Industrial

C4.4

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  • Technical Information
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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

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.

Power Rating

Units:
Minimum Rating 81.8 BHP 61.0 bkW Less
Maximum Rating 108.6 BHP 81.0 bkW Less
Rated Speed 2200 rpm 2200 rpm Less

Emission Standards

Emissions U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent Less

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.1 in) 105 mm (4.1 in) Less
Stroke 127 mm (5.0 in) 127 mm (5.0 in) Less
Displacement 4.4 L (268.5 in³) 4.4 L (268.5 in³) Less
Aspiration Turbocharged (T) Turbocharged (T) Less
Compression Ratio 18.2:1 18.2:1 Less
Combustion System Direct Injection Direct Injection Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less

Power Unit Dimensions - Approximate

Height 964 mm (38 in) 964 mm (38 in) Less
Length 1260 mm (49.6 in) 1260 mm (49.6 in) Less
Weight - Net Dry - Standard Configuration Without Oil, Cooling, Clutch, Compressor, A/C 465 kg (1025 lb) 465 kg (1025 lb) Less
Width 734 mm (28.9 in) 734 mm (28.9 in) Less

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