Industrial Diesel Power Units C4.4

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Key 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.

Product Specifications for C4.4

Maximum Power 108.6 HP 81 kW
Rated Speed 2200 rpm 2200 rpm
Minimum Power 81.8 HP 61 kW
Emissions UN ECE R96 Stage IIIA UN ECE R96 Stage IIIA
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 - -
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

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