C2.2NA Industrial Power Units, with the rating: 37.3 bkW (50 bhp) @ 2800 rpm, meet EPA Tier 4 Interim equivalent emission standards. They are available for U.S. EPA Flexibility and for Europe and, depending on applicable emission standards, may be introduced in other regulated jurisdictions. Nonroad engines less than 19 kW (25 hp) are not currently subject to EU 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.