Our PTO shaft is adaptable to feed mixers from the following models of the supreme range 700T, 900T, 1000T, 1200T 1600T 2580 series constant velocity Features 1.375-21 CV Half Assembly #4GYM240 Shield bearing number #961-3525 1.750-20 CV Half Assembly #4GYM340 #93-26749 Shear bolt KB61/20 from the 2500 Series assembly # 4250105 We are also able to provide all components needed for the feed mixer. What is the PTO function? PTO shafts on the tractor PTO shafts are designed to transfer the engine's energy to attachments and transform it into the engine's rotation into hydraulic. Therefore that if your tractor PTO shafts utilize fluids for energy this mechanism is known as hydraulics. This means that you can easily move different types of implements and other components using lesser power. Also, the tractor will not function without PTO shafts. How to Remove a PTO Shaft Tractors equipped with PTO (PTO) drive shafts that can be used to all kinds of PTO shaft-driven equipment. When the PTO shaft of the implement is engaged with the drive shaft for the tractor's PTO the shaft turns 1,000 minutes per hour. The PTO shaft supplies mechanical power to the implement. The male drive shaft of the tractor features Splines that connect to that female drive shaft that is on the implement. The locking pin, or button locks them together.