scope:

Scope and field of application

This International Standard lays down track widths for agricultural tractors and machinery, as a guideline for the manufacturers of these products.

It applies to the principal driven axle(s) of agricultural tractors and to machinery, including self-propelled machinery, used in fields for row-crops. It does not apply to tractors of special types, to walking-tractors to single-axle motor-driven machines, to two-wheeled propulsion units, or to agricultural machinery of special types.