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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 | 108.6 HP |
| Rated Speed | 2200 rpm |
| Minimum Power | 81.8 HP |
| Emission Standards | |
| Emissions | UN ECE R96 Stage IIIA |
| General | |
| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in |
| Stroke | 5 in |
| Displacement | 268.5 in³ |
| Compression Ratio | 18.2:1 |
| Aspiration | Turbocharged (T) |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | - |
| Power Unit Dimensions | |
| Length | 49.6 in |
| Width | 28.9 in |
| Height | 38 in |
| Weight | 1025 lb |
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
Standard Equipment:
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- Air Inlet System
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- Mounted air filter and turbocharger
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- Control System
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- Available in 12 volt or 24 volt systems
- Starter motor 12V or 24V
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- Cooling System
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- Fan (pusher or puller)
- Fan drive
- Radiator
- Water pump
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- Flywheels And Flywheel Housing
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- Flywheel
- SAE No. 3 flywheel housing
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- Fuel System
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- Fuel filter
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- Lube System
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- Oil cooler
- Lube oil filter
- Timing case oil filler
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- Mountings
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- Engine mounting brackets
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- Power Take Off (pto)
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- SAE A or SAE B front PTO (142/280 NM)
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- General
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- Paint: Caterpillar yellow, with optional colors available at request
