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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 up to EU Stage IIIA 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 50.0 kVA 50.0 kVA Less
Maximum Rating 110.0 kVA 110.0 kVA Less
Voltage 110 to 480 Volts 110 to 480 Volts Less
Frequency 50 Hz 50 Hz Less
Speed 1500 RPM 1500 RPM Less

Generator Set Configurations

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

Engine Specifications

Engine Model Cat® C4.4 Cat® C4.4 Less
Compression Ratio 16.2:1, 17.25:1, 18.2:1 or 18.3:1 16.2:1, 17.25:1, 18.2:1 or 18.3:1 Less
Governor Type Mechanical Mechanical Less
Fuel System Direct Injection or Common Rail Direct Injection or Common Rail Less
Displacement 268.5 in³ 4.4 L Less
Bore 4.1 in 105.0 mm 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
  • 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.

    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.
  • CE Certification

    CE Certification 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 Cat® S•O•SSM program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.

    General

  • Single wall 8 hour wide fuel tank
  • Circuit breaker, IEC, 3 pole
  • Industrial Silencer (10dBA)
  • C4.4 (50 Hz) Standard Equipment

    Air Inlet System
    • Air cleaner

    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 Control panel

    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
    • Batteries

    General
    • Engine and alternator pre-paint, Caterpillar Yellow

    C4.4 (50 Hz) 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
    • 4 Pole circuit reaker to 400A
    • 4 Pole circuit reaker to 630A

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

    Control Panel Options
    • Volt free contacts
    • Speed 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)
    • External single point lift - CAE rental option only
    • Rental pack - CAE rental option only
    • CEE form sockets - CAE rental option only
    • Socket blanking plate - CAE rental option only

    European Certifications
    • Upgrade to STD set for CE

    Fuel System Accessories
    • Open set narrow base
    • Compact skidbase for open set
    • Skidbase for CALG enclosure sets
    • DEFRA bunded fuel tank
    • Low fuel level shutdown
    • Low fuel level alarm
    • High fuel level alarm

    Global Certifications
    • Certificaiton for CIS

    Mounting Options
    • Electronic governor
    • Battery removal
    • Industrial silencer
    • Silencer installation kit

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

    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