Profile: P E C Mfg. manufactures a full range of clutches and clutch assemblies from a one plate-six inch through a three plate-fourteen inch. Our Power Take-Off consists of a complete clutch assembly with shaft and bearings mounted in a cast iron housing that allows for easy engine installation. And our PTOs are used as a standard method for transmitting the power of engines in a great variety of industrial applications, such as air compressors, agricultural machinery, pump drives, crushers and road building machinery.