One example of such a rotary equipment system is a rotary cutter for use in agricultural applications or as a mower. In such a system, a drive means such as an engine, motor or gearbox rotates a drive shaft. The drive shaft is coupled to a crossbar and the crossbar is in turn coupled to a cutting blade. As a result, when the drive shaft is rotated, the cutting blade is also rotated to cut grass, weeds or crops. The cutting blade may be covered by a deck plate or housing to prevent operator injury and to prevent the throwing of stones and other debris. The deck plate has an open bottom to allow the cutting blades to contact the grass, weeds or crops.