C4.4
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.
Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOSSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
Documents & Brochures
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
Additional information
| Offering Type | |
|---|---|
| Power Rating - Maximum Power | 81 kW ( 108.6 HP ) |
| Power Rating - Rated Speed | 2200 rpm |
| Power Rating - Minimum Power | 61 kW ( 81.8 HP ) |
| Emission Standards - Emissions | UN ECE R96 Stage IIIA |
| General - Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel |
| General - Bore | 105 mm ( 4.1 in ) |
| General - Stroke | 127 mm ( 5 in ) |
| General - Displacement | 4.4 l ( 268.5 in³ ) |
| General - Compression Ratio | 18.2:1 |
| General - Aspiration | Turbocharged (T) |
| General - Rotation from Flywheel End | Counterclockwise |
| General - Aftertreatment | – |
| Power Unit Dimensions - Length | 1260 mm ( 49.6 in ) |
| Power Unit Dimensions - Width | 734 mm ( 28.9 in ) |
| Power Unit Dimensions - Height | 964 mm ( 38 in ) |
| Power Unit Dimensions - Weight | 465 kg ( 1025 lb ) |
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