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Overview

Providing reliable energy solutions, our C4.4 diesel generator sets are made to meet your standby and prime applications. Dedicated single phase and three phase models are available. All standby C4.4 generator sets are supplied with 4 years extended service coverage as standard. We’ve designed each to ISO 8528-5 transient response requirements. C4.4 generator sets are available with a choice of emissions levels from non regulated to EU Stage II emissions compliant. We offer easy-to-use Cat control panels, EMCP 4.1 or EMCP 4.2 options. Browse a broad range of accessories including galvanised sound attenuated enclosures and integral fuel tanks. Our C4.4 generator sets are made for demands, so you can make yours.

Generator Set Specifications

Units:
Minimum Rating 36 ekW 36 ekW Less
Maximum Rating 100 ekW 100 ekW Less
Voltage 220-480 Volts 220-480 Volts Less
Frequency 60 Hz 60 Hz Less
Speed 1800 RPM 1800 RPM Less

Generator Set Configurations

Emissions/Fuel Strategy Non Regulated, EU Stage II Non Regulated, EU Stage II Less

Engine Specifications

Engine Model C4.4, In-line 4, 4-cycle diesel C4.4, In-line 4, 4-cycle diesel Less
Compression Ratio 18.2:1 18.2:1 Less
Governor Type Adem™A4 Adem™A4 Less
Fuel System Electronic (adjustable) Electronic (adjustable) Less
Bore 4.13 in 105.0 mm Less
Displacement 268.5 in 4.4 L Less
Stroke 5.0 in 127.0 mm Less

Cat™ Diesel Engine

  • Reliable, rugged, durable design
  • Field-proven in thousands of applications worldwide
  • Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight
  • Generator

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    Seismic Certification

  • Seismic Certification available.
  • Anchoring details are site specific, and are dependent on many factors such as generator set size, weight, and concrete strength.
  • IBC Certification requires that the anchoring system used is reviewed and approved by a Professional Engineer
  • Seismic Certification per Applicable Building Codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007, CBC 2010
  • Pre-approved by OSHPD and carries an OSP-0321-10 for use in healthcare projects in California
  • Design Criteria

    The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

    UL 2200 / CSA - Optional

  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.
  • Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    World Wide Product Support

    Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

    C4.4 (60 Hz)Standard Equipment

    Air Inlet
    • Air Cleaner

    Cooling
    • Package mounted radiator

    Exhaust
    • Exhaust flange outlet

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

    Generator
    • Matched to the performance and output characteristics of Cat engines
    • Load adjustment module provides engine relief upon load impact and improves load acceptance and recovery time
    • IP23 Protection

    Power Termination
    • Bus Bar

    Control Panel
    • EMCP 4 Genset Controller

    Mounting
    • Rubber vibration isolators

    Starting/Charging
    • 24 volt starting motor
    • Batteries

    General
    • Paint - Caterpillar Yellow except rails and radiators gloss black

    C4.4 (60 Hz)Optional Equipment

    Exhaust
    • Industrial, Residential, Critical Mufflers

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

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

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

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

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

    Precision Sizing at Your Fingertips.

    Caterpillar Electric Power is excited to introduce you to our latest generator set sizing software, Cat® Electric Power SpecSizer. Considering factors such as site conditions, load characteristics and required performance, SpecSizer provides accurate and timely technical data, robust load models and optimized algorithms to assist in specifying a properly sized generator set to best meet your power needs.

    Learn More

    Power Systems Technical Information Portal

    Find product comparisons, technical data, product sizing and more using our technical information portal specifically created for consultants, architects, engineers, and owners.

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