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C4.4 Generator Set

  • Overview
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Design Criteria

  • The generator set is designed to meet ISO8528-5 transient response and NFPA 110.
  • Cooling system designed to operate in 50˚C / 122˚F ambient temperatures with an air flow restriction of 0.5 in. water.
  • 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
  • IP 23 Protection
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. The EMCP 4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP 4 systems can be further customized to meet your needs through programming and expansion modules. The EMCP4.1 is fitted as standard.

    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

    CE Certification

    CE Certification available


  • Single wall 8 hour wide fuel tank
  • Circuit breaker, IEC, 3 pole
  • Industrial Silencer (10dBA)
  • Generator Set Specifications
    Minimum Rating 36 ekW
    Maximum Rating 60 ekW
    Emissions/Fuel Strategy U.S. EPA Certified for Stationary Emergency Use Only (Tier 3 Nonroad Equivalent Emission Standards)
    Voltage 208 to 600 Volts
    Frequency 60 Hz
    Speed 1800 rpm
    Duty Cycle Standby, Prime
    Engine Specifications
    Engine Model C4.4, In-line 4, 4-cycle diesel
    Bore 105 mm (4.13 in)
    Stroke 127 mm (5 in)
    Displacement 4.4 l (268.5 in)
    Compression Ratio 18.2:1
    Aspiration Turbocharged
    Fuel System Electronic (adjustable)
    Governor Type Adem™A4
    Generator Set Dimensions
    Length - Maximum 1925 mm (75.8 in)
    Width - Maximum 1120 mm (44.1 in)
    Height - Maximum 1361 mm (53.6 in)

    Optional Equipment

    • Certificates
      • IBC Seismic and Wind Certifications
    • Air Inlet System
      • Cartridge type air filter
    • Charging System
      • NFPA battery charger UL10A 120VAC
    • Circuit Breakers
      • 3-Pole 100% rated
      • Breakers (100% UL rated)
      • Second circuit breaker box
      • Power perminal strips
    • Control Panels
      • NFPA110 bundle includes:
      • FSS low fuel level alarm & indication panel circuitry required when sub-base tank is selected
      • WSS1 Low coolant level shut down
      • WCA1 Low coolant temperature alarm
      • PAA1 Panel mounted audible alarm
      • PBC10NU NFPA Battery Charger
      • A coolant heater, remote annunciator or 0.8 power factor test may be required depending on the application
      • Oil temperature guage and sender
      • Audible alarm
      • Ground fault relay
      • Discrete I/O module
      • Remote E-stop button
      • Volt free contacts genset run and common alarm
      • Remote annunciator
      • Protective devices:
      • Low coolant temperature alarm
      • Low coolant level shutdown
      • Fuel level reading
      • Overload shutdown via breaker
    • Cooling System
      • Radiator stone guard
      • Radiator transition flange
    • Enclosures
      • Weatherproof enclosure
      • Sound attenuated enclosure, level 1
      • Sound attenuated enclosure, level 2
      • Panel viewing window
      • External emergency stop
    • Heating Elements
      • Coolant heater
      • Jacket water heater
      • Anti-condensation heater
      • Battery heater
      • Lube oil sump heater
      • Wiring for canopy space heater
    • Exhaust System
      • 10, 25 and 35 dBA silencer systems
      • Overhaed silencer mounting kit
    • Fuel System
      • 209 and 394 gallon sub-base fuel tanks
      • 5 gallon fill containment
      • 5 gallon spill containment
      • Emergency vent pipe
      • Tank riser
    • Generators
      • Permanent magnet generator
    • Mounting System
      • Seismic vibration isolators
    • Tests
      • Generator test report
      • PGS test report @ 1.0 power factor
      • PGS test report @ 0.8 power factor
      • 4 Hour factory test

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