Electric Power Generation

C4.4 (60 Hz)

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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

C4.4 (60 Hz) Standard Equipment

Air Inlet System
  • Air cleaner; light duty with disposable element

Control Panel
  • EMCP4.1

Cooling System
  • Radiator and cooling fan with guards
  • Coolant drain line with valve
  • Fan drive, battery charging alternator drive
  • Caterpillar Extended Life Coolant

Exhaust System
  • Stub pipe, gaskets, raincap & 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

Generators and Attachments
  • 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 dependant

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
  • 12V Battery with rack & cables

General
  • Engine and alternator pre-paint, Caterpillar yellow

C4.4 (60 Hz) Optional Equipment

Alternator System
  • R frame auxilliary winding
  • Optional LC frame alternator
  • Optional LC frame alternator with coastal insulation protection
  • Permanent magnet
  • 3 Phase sensing
  • Quadrature droop kit
  • Anti-condensation heater

Certifications
  • Global certification for CIS
  • European certificate for upgrade to STD for CE

Circuit Breakers
  • 4 Pole Circuit breaker upgrades to 250A, 400A and 630A
  • Pad-lockable breaker device

Control Panels
  • 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

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

Enclosures
  • Sound attenuated level 2 enclosure
  • sount attenuated level 1 enclosure (galvanised)
  • Rental pack (CAE only)

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

Mounting Options
  • Electronic governor
  • Battery removal
  • External single point lift - enclosure
  • Residential silencer
  • Silencer installation kit

General
  • Stone guards / rad trans flange

Attachments

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.

    • Single-Source Supplier

    Fully prototype tested with certified torsional vibration analysis available

    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 Caterpillar S•O•S℠ 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)