Standard
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AS ISO 7457:2021
[Current]Identically adopts ISO 7457:1997, which specifies methods for determining the turning radius, turning diameter, machine clearance diameter, and inside and outside tyre clearance diameters, described in the horizontal plan by a wheeled earth-moving machine with its equipment and attachments when executing a turn. This document is applicable to all types of steerable wheeled earth-moving machinery. It is applicable irrespective of the type of steering used. KEYWORDS: Earth-moving machinery; Turning dimensions; Wheeled machines;
Published: 09/04/2021
Pages: 11
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Definitions
4 Test area
5 Test equipment
5.1
5.2
5.3
6 Preparation for test
6.1
6.2
6.3
6.4
6.4.1
6.4.2
6.4.3
7 Test procedure
7.1 Right turn: Wheeled and articulated steer
7.1.1
7.1.2
7.1.3
7.1.4
7.1.5
7.1.6
7.1.7
7.1.8
7.1.9
7.2 Left turn: Wheeled and articulated steer
7.3 Skid steer
8 Additional optional test procedure for machines whose left- and right-hand brakes on the non-steered wheels can be applied separately
9 Test results
Cited references in this standard
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