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C18 (60 Hz) Tier 4

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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 455 to 500 ekW at 60 Hz, meeting ISO 8528-5 transient response requirements and built to accept 100 percent rated load in one step. The engines are certified to the US EPA Tier 4 Final emissions levels.

Generator Set Specifications

  • Minimum Rating 455 ekW 455 ekW
  • Maximum Rating 500 ekW 500 ekW
  • Emissions/Fuel Strategy U.S. EPA Tier 4 Final U.S. EPA Tier 4 Final
  • Voltage 480 Volts 480 Volts
  • Frequency 60 Hz 60 Hz
  • Speed 1800 rpm 1800 rpm
  • Duty Cycle Standby, Prime Standby, Prime

Engine Specifications

  • Engine Model C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
  • Bore 1455.7 in 145.0 mm
  • Stroke 7.2 in 183.0 mm
  • Displacement 1106.4 in³ 18.1 l
  • Compression Ratio 14.5:1 14.5:1
  • Aspiration Air to Air Aftercooled Air to Air Aftercooled
  • Fuel System Electronic unit injection Electronic unit injection
  • Governor Type Adem™A4 Adem™A4

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

    Fully prototype tested with certified torsional vibration analysis available

    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
  • Cat Clean Emissions Module (CEM)

  • The Tier 4 Final engine has been optimized to work with the Cat CEM.
  • The CEM is a reliable, compact, and lightweight system that gives maximum installation flexibility.
  • It features a diesel oxidation catalyst for particulate matter (PM) and hydrocarbon (HC) control.
  • Selective catalytic reduction (SCR) reduces NOx output and provides integrated sound attenuation.
  • The CEM is controlled by a separate dosing module that has been integrated into the standard generator set controls for complete monitoring, protection and closed loop NOx control.
  • For more information on the CEM, refer to cut sheet LEHE0359.
  • UL 2200 / CSA - Optional

  • UL 2200 listed packages
  • CSA Certified
  • Certain restrictions may apply.
  • Consult with your Cat® Dealer.
  • C18 (60 Hz) Tier 4 Standard Equipment

    Exhaust System

    • Exhaust manifold; dry

    Fuel System

    • Primary fuel filter w/integral water separator & secondary filter
    • Fuel cooler
    • Fuel priming pump
    • Flexible fuel lines
    • Engine fuel transfer pump

    Governing System

    • Cat Electronic Governor (ADEM A4)

    Lube System

    • Oil cooler
    • Lubricating oil
    • Oil filter and dipstick
    • Oil drain lines with valve; piped to edge of base
    • Fumes disposal; piped to front of radiator

    Protection System

    • Safety shutoffs for: Higher water temperature - Overspeed - Low oil pressure

    Cooling System

    • Coolant drain line with valve; terminated on edge of base
    • Fan and belt guards
    • Coolant Level Sensor
    • Thermostats and housing, full open temperature 92 deg C (198 deg F)
    • Coolant level sight gauge.
    • Jacket water pump, gear driven, centrifugal
    • Caterpillar Extended Life Coolant

    Starting/Charging

    • 24-volt electric starting motor
    • 24V, 45 amp charging alternator.

    General

    • Paint, Caterpillar yellow
    • Vibration damper
    • Parts book
    • Operation and maintenance manual pack and OMM Storage Compartment

    Control System

    • EMCP 4.2
    • Controls include: Run / auto / stop control - Speed adjust - Voltage adjust - Engine cycle crank - Emergency stop pushbutton
    • Digital indication for: rpm - DC volts - operating hours - Oil pressure (psi, kPa or bar) - Coolant temperature (C or F) - Volts (L-L & L-N), frequency (Hz) - Amps (per phase & average) - Power factor (per phase & average) - kW (per phase & average) - kVA (per phase & average) - kVAr (per phase and average) - kW-hr (total) - kVAr-hr (total)
    • Warning / Shutdowns with common LED indication of shutdowns for: Low oil pressure - high coolant temperature - Overspeed - Emergency stop - Failure to start (overcrank) - Low coolant temperature - Low coolant level
    • Programmable protective relaying functions: Generator phase sequence - Over / Under voltage (27/59) - Over / Under frequency (81 o/u) - Overcurrent (50/51)
    • Programmable Input / Output: 2 programmable digital inputs - 2 programmable relay outputs (Form A) - 2 programmable relay outputs (Form C)
    • Communications: Customer data link (RS485 Modbus RTu) - Serial annunciator module data link for local and remote annunciator IVR - Integrated Voltage Regulation (Digital) - EM10 Excitation Module
    • Control panel mounting location
    • Local annunciator
    • Remote annunciators
    • Control panel options: Dust proof control panel - volt free contact - Device server - Ground fault relay
    • Optional external analog input
    • Breaker box mounting location
    • Suitable for use as service equipment label
    • Separation plate

    Generator and Attachments

    • Brushless, self-excited 2/3 pitch, random wound.
    • IP23 Protection
    • Insulation Class H and temperature rise
    • Power center, IP22 bottom cable entry
    • Segregated low voltage (AC/DC) wiring panel
    • AREP generator
    • CIP - generators

    Air Inlet System

    • Single element air filter
    • Air cleaner - Single element
    • Air cleaner - Heavy duty

    Extended Service Coverage

    • Silver, Gold and Platinum coverage

    Circuit breakers

    • 3 Pole 100% rated

    C18 (60 Hz) Tier 4 Optional Equipment

    Control System

    • EMCP 4.4
    • Control panel mounting
    • Local annunciator
    • Remote annunciators
    • Dust proof control panel
    • Volt free contact
    • Device server
    • Ground fault relay
    • Optional external analog input
    • Breaker box mounting location
    • Separation plate
    • Remote E-stop button

    Generators and Attachments

    • AREP Generator
    • CIP generators
    • Generator mounting and duct plate
    • Space heater

    Air Inlet System

    • Single element air filter
    • Dual element air cleaner

    Certifications

    • IBC certification wind load
    • Certificate of compliance

    Circuit breakers

    • Package mounted single circuit breakers
    • Motorized single circuit breaker
    • Dual breakers first circuit breaker (CB1) LS/I package mounted
    • Dual breakers first circuit breaker (CB2) LS/I package mounted
    • Auxiliary contacts
    • Neutral bars
    • Current transformers
    • Power cables

    Cooling System

    • Standard radiator
    • Aftertreatment guard

    Enclosures

    • Sound attenuated enclosures

    Exhaust System

    • Exhaust flexible fittings
    • Flange kits

    Fuel System

    • 660 gallon base tank

    Generator Attachments

    • Permanent magnet generator

    Mounting System

    • Standard base Wide
    • Optional CB shroud
    • Locking fuel fill
    • 5 gallon spill containment
    • Overfill prevention valve

    Starting / Charging System

    • 10 Amp dual battery charger
    • Battery disconnect switch
    • Jacket water heater
    • Shore power control group

    TESTS

    • PGS test report @ 1.0 power factor
    • PGS test report @ 0.8 power factor
    • Generator test report
    • 4 Hour factory test (un-witnessed)

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