Rugged Wichita water cooled AquaMaKKs and spring set Kopper Kool clutches and brakes along with standard vent clutches provide heavy duty tension control and static holding on a variety of oil and gas applications including drilling and service rigs, platforms, drawworks, mooring and positioning winches, and mud pumps. Reliable Wichita air power take-offs are found on engine gearboxes, compressors and pumps.