The Cat® C13 Industrial Power Unit is offered in ratings ranging from 287-328 bkW (385-440 bhp) @ 1800-2100 rpm. These ratings meet China Stage III, U.S. EPA Tier 3 equivalent and EU Stage IIIA equivalent emission standards. Ratings: 310-328 bkW (415-440 bhp) @ 1800-2100 rpm meet China Stage II, U.S. EPA Tier 2 equivalent andEU Stage II equivalent emission standards. Conveniently pre-configured for a wide range of applications, the Cat® Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.