ISO INTERNATIONAL STANDARD 11001-2 First edition 1993-10-01 Agricultural wheeled tractors and implements -- Three-point hitch couplers Part 2: A-frame coupler Tracteurs agricoles a roues et instruments - Coupleurs rapides trois points- Partie 2: Coupleur par cadre en A SO Reference number ISO 11001-2 1993(E) Copyright internatioal Organizatin for Standadization No reproduction or networking permitted without license from IHS Not for Resale ISO 11001-2:1993(E) 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 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. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International a vote ISO/TC 23, Tractors and machinery for agriculture and forestry. Sub- Committee SC 4, Tractors. IsO 11001 consists of the following parts, under the general title Agricul- turalwheeledtractorsandimplements -Three-point hitch couplers Part 1. U-frame coupler Part 2: A-frame coupler - Part 3:Link coupler Part 4.Bar coupler ISO 1993 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 . CH-1211 Geneve 20 : Switzerland Printed in Switzerland ii Copyright Int ational Organization for Standardization No reproduction or networking permited without license from IHS Not for Resale ISO 11001-2:1993(E) INTERNATIONALSTANDARD Agricultural wheeled tractors and implements Three-point hitch couplers - Part 2: A-frame coupler Scope 2 Normative references This part of is0 11001 specifies the essential dimen- sions for the attachment of three-point hitch im- plements to agricultural wheeled tractors equipped With a three-point free link hitch according to The following standards contain provisions which, ISO730-1oriSO8759-2,andanA-framehitchcou through reference in this text,constituteprovisions pler. of this part of ISO 11001. At the time of publication, the editions indicated were valid.All standards are NOTE 1 In general the dimensions associated with the subject to revision, and parties to agreements based tractor and the implement for use with hitch couplers are on this part of ISO 11001 are encouraged to investi- the same as those for the three-point linkage specified in gate the possibility of applying the most recent edi- ISO 730-1 or ISO 8759-2, and those for the clearance zone tions of the standards indicated below. Members of specified in ISO 23321). IEC and ISO maintain registers of currently valid International Standards The three-point hitch coupler systems constitute a special method of implement mounting. The hitch IS0 730-1:1990, Agricultural wheeled tractors couplers are an additional component located be- Rear-mounted three-point linkage - Part 1: Catego- tween the three-point linkage and the implement, ries 1, 2 and 3. making it possible to hitch and unhitch from the op- erator's seat Due to the special construction and ISO 8759-2:1985, Agricultural wheeled tractors function of hitch couplers, it may be necessary to vary Front-mounted linkage and power take-off - Part 2 the length of the links indicated in the referenced Frontlinkage. standards. This part of isO 11001 applies to category 2 of agri- cultural wheeled tractors as defined in isO 730-1. No reproduction or networking permited without license from IHS Not for Resale