CAT® C4.4 ACERT™ INDUSTRIAL POWER UNIT
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. These ratings meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards. Additional configurations are available to meet U.S. EPA Tier 4 Final, EU Stage IV 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.
SPECIFICATIONS
Minimum Power74.5 bkW
Maximum Power129.4 bkW
Rated Speed2200 rpm
power rating
Minimum Power74.5 bkW
Maximum Power129.4 bkW
Rated Speed2200 rpm
emission standards
EmissionsU.S. EPA Tier 4 Interim, EU Stage IIIB
general
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore105 mm (4.1 in)
Stroke127 mm (5.0 in)
Displacement4.4 L (268.5 in³)
AspirationTurbocharged Aftercooled (TA) or Twin Turbocharged Aftercooled (TTA)
Compression Ratio16:2
Rotation (from flywheel end)Counterclockwise
Cooling System Capacity9-9.4 L (8.2-8.5 qt)
Lube System (refill)5.2-13.5 L (5.5-14.27 qt)
power unit dimensions approximate final dimensions dependent on selected options
Length1433 mm (56.4 in)
Width795-820 mm (31.3-32.3 in)
Height1126-1150 mm (44.3-45.3 in)
Weight - Approximate, Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C)670-700 kg (1477-1543 lb)
aftertreatment dimensions approximate final dimensions dependent on selected options
Diameter244.9-270.3 mm (9.6-10.6 in)
Width365 mm (14.3 in)
Height279-300.5 mm (11-11.8 in)
Weight34-37 kg (75-81.6 lb)
C4.4 ACERT™ STANDARD EQUIPMENT
- air inlet system
Standard air cleaners - control system
Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines - cooling system
Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
50:50 water glycol mix
Guidance on cooling system design available through your dealer to ensure equipment reliability - flywheels and flywheel housing
Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations - fuel system
Electronic high pressure common rail
ACERT™ Technology
Innovative filter design to ensure maximum protection of the engine - lube system
Wide choice of sumps for different applications - power take off
SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available. - general
Available with or without a balancer
Paint: Caterpillar yellow, with optional colors available at request - us epa tier 4 interim eu stage iiib aftertreatment clean emissions control equipment
Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
No ash service requirement
Passive regeneration