Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 1: Dimensions of hitch-hooks

This part of ISO 6489 specifies the dimensional requirements for hitch-hooks used in the attachment to agricultural
towing vehicles of towed, non-balanced trailers and implements equipped with a ring specified in ISO 20019. Its
purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles.
This part of ISO 6489-1 is applicable only in those cases where the vertical static load does not exceed 30 kN.

Véhicules agricoles - Liaisons mécaniques entre véhicules remorqueurs et véhicules remorqués - Partie 1: Dimensions des crochets d'attelage

La présente partie de l'ISO 6489 spécifie les caractéristiques dimensionnelles des crochets d'attelage sur les
véhicules remorqueurs agricoles, utilisés pour atteler les véhicules remorqués semi-portés équipés d'un
accouplement par anneau d'attelage conforme à l'ISO 20019. Elle a pour objet d'assurer l'interchangeabilité des
liaisons mécaniques entre véhicules remorqueurs et véhicules remorqués.
Elle s'applique aux crochets d'attelage dont la charge statique verticale n'excède pas 30 kN.

Kmetijska vozila - Mehanični priklopi na vlečnih vozilih - 1. del: Vrsta zapenjalne kljuke

Ta del standarda ISO 6489 določa zahteve glede vrste zapenjalne kljuke, ki se uporablja za priklop vlečenih, neizravnanih vozil in strojev z obročem iz standarda ISO 20019 na kmetijska vlečna vozila. Njegov namen je zagotoviti zamenljivost mehanskih priklopov na kmetijskih vlečnih vozilih. Ta del standarda ISO 6489-1 velja le v primerih, ko navpična statična obremenitev ne presega 30 kN.

General Information

Status
Published
Publication Date
22-Feb-2015
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
11-Feb-2015
Due Date
18-Apr-2015
Completion Date
23-Feb-2015

Relations

Effective Date
01-Apr-2015

Overview

SIST ISO 6489-1:2015 sets out the dimensional requirements for hitch-hooks used to connect agricultural towing vehicles to towed, non-balanced trailers and implements. The standard is essential for manufacturers, designers, and users in the agriculture sector to ensure that hitch-hooks are compatible with rings specified by ISO 20019 and that mechanical connections across different vehicles and implements remain interchangeable. This part of ISO 6489-1 applies specifically in cases where the vertical static load on the hitch-hook does not exceed 30 kN, addressing key safety and compatibility factors in modern agricultural machinery.

Key Topics

  • Dimensional Requirements: SIST ISO 6489-1:2015 provides clear specifications on the dimensions and location of hitch-hooks, ensuring correct alignment and fit with the corresponding hitch rings as per ISO 20019.
  • Interchangeability: The standard aims to guarantee that mechanical connections between towing and towed agricultural vehicles are interchangeable, minimizing compatibility issues when coupling various implements or trailers.
  • Load Limitation: Applicability is specifically restricted to scenarios where the vertical static load on the hitch-hook is 30 kN or less, which is typical for non-balanced, towed agricultural equipment.
  • Design Responsibility: Manufacturers are responsible for ensuring the design and quality of the hitch-hook assembly, including mechanisms to prevent unintentional uncoupling at maximum design loads.
  • Installation Parameters: ISO 6489-1 outlines where and how hitch-hooks should be positioned relative to the tractor’s power take-off (PTO) shaft and the ground, aiming for safety and usability without interfering with other essential tractor systems.

Applications

Adhering to SIST ISO 6489-1:2015 is vital for:

  • Agricultural Machinery Manufacturers: Ensuring that produced hitch-hooks and towing connections fit a broad range of implements and trailers, supporting product interoperability and export readiness.
  • Implement Designers and Operators: Selecting or specifying hitch-hooks that conform to international standards helps prevent mismatches, reduces operational downtime, and maximizes equipment utility.
  • End Users and Farmers: Achieving safe, quick, and reliable attachment of trailers and implements, enhancing productivity and minimizing risks of accidental uncoupling or connection failure.
  • Compliance and Safety Inspection: Regulatory agencies and safety auditors reference ISO 6489-1 for verifying that agricultural towing vehicles meet essential mechanical connection standards.

