ISO INTERNATIONAL STANDARD 17253 First edition 2014-09-15 Earth-moving machinery and rough terrain variable-reach trucks - Design requirements for machines intended to be driven on road Engins deterrassement et chariots élévateurs tout terrain a portée variable - Exigences de conception pour engins prévus pour circuler surroute Reference number IS0 17253:2014(E) LSO @ IS0 2014 I without license from IHS Not for Resale IS0 17253:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice 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 @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 17253:2014(E) Contents Page Foreword ..iv Introduction. .. 1 Scope. ..1 2 Normative references 3 Terms and definitions ..2 4 Safety requirements and protective measures .3 4.1 General safety. .3 4.2 Dimensions and masses .3 4.3 Speed 6 4.4 Road preservation 6 4.5 Dynamic stability 7 4.6 Steering system .7 4.7 Brake systems. .7 4.8 Trailer connections .8 4.9 Operator's station. .8 4.10 Operator's station with enclosed cab .9 4.11 Operator'scontrolsandindicators ..9 4.12 Lighting, signalling devices, and marking lights, and reflex-reflector devices. .11 4.13 Plates and inscriptions 11 4.14 Warning devices. .12 4.15 Protection for projections .12 4.16 Tools and equipment .12 4.17 Uncontrolled motion .12 4.18 Fenders .13 4.19 Fueltanks .13 4.20 Retrieval and recovery .13 5 Verification of requirements ..13 6 Operatinginstructions .13 Annex A (normative) Ground contact pressure calculation for track-laying machines. ..15 Bibliography ..17 iii ded by IHS under lic ense with ISt ed without license from IHS Not for Resale