Electric Power Generation

C4.4 (60 Hz)

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Overview

Producing reliable power from 36 to 100 ekW at 60 Hz, our C4.4 diesel generator sets designed to ISO 8528-5 transient response requirements. All C4.4 to meet EPA Stationary Emergency (Tier 3) emissions standards.

Generator Set Specifications

Units:
Minimum Rating 36 ekW 36 ekW Less
Maximum Rating 100 ekW 100 ekW Less
Emissions/Fuel Strategy Non Regulated, EU Stage II Non Regulated, EU Stage II Less
Voltage 220 to 480 Volts 220 to 480 Volts Less
Frequency 60 Hz 60 Hz Less
Speed 1800 rpm 1800 rpm Less
Duty Cycle Standby, Prime Standby, Prime Less

Engine Specifications

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

Generator Set Dimensions

Length - Maximum 75.8 in 1925.0 mm Less
Width - Maximum 44.1 in 1120.0 mm Less
Height - Maximum 53.6 in 1361.0 mm Less

Attachments

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets other NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

    • 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

    • SR5 Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

    • EMCP Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

    • Cooling System

  • Designed to operate in standard ambient temperatures up to 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities

    • Certifications

    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

    One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system

    • World Wide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

    • C4.4 (60 Hz) 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
    • Coolant heater
    • Low coolant temp alarm
    • Low coolant level shutdown

    Control Panel
    • EMCP 4.1

    Exhaust System
    • Stub pipe, gaskets, raincap and SAE exhaust flange for customer use - shipped loose

    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

    C4.4 (60 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, 400A and 630 A

    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
    • Standard open set fuel tank / base supplied base, formed steel with single wall integral 8-hour fuel tank
    • 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

    Application Centre

    Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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    Why Choose Cat® Electric Power?

    Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

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