Electric Power Generation

C18 (50 Hz)

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Overview

The C18 diesel generator sets have been developed for your mission critical, standby and prime applications. Producing reliable power from 550 to 715 kVA at 50 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.

Generator Set Specifications

Units:
Minimum Rating 550 kVA 550 kVA Less
Maximum Rating 715 kVA 715 kVA Less
Voltage 208 to 600 Volts 208 to 600 Volts Less
Frequency 50 Hz 50 Hz Less
Speed 1500 rpm 1500 rpm Less

Generator Set Configurations

Emissions/Fuel Strategy Low Fuel Consumption, U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards), China Nonroad III Emission Standards Low Fuel Consumption, U.S. EPA Certified for Stationary Emergency Use Only (Tier 2 Nonroad Equivalent Emission Standards), China Nonroad III Emission Standards Less

Engine Specifications

Engine Model C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel Less
Displacement 1106.36 in³ 18.13 l Less
Fuel System Electronic unit injection Electronic unit injection Less
Aspiration Air to Air Aftercooled Air to Air Aftercooled Less
Governor Type Adem™A4 Adem™A4 Less
Compression Ratio 14.5:1 14.5:1 Less
Bore 5.71 in 145.0 mm Less
Stroke 7.2 in Less
Stroke - HD 183.0 mm Less
Stroke 183 mm (7.2 in) 183 mm (7.2 in) Less

Generator Set Dimensions

Length - Maximum 162.4 in 4135.0 mm Less
Width - Maximum 78.3 in 1989.0 mm Less
Height - Maximum 75.0 in 1906.0 mm Less

Attachments

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.

    • C18 (50 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 (50 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

    Why Choose Cat® Electric Power?

    Caterpillar offers a comprehensive variety of electric power systems, customized to fit your needs. Our specialized 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.

    Learn More About Electric Power

    EMCP 4 Generator Set Controls

    Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

    Learn More

    Application Center

    Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organizes 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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