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DIN EN 12965:2020
Tractors and machinery for agriculture and forestry - Power take-off (PTO) drive shafts and their guards - Safety; German version EN 12965:2019
This standard specifies safety requirements and their verification for the design and construction of power take-off (PTO) drive shafts and their guards linking self-propelled machinery (or tractor) to the first fixed bearing of recipient machinery, by describing methods for the elimination or reduction of risks which need specific requirements. This standard concerns only the PTO drive shafts and those guards which are mechanically linked to the PTO drive shaft by at least two bearings.
Deutsches Institut für Normung [din]