The Cat® C6.6 Industrial Power Unit is offered in ratings ranging from 129.5-168 bkW (173.7-225.3 bhp) @ 1800-2500 rpm. These ratings meet U.S. EPA Tier 3 equivalent, EU Stage IIIA 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.
| Power Rating | |
| Maximum Power | 225.3 hp |
| Rated Speed | 2200 rpm |
| Minimum Power | 174 hp |
| Emission Standards | |
| Emissions | U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent |
| General | |
| Engine Configuration | Inline 6, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in |
| Stroke | 5 in |
| Displacement | 402.8 in³ |
| Compression Ratio | 16.2:1 |
| Aspiration | Turbocharged Aftercooled (TA) |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | - |
| Power Unit Dimensions | |
| Length | 67.2 in |
| Width | 30.2 in |
| Height | 45 in |
| Weight | 1563 lb |