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BS ISO 18808:2021

$142.49

Agricultural tyres for construction machines

Published By Publication Date Number of Pages
BSI 2021 30
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This document specifies the designation, dimensions, approved rim contours, load ratings and reference speeds for agricultural tyres fitted to construction machines (e.g. backhoe loaders, small dumpers, loaders, excavators) operating on building sites under loading and transport conditions.

Tyres conforming to this document are identified by the suffix IND in the tyre size designation; code designated tyres can alternatively, in place of the suffix IND, be identified by the classification code R-4.

NOTE

Agricultural tyres without the suffix IND in the tyre size designation or with a classification code differing from ā€œR-4ā€ are not part of this document. Code designated diagonal tyres (ply rating marked series) for agricultural tractors, trailers and machines are part of ISO 4251-1 and ISO 4251-2 . Code designated radial tyres for agricultural tractors, trailers and machines are part of ISO 8664 . Metric designated tyres for agricultural tractors, trailers and machines are part of ISO 7867-2 . Tyres for forestry machines, identified by suffix LS, or classification code LS-x are part of ISO 18807 .

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Tyre designation and marking
4.1 General
4.2 Tyre size and construction code
4.2.1 General
4.2.2 Nominal section width
4.2.3 Nominal aspect ratio
4.2.4 Tyre construction code
4.2.5 Nominal rim diameter code
11 4.2.6 Tyre size suffix IND
4.2.7 Tyre classification code
4.3 Index of strength
4.4 Service description
4.4.1 General
4.4.2 Supplementary service description
4.4.3 Load index
12 4.4.4 Speed symbol
4.5 Other service characteristics
4.5.1 Tubeless
4.5.2 Preferred direction of rotation
4.6 Examples for designation and marking of agricultural tyres for construction machines
4.7 Tyre dimensions and approved rim contours
13 4.8 Tyre load carrying capacities (TLCC)
4.9 Tyre applications at service speeds others than the reference speed
14 5 Maximum pressure for tyre bead seating
6 Tyre parameters for vehicle speed reference
15 Annex A (normative) Tyre dimensions and approved rim contours
20 Annex B (normative) Tyre load carrying capacities (TLCC) and reference inflation pressures
27 Annex C (informative) Speed radius index (SRI)
29 Bibliography
BS ISO 18808:2021
$142.49