Related Standards

SIST ISO 6489-1:2015 is part of a wider series on agricultural vehicle mechanical connections. Closely related standards include:

  • ISO 20019: Defines the dimensions for hitch rings on towed vehicles - critical for ensuring full compatibility with hitch-hooks specified in ISO 6489-1.
  • ISO 6489-2: Addresses clevis-type dimensions, extending standardization to different hitch mechanisms.
  • ISO 6489-3: Covers tractor drawbar dimensions, providing an additional mechanical connection solution.
  • ISO 6489-4: Focuses on bolt-type dimensions, supporting alternative coupling methods.
  • ISO 500: Details requirements for rear-mounted power take-offs (PTO), directly relevant to the installation parameters of hitch-hooks.

By following SIST ISO 6489-1:2015 alongside these companion standards, agricultural equipment stakeholders can ensure maximum compatibility, safety, and efficiency across fleets, fostering global harmonization in agricultural vehicle connections.

Keywords: SIST ISO 6489-1:2015, agricultural vehicles, hitch-hooks, mechanical connections, towing, implements, trailers, standardization, dimensions, compatibility, ISO 20019, vertical static load, safety, interchangeability, agricultural machinery.

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Frequently Asked Questions

SIST ISO 6489-1:2015 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part 1: Dimensions of hitch-hooks". This standard covers: This part of ISO 6489 specifies the dimensional requirements for hitch-hooks used in the attachment to agricultural towing vehicles of towed, non-balanced trailers and implements equipped with a ring specified in ISO 20019. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles. This part of ISO 6489-1 is applicable only in those cases where the vertical static load does not exceed 30 kN.

This part of ISO 6489 specifies the dimensional requirements for hitch-hooks used in the attachment to agricultural towing vehicles of towed, non-balanced trailers and implements equipped with a ring specified in ISO 20019. Its purpose is to ensure the interchangeability of the mechanical connections on agricultural towing vehicles. This part of ISO 6489-1 is applicable only in those cases where the vertical static load does not exceed 30 kN.

SIST ISO 6489-1:2015 is classified under the following ICS (International Classification for Standards) categories: 65.060.10 - Agricultural tractors and trailed vehicles. The ICS classification helps identify the subject area and facilitates finding related standards.

SIST ISO 6489-1:2015 has the following relationships with other standards: It is inter standard links to SIST ISO 6489-1:1995. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

SIST ISO 6489-1:2015 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


SLOVENSKI STANDARD
01-april-2015
1DGRPHãþD
SIST ISO 6489-1:1995
.PHWLMVNDYR]LOD0HKDQLþQLSULNORSLQDYOHþQLKYR]LOLKGHO9UVWD]DSHQMDOQH
NOMXNH
Agricultural vehicles - Mechanical connections between towed and towing vehicles - Part
1: Dimensions of hitch-hooks
Véhicules agricoles - Liaisons mécaniques entre véhicules remorqueurs et véhicules
remorqués - Partie 1: Dimensions des crochets d'attelage
Ta slovenski standard je istoveten z: ISO 6489-1:2001
ICS:
65.060.10 Kmetijski traktorji in prikolice Agricultural tractors and
trailed vehicles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

INTERNATIONAL ISO
STANDARD 6489-1
Third edition
2001-01-15
Agricultural vehicles — Mechanical
connections between towed and towing
vehicles —
Part 1:
Dimensions of hitch-hooks
Véhicules agricoles — Liaisons mécaniques entre véhicules remorqueurs
et véhicules remorqués —
Partie 1: Dimensions des crochets d'attelage
Reference number
©
ISO 2001
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not
be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this
file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this
area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters
were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event
that a problem relating to it is found, please inform the Central Secretariat at the address given below.
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic
or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body
in the country of the requester.
ISO copyright office
Case postale 56 � CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.ch
Web www.iso.ch
Printed in Switzerland
ii © ISO 2001 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
member bodies). The work of preparing International Standards is normally carried out through ISO technical
committees. Each member body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, governmental and non-governmental, in
liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this part of ISO 6489 may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 6489-1 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for
agriculture and forestry, Subcommittee SC 4, Tractors.
This third edition cancels and replaces the second edition (ISO 6489-1:1991), which has been technically revised.
ISO 6489
...


