source says

> 4554,IS,,ISO 500:1991,"Agricultural tractors — Rear-mounted power take-off — Types 1, 2 and 3","Tracteurs agricoles — Prises de force montées à l'arrière — Types 1, 2 et 3",1991-03-14,2,['65.060.10'],ISO/TC 23/SC 4,9599,[4553],"[36417,36418,36419]","['en','fr']",13,"<p>This second edition cancels and replaces the first edition (ISO 500:1979), from which drawbar requirements have been deleted. Specifies normative references, types of power take-off (PTO), the clearance zones around the power take-off, other requirements and specifications.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).