The Cat® C2.2 Industrial Power Unit is offered in the following rating: 36.4 bkW (48.8 bhp) @ 2800-3000 rpm. This rating meets U.S. EPA Tier 4 Final, EU Stage IIIA emission standards. Ratings: 44.7-45.5 bkW (59.9-61.0 bhp) @ 2800-3000 rpm meet U.S. EPA Tier 4 Final, EU Stage IIIB 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.