ISO 6489-3:1992

Agricultural vehicles — Mechanical connections on towing vehicles — Part 3: Tractor drawbar

ISO 6489-3:1992

Name:ISO 6489-3:1992   Standard name:Agricultural vehicles — Mechanical connections on towing vehicles — Part 3: Tractor drawbar
Standard number:ISO 6489-3:1992   language:English language
Release Date:02-Dec-1992   technical committee:ISO/TC 23/SC 4 - Tractors
Drafting committee:ISO/TC 23/SC 4 - Tractors   ICS number:65.060.10 - Agricultural tractors and trailed vehicles
Is0
INTERNATIONAL
STANDARD 6489-3
First edition
1992-l 2-l 5
Agricultural vehicles - Mechanical
connections on towing vehicles -
Part 3:
Tractor drawbar
- Liaisons mkaniques sur khicules
Vkhicules agricoles
remorquan ts -
Partie 3: Barre d ’attelage du tracteur
Reference number
IS0 6489-3: 1992(E)

---------------------- Page: 1 ----------------------
IS0 6489-3: 1992(E)
Foreword
IS0 (the International Organization for Standardization) is a worldwide
federation of national standards bodies (IS0 member bodies). The work
of preparing International Standards is normally carried out through IS0
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. IS0
collaborates closely with the International Electrotechnical Commission
(IEC) on all matters of electrotechnical standardization.
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.
International Standard IS0 6489-3 was prepared by Technical Committee
ISOJTC 23, Tractors and machinery for agriculture and forestry, Sub-
Committee SC 4, Tractors.
This first edition of IS0 6489-3 together with IS0 500:1991 cancel and
replace IS0 500:1979; this 1979 edition has been split, rear-mounted PTO
requirements remaining in IS0 500 and tractor drawbar requirements be-
ing transferred to and amplified in the new IS0 6489.
IS0 6489 consists of the following parts, under the general title Agricul-
tural vehicles - Mechanical connections on towing vehicles:
- Part I: Hook type
- Part 2: Clevis type - Dimensions
- Part 3: Tractor drawbar
Annex A forms an integral part of this part of IS0 6489.
0 IS0 1992
All rights reserved. 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 per-
mission in writing from the publisher.
International Organization for Standardization
Case Postale 56 l CH-1211 Geneve 20 l Switzerland
Printed in Switzerland
ii

---------------------- Page: 2 ----------------------
INTERNATIONAL STANDARD IS0 6489-3: 1992(E)
Agricultural vehicles - Mechanical connections on
towing vehicles -
Part 3:
Tractor drawbar
The hitch end of the tractor drawbar shall normally be
1 Scope
designed as a clevis.
This part of IS0 6489 specifies the dimensional re-
When the drawbar is positioned in the longitudinal
quirements, location and vertical static loads for
mid-plane of the tractor, the relationship between the
drawbars on agricultural tractors.
location of the power take-off (PTO) as defined in
IS0 500 and the drawbar shall comply with figure 1
and table 1.
2 Normative references
For special applications, other drawbar locations may
be used (see annex A).
The following standards contain provisions which,
through reference in this text, constitute provisions
It shall be possible to secure swinging drawbars in the
of this part of IS0 6489. At the time of publication, the
longitudinal mid-plane position.
editions indicated were valid. All standards are subject
to revision, and parties to agreements based on this
pa
...

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