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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.

Cat Specs
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General

Bore
105 mm (4.1 in)
Stroke
127 mm (5.0 in)
Displacement
4.4 L (268.5 in³)
Combustion System
Direct Injection
Compression Ratio
18.2:1
Rotation from Flywheel End
Counterclockwise
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Aspiration
Turbocharged (T)

Power Rating

Minimum Rating
81.8 BHP
Maximum Rating
108.6 BHP
Rated Speed
2200 rpm

Emission Standards

Emissions
U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent

Power Unit Dimensions - Approximate

Length
1260 mm (49.6 in)
Height
964 mm (38 in)
Weight - Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C
465 kg (1025 lb)
Width
734 mm (28.9 in)