Diesel Generator Sets C4.4 (60 Hz) 36 - 100 ekW Diesel Generator Set

C4.4 (60 Hz)

Features At A Glance

Cat Generator Set Package
Cat Diesel Engine
R-Frame Alternator
EMCP Control Panel
Cooling System
One Safe Source
World Wide Product Support

Product Specifications for C4.4 (60 Hz)

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Generator Set Specifications

Engine Specifications

Generator Set Dimensions

C4.4 (60 Hz) Standard Equipment

Air Inlet System

  • Air cleaner; light duty with disposable element

Air Inlet

  • Air Cleaner


  • Package mounted radiator

Cooling System

  • Fan drive, battery charging alternator drive
  • Radiator and cooling fan with guards
  • Coolant drain line with valve
  • Caterpillar extended life coolant


  • Exhaust flange outlet

Control Panel

  • EMCP 4.1

Exhaust System

  • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose

Fuel System

  • Standard open set fuel tank / base supplied base, formed steel with single wall integral 8-hour fuel tank


  • Secondary fuel filter
  • Primary fuel filter with integral water separator
  • Fuel priming pump


  • Segregated low voltage (AC/DC) wiring panel
  • Voltage regulator (single phase sensing)
  • Matched to the performance and output characteristics of Cat engines
  • 12 Leads
  • Load adjustment module provides engine relief upon load impact and improves load acceptance and recovery time
  • Circuit breaker, IEC, 3 pole, mounted in tower panel
  • Tower panel, IP22, bottom cable entry
  • IP23 protection

Governing System

  • Mechanical and electrical governing system - model dependent

Lube System

  • Lubricating oil
  • Oil drain line with valve

Power Termination

  • Bus Bar

Mounting System

  • Captive linear vibration isolators between base and engine-generator
  • Includes lifting provision and drag points
  • Termination points for coolant and lube oil drain lines


  • Rubber vibration isolators

Starting/Charging System

  • 24V battery with rack and cables


  • Paint - Caterpillar Yellow except rails and radiators gloss black
  • Engine and alternator pre-paint, Caterpillar yellow


  • 24 volt starting motor
  • Batteries

C4.4 (60 Hz) Optional Equipment


  • Industrial, Residential, Critical Mufflers


  • Excitation: [ ] Permanent Magnet Excited (PM) [ ] Internally Excited (IE)
  • Oversize and premium generators
  • Anti-condensation heater

Alternator System

  • 3 phase sensing
  • Permanent magnet
  • R frame auxilliary winding
  • Quadrature droop kit
  • LC frame alternator with coastal insulation protection

Circuit Breakers

  • Circuit Breaker Upgrades - 4 Pole circuit reaker to 250A, 400A and 630 A

Power Termination

  • Circuit breakers, IEC compliant
  • Circuit breakers, UL listed

Control Panels

  • EMCP (4.2) (4.3) (4.4)
  • Load share module
  • Digital I/O module
  • Remote monitoring software
  • Local & remote annunciator modules

Cooling System

  • Coolant heater
  • Low coolant level shutdown
  • Low coolant temp alarm

Control Panel Options

  • Earth fault (2 wire only)
  • EMCP 4.2
  • Volt free contacts
  • Emergency stop with key
  • Battery charger
  • Panel mounted audible alarm
  • Control panel heater
  • Speed adjust potentiometer
  • Voltage adjust potentiometer
  • Earth leakage (2 wire only)
  • Overload shutdown via breaker


  • Jacket water heater
  • Charging alternator
  • Heavy-duty starting system
  • Battery chargers
  • Oversize batteries


  • Sound attenuated Level 2 enclosure
  • Sound attenuated Level 1 (galv)
  • Rental pack - CAE rental option only

European Certifications

  • Upgrade to STD set for CE

Fuel System

  • Compact skidbase for open set
  • Low fuel level alarm
  • Low fuel level shutdown
  • Bunded fuel tank
  • Open set narrow base
  • Skidbase for CALG enclosure sets
  • High fuel level alarm


  • Single or dual wall sub-base fuel tanks
  • EU Certificate of Conformance (CE)
  • CSA Certification
  • Single or dual wall integral fuel tanks
  • Automatic transfer switches (ATS)
  • Narrow, Wide or Skid Base
  • UL 2200 package
  • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
  • Sound attenuated, weather protective or high ambient weather protective enclosure
  • EEC Declaration of Conformity
  • Integral & sub-base fuel tanks

Global Certifications

  • Certification for CIS

Mounting Options

  • Battery removal
  • Electronic governor
  • Industrial silencer
  • Silencer installation kit
  • External single point lift - enclosure

Special Packing/Inspectons for Shipment

  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor

General - Accessories / Miscellaneous

  • Packing case - compact set
  • Stone guards / rad trans flange
  • Packing case - canopied set

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