< 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.

Design Criteria

The generator set accepts 100% rated load in one step per NFPA 110 and meets ISO 8528-5 transient response.

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
  • Cat EMCP Control Panel

    The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4 systems can be further customized to meet your needs through programming and expansion modules.

    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

    Seismic Certification

  • Seismic Certification available.
  • Anchoring details are site specific, and are dependent on many factors such as generator set size, weight, and concrete strength.
  • IBC Certification requires that the anchoring system used is reviewed and approved by a Professional Engineer
  • Seismic Certification per Applicable Building Codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007, CBC 2010
  • Pre-approved by OSHPD and carries an OSP-0321-10 for use in healthcare projects in California
  • UL 2200 / CSA - Optional

  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.
  • Overview

    The C18 diesel generator sets have been developed for your mission critical, standby and prime applications. Producing reliable power from 455 to 600 ekW at 60 Hz, each generator set has been designed to meet ISO 8528-5 transient response requirements and built to accept 100 percent rated load in one step. Our C18 generator sets range from low fuel consumption systems to EPA Stationary Emergency (Tier 2) certified. Seismic certification is also available for select models, so you can deliver power despite disturbances. Our integrated control system, including ATS and switchgear ensure a consistent power supply and connection to your fleet through on-site and remote monitoring options. We offer a wide range of EMCP 4 control panel options, with a simple screen display, consolidating all your management and diagnostics tools. The optional EMCP 4.4 provides multi generator set paralleling capability, allowing you to use multiple generator sets for increased power output and improved reliability. It's not just quality that matters but customization, choose from a broad range of accessories and bolt-on system expansion attachments. Discover our upgradeable packaging options to work with your spatial restrictions and environmental conditions. Our C18 generator sets are developed for such prerequisites, so that you can meet your specific power needs. Build in additional safety features with the UL 2200 and CSA certified package options.

    Generator Set Configurations

    Units:
    Emissions/Fuel Strategy Low Fuel Consumption Low Fuel Consumption Less

    Engine Specifications

    Engine Model C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel Less
    Bore 145 mm (5.71 in) 145 mm (5.71 in) Less
    Displacement 18.13 L (1106.36 in3) 18.13 L (1106.36 in3) Less
    Stroke 183 mm (7.2 in) 183 mm (7.2 in) Less
    Compression Ratio 14.5:1 14.5:1 Less
    Aspiration Air to Air Aftercooled Air to Air Aftercooled Less
    Governor Type Adem™A4 Adem™A4 Less
    Fuel System Electronic unit injection Electronic unit injection Less

    Generator Set Specifications

    Minimum Rating 455 ekW 455 ekW Less
    Maximum Rating 600 ekW 600 ekW Less
    Voltage 208 to 600 Volts 208 to 600 Volts Less
    Frequency 60 Hz 60 Hz Less
    Speed 1800 RPM 1800 RPM Less
    Height - Maximum 107.8 in 2737.0 mm Less
    Length - Maximum 218.5 in 5550.0 mm Less
    Width - Maximum 80.9 in 2056.0 mm Less

    C18 (60 Hz) Standard Equipment

    Air Inlet System
    • Light duty air cleaner
    • Aftercooler core
    • Turbocharger

    Control System
    • EMCP 4.2

    Cooling
    • Radiator and cooling fan with guard
    • Coolant drain line with valve
    • Fan drive, battery charging alternator drive
    • Caterpillar extended life coolant

    Exhaust System
    • Stainless steel exhaust flex gaskets, raincap and SAE exhaust flange for customer use; shipped loose

    Fuel System
    • Standard 8 hour open set fuel tank

    Generator and Attachments
    • Matched to the performance and output characteristics of Cat engines
    • A frame generator - IP21 protection
    • Integrated Voltage Regulator
    • Integrated Voltage Regulator
    • Power center, IP22
    • Segregated low voltage (AC/DC) wiring panel
    • Mandatory Option circuit breaker, IEC, 3 pole, mounted in power centre

    Governing System
    • Cat Electronic Governor (ADEM A4)

    Lube System
    • Lubricating oil
    • Oil drain valves

    Mounting System
    • Captive linear vibration isolators between base and engine-generator. includes lifting provisions and termination points for coolant and lube oil drain lines

    Starting/Charging
    • 24 Volt battery with rack and cables

    General
    • Engine and alternator pre-paint, Caterpillar yellow

    C18 (60 Hz) Optional Equipment

    Air Inlet System
    • Single element air cleaner
    • Dual element air cleaner

    Circuit Breakers
    • 3 Pole (IEC-100% rated) circuit breakers - Package mounted
    • 4 Pole (IEC-100% rated) circuit breakers - Package mounted
    • 3 Pole (IEC-100% rated) circuit breakers - Motorised
    • 4 Pole (IEC-100% rated) circuit breakers - Motorised
    • Circuit breaker (IEC) auxiliary contacts
    • Shunt trip for IEC breaker
    • Pad-lockable circuit breaker device
    • Power terminal strip

    Control System
    • EMCP 4.4
    • Volt free contact
    • Local alarm horn
    • Oil temperature displays
    • Protective devices: Earth fault relay - earth leageage ground fault relay - Overload shutdown via breaker - Low fuel level alarm - Low fuel level shutdown - high fuel level alarm - Fuel level sensor
    • Local alarm modules
    • Remote annunciator modules

    Cooling System
    • Radiator duct flange
    • Low coolant temperature alarm

    Enclosures
    • Sound attenuated enclosures

    Exhaust System
    • Engine mounted muffler
    • 10, 25 and 35 end in / end out Mufflers
    • 8 and 10 inch GP flanges
    • 8 and 10 inch elbow kits
    • Manifold and Turbocharger guard

    Fuel System
    • Integral - Duel wall fuel tank base
    • Manual fuel transfer pump
    • Fuel transfer system

    Generator and Attachments
    • Ingress protection
    • Permanent magnet excitation
    • Space heaters
    • A frame oversize generator
    • A frame CIP generator
    • LC frame generator
    • LC frame oversize generators
    • LC frame CIP generator

    Lube System
    • Manual sump pump

    Starting and Charging
    • 5 Amp battery charger
    • Battery disconnect switch
    • Jacket water heaters