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Cat® C4.4 ACERT™ Industrial Power Unit

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.

Cat® C4.4 ACERT™ Industrial Power Unit - Specifications

Power Rating
Maximum Power
173.5 HP
129.4 kW
Maximum Torque
553.2 lb-ft @ 1400 rpm
750 Nm @ 1400 rpm
Rated Speed
2200 rpm
Minimum Power
100 HP
74.5 kW
Emission Standards
Emissions
U.S. EPA Tier 4 Final
General
Engine Configuration
Inline 4, 4-Stroke-Cycle Diesel
Bore
4.1 in
105 mm
Stroke
5 in
127 mm
Displacement
268.5 in³
4.4 l
Compression Ratio
16.0:2
Aspiration
Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Rotation from Flywheel End
Counterclockwise
Aftertreatment
DOC+DPF+SCR
Power Unit Dimensions
Length
56.4 in
1433 mm
Width
32.3 in
820 mm
Height
45.3 in
1150 mm
Weight
1543 lb
700 kg
Aftertreatment Dimensions
Width
27.4 in
695 mm
Height
16.9 in
430 mm
Diameter
10.6 in
270 mm
Weight
176 lb
80 kg