ISO 21628:2008

ISO 21628:2008 gives safety requirements and the means for their verification specific to the design and construction of powered material-collecting systems used in agriculture, gardening and areal maintenance (e.g. landscaping). It is applicable to mounted, semi-mounted or trailed machines manufactured after the date of its publication.
It specifies means for eliminating or reducing mechanical hazards when the material-collecting system is used as intended and under the conditions foreseen by the manufacturer.
It does not deal with environmental hazards, road safety, electromagnetic compatibility, power take-off (PTO), PTO drive shaft guarding or control requirements.