< Back

View Product Downloads
Yes, I would like to receive future marketing communications (such as email) from Caterpillar Inc., its affiliates and subsidiaries worldwide and the Caterpillar dealer network. Regardless of whether you decide to receive these marketing communications, Caterpillar will continue to send service/transactional messages, including those that have to do with any accounts that you may have with us.

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

Cooling System
  • Coolant drain line with valve
  • Fan drive, battery charging alternator drive
  • Caterpillar extended life coolant
  • EMCP 4.1

Control Panel
  • Radiator and cooling fan with guards

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

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

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
  • Coolant heater
  • Low coolant temp alarm

Cooling System
  • Sound attenuated Level 2 enclosure
  • Sound attenuated Level 1 (galv)
  • Rental pack - CAE rental option only

Control Panel Options

Enclosures
  • Upgrade to STD set for CE
  • Open set narrow base
  • Compact skidbase for open set

European Certifications

Fuel System
  • Skidbase for CALG enclosure sets
  • Bunded fuel tank
  • Low fuel level shutdown
  • Low fuel level alarm
  • High fuel level alarm
  • Certification for CIS
  • Electronic governor

Global Certifications

Mounting Options
  • Battery removal
  • External single point lift - enclosure
  • Industrial silencer
  • Silencer installation kit
  • PGS test report @ 1.0 power factor

Special Packing/Inspectons for Shipment

General - Accessories / Miscellaneous
  • Stone guards / rad trans flange
  • Packing case - compact set
  • Packing case - canopied 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.
  • 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)
  • Precision Sizing at Your Fingertips.

    Caterpillar Electric Power is excited to introduce you to our latest generator set sizing software, Cat® Electric Power SpecSizer. Considering factors such as site conditions, load characteristics and required performance, SpecSizer provides accurate and timely technical data, robust load models and optimized algorithms to assist in specifying a properly sized generator set to best meet your power needs.

    Learn More

    Power Systems Technical Information Portal

    Find product comparisons, technical data, product sizing and more using our technical information portal specifically created for consultants, architects, engineers, and owners.

    Learn More