Power Rating
| Maximum Power | 108.6 HP 81 kW |
| Rated Speed | 2200 rpm 2200 rpm |
| Minimum Power | 81.8 HP 61 kW |
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Industrial Diesel Power Units C4.4
Request A Price Find DealerKey Specs
- Maximum Power
- 108.6 HP
- 81 kW
- Emissions
- UN ECE R96 Stage IIIA
- UN ECE R96 Stage IIIA
- Rated Speed
- 2200 rpm
- 2200 rpm
Overview
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.
Features At A Glance
Reliable, Quiet and Durable Power
Fuel Efficiency
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
Product Specifications for C4.4
Emission Standards
| Emissions | UN ECE R96 Stage IIIA UN ECE R96 Stage IIIA |
General
| Engine Configuration | Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel |
| Bore | 4.1 in 105 mm |
| Stroke | 5 in 127 mm |
| Displacement | 268.5 in³ 4.4 l |
| Compression Ratio | 18.2:1 18.2:1 |
| Aspiration | Turbocharged (T) Turbocharged (T) |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Aftertreatment | - - |
Power Unit Dimensions
| Length | 49.6 in 1260 mm |
| Width | 28.9 in 734 mm |
| Height | 38 in 964 mm |
| Weight | 1025 lb 465 kg |
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
See how C4.4 compares against frequently compared products.
Industrial
C4.4
Selected
- Maximum Power
- 108.6 HP
- 81 kW
- Emissions
- UN ECE R96 Stage IIIA
- UN ECE R96 Stage IIIA
- Rated Speed
- 2200 rpm
- 2200 rpm
Industrial
C32
- Maximum Power
- 1000 HP
- 746 kW
- Maximum Torque
- 3825 lb-ft @ 1200 rpm
- 5186 Nm @ 1200 rpm
- Emissions
- U.S. EPA Tier 4 Final and EU Stage V
- U.S. EPA Tier 4 Final and EU Stage V
Industrial
C4.4
- Maximum Power
- 129.4 HP
- 96.5 kW
- Emissions
- China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
- China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
- Rated Speed
- 2200 rpm
- 2200 rpm
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