The tractor’s short shaft, generally referred to as the PTO, transmits energy from the tractor to the PTO-pushed machine or instrument. Electrical power transfer is achieved by connecting the machine’s driveshaft to the tractor’s PTO stub shaft. The PTO and driveshaft had been run at 540 rpm (9 cycles/sec) or 1000 rpm (16.6 cycles/sec). At any speed, their rotation is proportional to the pace of the tractor engine. Most incidents involving PTO stubs are because of to clothes becoming caught by a busy but unsuspecting PTO stub. Causes a PTO stub may possibly continue being engaged incorporate: the operator forgets or does not know the PTO clutch is engaged sees the PTO stub spinning but thinks it is not hazardous adequate to release it, or the operator is engaged in perform pursuits. Shoelaces, pant legs, overalls and coveralls, sweatshirts, and trench coats are garments that can be grabbed and wrapped around spinning PTO spools.