This part of ISO 4254, used together with ISO 4254-1, specifies the safety requirements, and their verification for design and construction, of mounted, semi-mounted, trailed or self-propelled seed drills, including the seeding function of combined seed and fertilizer drills, used in agriculture and horticulture. In addition, it specifies the type of information on safe working practices (including residual risks) to be provided by the manufacturer.

When requirements of this part of ISO 4254 are different from those which are stated in ISO 4254-1 the requirements of this part of ISO 4254 take precedence over the requirements of ISO 4254-1.

This part of ISO 4254 deals with all the significant hazards (as listed in Annex A), hazardous situations and events relevant to seed drills, used as intended and under the conditions foreseen by the manufacturer, excepting the hazards arising from:
- external influences on electrical equipment;
- failure of energy supply;
- failure, malfunction of control system;
- break-up of parts rotating at high speed;
- equipment for loading seeds (and fertilizer).

This part of ISO 4254 is not applicable to seed drills with integrated and inseparable powered soil-working tools (see 3.2),

This part of ISO 4254 is not applicable to environmental hazards or electromagnetic compatibility; neither is it applicable to hazards related to maintenance or repairs carried out by professional service personnel.

NOTE Specific requirements related to road traffic regulations are not taken into account in this International Standard.

This part of ISO 4254 is not applicable to seed drills which are manufactured before the date of its publication.