As the busy tractor season is underway again it’s important to remind ourselves of the potential risks involved. Power take-off (PTO) shafts are the power source for many machines that are attached to and powered by tractors they are also the cause of many farm accidents each year.

PTOs can rotate at speeds up to 1000rpm. Unguarded PTOs may cause serious injury. Correct guarding is essential, as it could save your life.

The safe stop principles

If checking an issue with the PTO, always follow the safe stop principles. It makes sure nothing will move.

  • Make sure the handbrake is fully on
  • Put all controls and gears in neutral
  • Stop the engine
  • Take out the key
  • Safely descend the steps

    • Important measures to follow when operating a PTO

  • Take extra care when operating a PTO driven machine in a stationary position
  • Ensure all PTO guards are in place, properly chained, lubricated and in perfect working order
  • Do not use a machine with a damaged PTO shaft guard
  • Don’t forget to check the PTO is guarded where the shaft attaches to the tractor
  • Stepping over an operating PTO increases the risk of entanglement
  • Wearing loose clothing, jewellery or long hair increases the risk of entanglement
  • PTO guards should only be removed for repair or maintenance. If removed, guards should be refitted before further operation. When undertaking these activities, the PTO should always be disengaged and the tractor should be turned off;
  • Before buying a new guard, it is wise to speak to a reputable machinery dealer or agricultural engineer, as they can advise on the type and make a guard that should suit your needs.
  • PTO drive shafts should be enclosed with guards along their full length from the tractor to the first bearing on the machine.