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The Cat® C4.4 Industrial Power Unit is offered in ratings ranging from 74.5-129.4 bkW (100-173.5 bhp) @ 2200 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. Tier 4 Interim Equivalent and Stage IIIB Equivalent ratings are also available using Flex options. 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.
Maximum Power | 173.5HP |
Maximum Torque | 553.2lb-ft @ 1400 rpm |
Rated Speed | 2200 rpm |
Minimum Power | 100HP |
Emissions | U.S. EPA Tier 4 Final |
Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel |
Bore | 4.1in |
Stroke | 5in |
Displacement | 268.5in³ |
Compression Ratio | 16.0:2 |
Aspiration | Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA) |
Rotation from Flywheel End | Counterclockwise |
Aftertreatment | DOC+DPF+SCR |
Length | 56.4in |
Width | 32.3in |
Height | 45.3in |
Weight | 1543lb |
Width | 27.4in |
Height | 16.9in |
Weight | 176lb |
Diameter | 10.6in |
Air Inlet System |
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Control System |
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Cooling System |
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Flywheels And Flywheel Housing |
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Fuel System |
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Lube System |
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Power Take Off |
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General |
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U.s. Epa Tier 4 Final, Eu Stage Iv Aftertreatment / Clean Emissions Control Equipment |
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U.s. Epa Tier 4 Interim, Eu Stage Iiib Aftertreatment / Clean Emissions Control Equipment |
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