ISO 7867-2:2018
Metric series for agricultural, forestry machines and construction tyres — Part 2: Load ratings for agricultural tyres
This document establishes the service description, the tyre load ratings for basic and special applications and reference inflation pressure for the metric series of tyres primarily intended for agricultural tractors, machines, equipment and their trailers.
It applies to diagonal, bias belted and radial tyres mounted on 5° and 15° tapered rims.
NOTE The service description, the tyre load ratings for basic and special applications and reference inflation pressure for the metric series of:
— tyres for logging and forestry machines are specified in ISO 18807;
— tyres for construction/industrial tractors are specified in ISO 13442.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Service description
4.1 General
4.2 Load index
4.3 Speed symbol
4.4 Application symbol
4.5 Supplementary service description
5 Tyre load ratings
5.1 Basic tyre load
5.2 Tyre applications at service speeds other than the reference speed
5.2.1 General
5.2.2 Tractor drive wheel tyres
5.2.3 Tractor steering wheel tyres
5.2.4 Implement tyres
6 Reference inflation pressures
Annex A (informative) Basic loads for tractor drive wheel tyres
Annex B (informative) Basic tyre loads and reference inflation pressure for implement tyres
Bibliography
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Service description
4.1 General
4.2 Load index
4.3 Speed symbol
4.4 Application symbol
4.5 Supplementary service description
5 Tyre load ratings
5.1 Basic tyre load
5.2 Tyre applications at service speeds other than the reference speed
5.2.1 General
5.2.2 Tractor drive wheel tyres
5.2.3 Tractor steering wheel tyres
5.2.4 Implement tyres
6 Reference inflation pressures
Annex A (informative) Basic loads for tractor drive wheel tyres
Annex B (informative) Basic tyre loads and reference inflation pressure for implement tyres
Bibliography