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C4.4 Generator Set

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 100 ekW
    Emissions/Fuel Strategy Non Regulated, EU Stage II
    Voltage 220 to 480 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)

    Standard Equipment

    • Air Inlet System
      • Air cleaner; light duty with disposable element
    • Cooling System
      • Radiator and cooling fan with guards
      • Coolant drain line with valve
      • Fan drive, battery charging alternator drive
      • Caterpillar extended life coolant
    • 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
    • Generator
      • 12 leads
      • IP23 protection
      • Voltage regulator (single phase sensing)
      • Tower panel, IP22, bottom cable entry
      • Segregated low voltage (AC/DC) wiring panel
      • Circuit breaker, IEC, 3 pole, mounted in tower panel
    • Governing System
      • Mechanical and electrical governing system – model dependent
    • Lube System
      • Lubricating oil
      • Oil drain line with valve
    • 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
    • Starting/Charging System
      • 24V battery with rack and cables
    • General
      • Engine and alternator pre-paint, Caterpillar yellow

    Optional Equipment

    • Alternator System
      • R frame auxilliary winding
      • LC frame alternator
      • LC frame alternator with coastal insulation protection
      • Permanent magnet
      • 3 phase sensing
      • Quadrature droop kit
      • Anti-condensation heater
    • Circuit Breakers
      • Circuit Breaker Upgrades – 4 Pole circuit reaker to 250A, 400A and 630 A
    • Cooling System
      • Coolant heater
      • Low coolant temp alarm
      • Low coolant level shutdown
    • Control Panel Options
      • EMCP 4.2
      • Volt free contacts
      • Speed adjust potentiometer
      • Voltage adjust potentiometer
      • Panel mounted audible alarm
      • Earth fault (2 wire only)
      • Earth leakage (2 wire only)
      • Overload shutdown via breaker
      • Battery charger
      • Emergency stop with key
      • Control panel heater
    • Enclosures
      • 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
      • Open set narrow base
      • Compact skidbase for open set
      • Skidbase for CALG enclosure sets
      • Bunded fuel tank
      • Low fuel level shutdown
      • Low fuel level alarm
      • High fuel level alarm
    • Global Certifications
      • Certification for CIS
    • Mounting Options
      • Electronic governor
      • Battery removal
      • External single point lift – enclosure
      • Industrial silencer
      • Silencer installation kit
    • Special Packing/Inspectons for Shipment
      • PGS test report @ 1.0 power factor
      • PGS test report @ 0.8 power factor
    • General – Accessories / Miscellaneous
      • Stone guards / rad trans flange
      • Packing case – compact set
      • Packing case – canopied set

    Enquiry Form