ISO INTERNATIONAL STANDARD 4252 Third edition 2007-11-01 Agricultural tractors Operator's workplace, access and exit Dimensions Tracteurs agricoles - Poste de travail de I'opérateur, acces et sortie Dimensions Reference number X ISO 4252:2007(E) ISO @ ISO 2007 by IHS under lic ted without license from IHS ISO 4252:2007(E) 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 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 thatthe file is suitable foruse by IsO member bodies. In the COPYRIGHT PROTECTED DOCUMENT @ISO2007 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 [email protected] Web www.iso.org Published in Switzerland @ ISO 2007 - All rights reserved py IHS unde s/1111111001, User=Wing, Bernie mitted without license from IHS ISO 4252:2007(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 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 International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 The main task of technical committees is to prepare International Standards. 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 document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 4252 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 4252:1992), which has been technically revised ii aadizao No reproductic neworkingmitedwithout licenefrmH INTERNATIONAL STANDARD ISO 4252:2007(E) Agricultural tractors Operator's workplace, access and exit - Dimensions 1 Scope This International Standard specifies the design dimensions of agricultural tractors having a minimum track width exceeding 1 150 mm in respect of b) the number, location and minimum dimensions of their emergency exits, and c) their minimum internal clearance dimensions. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IsO 789-6, Agricultural tractors - Test procedures - Part 6: Centre of gravity IsO 5353, Earth-moving machinery, and tractors and machinery for agriculture and forestry - Seat index point 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 emergency exit means of exit that can be opened from the