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
Maximum Power |
81 kW |
Rated Speed |
2200 rpm |
Minimum Power |
61 kW |
Emission Standards
Emissions |
UN ECE R96 Stage IIIA |
General
Engine Configuration |
Inline 4, 4-Stroke-Cycle Diesel |
Bore |
105 mm |
Stroke |
127 mm |
Displacement |
4.4 l |
Compression Ratio |
18.2:1 |
Aspiration |
Turbocharged (T) |
Rotation from Flywheel End |
Counterclockwise |
Aftertreatment |
- |
Power Unit Dimensions
Length |
1260 mm |
Width |
734 mm |
Height |
964 mm |
Weight |
465 kg |
Air Inlet System
Mounted air filter and turbocharger
Mounted air filter and turbocharger
Control System
Available in 12 volt or 24 volt systems
Starter motor 12V or 24V
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
Fuel filter
Lube System
Oil cooler
Lube oil filter
Timing case oil filler
Mountings
Engine mounting brackets
Engine mounting brackets
Power Take Off (PTO)
SAE A or SAE B front PTO (142/280 N?M)
SAE A or SAE B front PTO (142/280 N?M)
General
Paint: Caterpillar yellow, with optional colors available at request