Every farmer knows that tractors are essential but can be expensive to repair. Are you looking for ways to protect your equipment so that you can avoid costly service? We’ve provided a comparison on a PTO slip clutch vs. PTO overrunning clutches and how they will prevent damage to your PTO drive.
How Does a PTO Slip Clutch Work?
A PTO slip clutch acts as an overload protection from sudden and abrupt forces placed on your implement. It’s simple engineering, just a round disc with a spring device. At times, large rocks or logs can come into contact with tines, blades, or your equipment. Instead of something breaking from the force, the clutch will slip, protecting the driveline and saving you from having to spend money on replacing parts. Since it will protect from unforeseen debris in your field, this type of clutch is especially good for tillers. Some of our PTO shafts will come installed with a slip clutch.
What is an Overrun Clutch?
An overrun clutch has a one-way ratchet mechanism that prevents a tractor from being pushed forward by the inertia stored in rotating blades of an implement. This occurs when the tractor is slowed but the momentum of the blades puts force on the PTO shaft, which in turn powers the tractor forward creating an unsafe situation for the driver. The overrun clutch keeps the tractor’s PTO shaft from spinning and eliminates the issue of the implement propelling the tractor forward. Some tractors will have an internal overrunning PTO clutch. For older models, an overrun clutch can be installed between the PTO and the tractor. They are necessary for implements that have rotating masses like drum mowers, disc mowers, hay rakes, and rotary cutters. At Ranch Rite, we offer a PTO shaft with an overrunning clutch installed.