Tractors for agriculture and forestry. Roll-over protective structures (ROPS). Dynamic test method and acceptance conditions1 Scope This International Standard specifies a dynamic test method and the acceptance conditions for roll over protective structures (cab or frame) of wheeled tractors for agriculture and forestry. It is applicable to tractors having at least two axles for wheels mounted with pneumatic tyres, or having tracks instead of wheels, with an unballasted tractor mass of not less than 600 kg, but generally less than 6 000 kg, and with a minimum track width

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and behaviour in normal service

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