CAT® C4.4 INDUSTRIAL POWER UNIT
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.
power rating
Minimum Rating61.0 bkW
Maximum Rating81.0 bkW
Rated Speed2200 rpm


emission standards
EmissionsU.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
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 (T)
Compression Ratio18.2:1
Combustion SystemDirect Injection
Rotation (from flywheel end)Counterclockwise
power unit dimensions approximate final dimensions dependent on selected options
Length1260 mm (49.6 in)
Width734 mm (28.9 in)
Height964 mm (38 in)
Weight - Net Dry (Standard configuration without oil, cooling, clutch, compressor, A/C)465 kg (1025 lb)
C4.4 STANDARD EQUIPMENT
- air inlet system
Mounted air filter and turbocharger - control system
Available in 12 volt or 24 volt systems
Starter motor 12V or 24V - cooling system
Fan (pusher or puller)
Fan drive
Radiator
Water pump - flywheels and flywheel housing
Flywheel
SAE No. 3 flywheel housing - fuel system
Fuel filter - lube system
Oil cooler
Lube oil filter
Timing case oil filler - mountings
Engine mounting brackets - power take off pto
SAE A or SAE B front PTO (142/280 NM) - general
Paint: Caterpillar yellow, with optional colors available at request