The Cat® C4.4 Industrial Power Unit is offered in ratings ranging from 61-81 bkW (81.8-108.6 bhp) @ 2200 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.
Emissions | U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent | More |
Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel | More |
Bore | 105 mm (4.1 in) 105 mm (4.1 in) | More |
Stroke | 127 mm (5.0 in) 127 mm (5.0 in) | More |
Displacement | 4.4 L (268.5 in³) 4.4 L (268.5 in³) | More |
Aspiration | Turbocharged (T) Turbocharged (T) | More |
Compression Ratio | 18.2:1 18.2:1 | More |
Combustion System | Direct Injection Direct Injection | More |
Rotation from Flywheel End | Counterclockwise Counterclockwise | More |
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.