INTERNATIONAL ISO
STANDARD 6489-1
Third edition
2001-01-15
Agricultural vehicles — Mechanical
connections between towed and towing
vehicles —
Part 1:
Dimensions of hitch-hooks
Véhicules agricoles — Liaisons mécaniques entre véhicules remorqueurs
et véhicules remorqués —
Partie 1: Dimensions des crochets d'attelage
Reference number
©
ISO 2001
PDF disclaimer
This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not
be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this
file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The ISO Central Secretariat accepts no liability in this
area.
Adobe is a trademark of Adobe Systems Incorporated.
Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters
were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event
that a problem relating to it is found, please inform the Central Secretariat at the address given below.
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic
or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body
in the country of the requester.
ISO copyright office
Case postale 56 � CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail copyright@iso.ch
Web www.iso.ch
Printed in Switzerland
ii © ISO 2001 – All rights reserved

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO
member bodies). The work of preparing International Standards is normally carried out through ISO technical
committees. Each member body interested in a subject for which a technical committee has been established has
the right to be represented on that committee. International organizations, governmental and non-governmental, in
liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical
Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.
Draft International Standards adopted by the technical committees are circulated to the member bodies for voting.
Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this part of ISO 6489 may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
International Standard ISO 6489-1 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for
agriculture and forestry, Subcommittee SC 4, Tractors.
This third edition cancels and replaces the second edition (ISO 6489-1:1991), which has been technically revised.
ISO 6489 consists of the following parts, under the general title Agricultural vehicles — Mechanical connections
between towed and towing vehicles:
� Part 1: Dimensions of hitch-hooks
� Part 2: Clevis-type dimensions
� Part 3: Tractor drawbar
� Part 4: Bolt-type dimensions
INTERNATIONAL STANDARD ISO 6489-1:2001(E)
Agricultural vehicles — Mechanical connections
...


NORME ISO
INTERNATIONALE 6489-1
Troisième édition
2001-01-15
Véhicules agricoles — Liaisons
mécaniques entre véhicules remorqueurs
et véhicules remorqués —
Partie 1:
Dimensions des crochets d’attelage
Agricultural vehicles — Mechanical connections between towed and towing
vehicles —
Part 1: Dimensions of hitch-hooks
Numéro de référence
©
ISO 2001
PDF – Exonération de responsabilité
Le présent fichier PDF peut contenir des polices de caractères intégrées. Conformément aux conditions de licence d'Adobe, ce fichier peut
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Adobe est une marque déposée d'Adobe Systems Incorporated.
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ce fichier par les comités membres de l'ISO. Dans le cas peu probable où surviendrait un problème d'utilisation, veuillez en informer le
Secrétariat central à l'adresse donnée ci-dessous.
Droits de reproduction réservés. Sauf prescription différente, aucune partie de cette publication ne peut être reproduite ni utilisée sous quelque
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l’adresse ci-aprèsouducomité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 56 � CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax. + 41 22 749 09 47
E-mail copyright@iso.ch
Web www.iso.ch
Imprimé en Suisse
ii © ISO 2001 – Tous droits réservés

Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes nationaux de
normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiéeaux
comités techniques de l'ISO. Chaque comité membre intéressé par une étude aledroit de fairepartie ducomité
technique créé à cet effet. Les organisations internationales, gouvernementales et non gouvernementales, en
liaison avec l'ISO participent également aux travaux. L'ISO collabore étroitement avec la Commission
électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
Les Normes internationales sont rédigées conformément aux règles données dans les Directives ISO/CEI, Partie 3.
Les projets de Normes internationales adoptés par les comités techniques sont soumis aux comités membres pour
vote. Leur publication comme Normes internationales requiert l'approbation de 75 % au moins des comités
membres votants.
L’attention est appelée sur le fait que certains des éléments delaprésente partie de l’ISO 6489 peuvent faire
l’objet de droits de propriété intellectuelle ou de droits analogues. L’ISO ne saurait être tenue pour responsable de
ne pas avoir identifié de tels droits de propriété et averti de leur existence.
La Norme internationale ISO 6489-1 a étéélaboréepar le comité technique ISO/TC 23, Tracteurs et matériels
agricoles et forestiers, sous-comité SC 4, Tracteurs.
Cette troisième édition annule et remplace la deuxième édition (ISO 6489-1:1991), dont elle constitue une révision
technique.
L'ISO 6489 comprend les parties suivantes, présentées sous le titre général Véhicules agricoles — Liaisons
mécaniques entre véhicules remorqueurs et véhicules remorqués:
� Partie 1: Dimensions des crochets d'attelage
� Partie 2: Dimensions des attelages de type chape
� Partie 3: Barre d'attelage du tracteur
� Partie 4: Piton fixe
NORME INTERNATIONALE ISO 6489-1:2001(F)
Véhicules agricoles — Liaisons mécaniques entre véhicules
remorqueurs et véhicules remorqu
...

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