BS EN 12965:2019 Tractors and machinery for agriculture and forestry. Power take-off (PTO) drive shafts and their guards. Safety

Safety devices
Power take-off
Equipment safety
Tractors
Agricultural equipment
Hazards
Machine guards
Drive shafts
Agricultural tractors
Shaft couplings
Verification
Mechanical transmission systems
Forestry equipment
Power transmission systems

Link: BS EN 12965:2019 Tractors and machinery for agriculture and forestry. Power take-off (PTO) drive shafts and their guards. Safety
Source: BSI Standards