ISO 7867-1:2018

ISO 7867-1:2018

October 2018
International standard Current

Metric series for agricultural, forestry machines and construction tyres - Part 1: Tyre designation, dimensions and marking, and tyre/rim coordination

This document establishes the tyre size designation, the dimensional calculation formulae, the markings and the tyre and rim coordination for the metric series of tyres primarily intended for use on agricultural and forestry tractors, machines, equipment and trailers and for construction machines. It applies to diagonal, bias-belted and radial tyres mounted on 5° and 15° tapered rims. NOTE Code designated series of: — diagonal (ply rating marked) tyres for agricultural tractors and machines are specified in ISO 4251-1 and ISO 4251-2; — radial (service description marked) tyres for agricultural tractor-drive-wheel tyres are specified in ISO 8664; — tyres for logging and forestry machines are specified in ISO 18807[1]; — tyres for construction/industrial tractors are specified in ISO 13442. [1] Under preparation. Stage at the moment of publication ISO/DIS 18807:2018.

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Main informations

Collections

International ISO standards

Publication date

October 2018

Number of pages

34 p.

Reference

ISO 7867-1:2018

ICS Codes

83.160.30   Tyres for agricultural machinery

Print number

1
Sumary
Metric series for agricultural, forestry machines and construction tyres - Part 1: Tyre designation, dimensions and marking, and tyre/rim coordination

This document establishes the tyre size designation, the dimensional calculation formulae, the markings and the tyre and rim coordination for the metric series of tyres primarily intended for use on agricultural and forestry tractors, machines, equipment and trailers and for construction machines.

It applies to diagonal, bias-belted and radial tyres mounted on 5° and 15° tapered rims.

NOTE Code designated series of:

— diagonal (ply rating marked) tyres for agricultural tractors and machines are specified in ISO 4251-1 and ISO 4251-2;

— radial (service description marked) tyres for agricultural tractor-drive-wheel tyres are specified in ISO 8664;

— tyres for logging and forestry machines are specified in ISO 18807[1];

— tyres for construction/industrial tractors are specified in ISO 13442.

[1] Under preparation. Stage at the moment of publication ISO/DIS 18807:2018.

Replaced standards (1)
ISO 7867-1:2005
June 2005
International standard Cancelled
Tyres and rims (metric series) for agricultural tractors and machines - Part 1 : tyre designation, dimensions, marking and tyre/rim coordination

<p>ISO 7867-1:2005 establishes the size designation, the dimensional calculation and the markings of the metric series of tyres primarily intended for use on agricultural tractors and machines. Tyre and rim coordination is also given.</p> <p>ISO 7867-1:2005 applies to bias-belted, diagonal and radial tyres mounted an 5° tapered rims, as specified in ISO 4251-3. Only established rim diameters and widths within the ranges in Tables 1 and 2 are recommended.</p> <p>ISO 7867-1:2005 also applies to different concepts and types of tyres and rims; in this case, however, appropriate rim/section ratios <i>K</i><sub>1</sub> and coefficients <i>K</i><sub>2</sub>, <i>a</i> and <i>b</i> will be established and added.</p> <p>Dimensions of existing rims are specified in ISO 4251-3.</p>

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