C4.4 ACERT™

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Overview

The Cat® C4.4 ACERT™ 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.

Power Rating

Units:
Minimum Power 100.0 BHP 74.5 bkW Less
Maximum Power 173.5 BHP 129.4 bkW Less
Rated Speed 2200 rpm 2200 rpm Less

Emission Standards

Emissions U.S. EPA Tier 4 Final, EU Stage IV U.S. EPA Tier 4 Final, EU Stage IV Less

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.1 in) 105 mm (4.1 in) Less
Stroke 127 mm (5.0 in) 127 mm (5.0 in) Less
Displacement 4.4 L (268.5 in³) 4.4 L (268.5 in³) Less
Aspiration Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA) Turbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA) Less
Compression Ratio 16:2 16:2 Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Cooling System - Capacity 9-9.4 L (8.2-8.5 qt) 9-9.4 L (8.2-8.5 qt) Less
Lube System - Refill 5.2-13.5 L (5.5-14.27 qt) 5.2-13.5 L (5.5-14.27 qt) Less

Power Unit Dimensions - Approximate

Height 1126-1150 mm (44.3-45.3 in) 1126-1150 mm (44.3-45.3 in) Less
Length 1433 mm (56.4 in) 1433 mm (56.4 in) Less
Weight - Approximate, Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C 670-700 kg (1477-1543 lb) 670-700 kg (1477-1543 lb) Less
Width 795-820 mm (31.3-32.3 in) 795-820 mm (31.3-32.3 in) Less

Aftertreatment Dimensions - Approximate

Diameter 244.9-270.3 mm (9.6-10.6 in) 244.9-270.3 mm (9.6-10.6 in) Less
Height 279-430 mm (11-16.9 in) 279-430 mm (11-16.9 in) Less
Weight 34-80 kg (75-176.4 lb) 34-80 kg (75-176.4 lb) Less
Width 365-695 mm (14.3-27.4 in) 365-695 mm (14.3-27.4 in) Less