C18 Generator Set

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Features

  • Cat Generator Set Package

    Cat Generator Set Package

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

    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
  • A-Frame Alternator

    A-Frame 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
  • GCCP 1.2 Control Panel

    GCCP 1.2 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

    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

    Certifications

    • UL2200 Listed; CSA 22.2; Certification of Compliance – IBC Seismic; Dual IBC & HCAI
  • One Safe Source

    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

    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)

    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 / CSA - Optional

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

Specifications

Units for specifications

Generator Set Specifications

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

Engine Specifications

Engine Model C18 ATAAC, I-6, 4-Stroke Water-Cooled Diesel
Bore 1455.7 in 145 mm
Stroke 7.2 in 183 mm
Displacement 1106.4 in³ 18.1 l
Compression Ratio 14.5:1
Aspiration Air to Air Aftercooled
Fuel System Electronic unit injection
Governor Type Adem™A4

Standard Equipment

Air Inlet

  • Air cleaner

Exhaust System

  • Exhaust manifold - dry

Cooling

  • Package mounted radiator

Fuel System

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

Exhaust

  • Exhaust flange outlet

Fuel

  • Primary fuel filter with integral water separator
  • Fuel priming pump
  • Secondary fuel filters

Generator

  • Matched to the performance and output characteristics of Cat engines
  • IP23 Protection
  • Load adjustment module provides engine relief upon load impact and improves load acceptance and recovery time

Power Termination

  • Busbar

Lube System

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

Control Panel

  • GCCP Genset Controller

Mounting

  • Rubber vibration isolators

Protection System

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

Cooling System

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

Starting/Charging

  • 24V, 45 Amp Charging alternator
  • 24 Volt electric starting motor
  • 24 volt starting motor
  • Batteries

General

  • Paint - Caterpillar yellow except rails and radiators gloss black
  • Paint, Caterpillar yellow
  • Operation and maintenance manual pack and OMM storage compartment
  • Parts book
  • Vibration damper

Control System

  • Local annunciator
  • Programmable Input / Output: 2 programmable digital inputs - 2 programmable relay outputs (Form A) - 2 programmable relay outputs (Form C)
  • Suitable for use as service equipment label
  • Separation plate
  • Control panel mounting location
  • Breaker box mounting location
  • Optional external analog input
  • Remote annunciators
  • GCCP 1.2
  • 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
  • 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)
  • Programmable protective relaying functions: Generator phase sequence - Over/under voltage (27/59) - Over/under frequency (81 o/u) - Overcurrent (50/51)
  • Warning/shutdown 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
  • Control panel options: Dust proof control panel - volt free contact - Device server - Ground fault relay

Governing System

  • Cat electronic governor (ADEM A4)

Generator and Attachments

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

Air Inlet System

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

Extended Service Coverage

  • Silver, Gold and Platinum coverage

Circuit breakers

  • 3 Pole 100% rated

Optional Equipment

Control System

  • Ground fault relay
  • Dust proof control panel
  • Breaker box mounting location
  • Volt free contact
  • Device server
  • Separation plate
  • Remote annunciators
  • GCCP 1.5
  • Local annunciator
  • Remote E-stop button
  • Optional external analog input
  • Control panel mounting

Exhaust

  • Industrial, residential, critical mufflers

Generator

  • Anti-condensation heater
  • Excitation: [ ] Permanent magnet excitation (PMG) Excited (PM) [ ] Internally Excited (IE)
  • Oversize and premium generators

Power Termination

  • Circuit breakers, UL listed

Generators and Attachments

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

Air Inlet System

  • Single element air filter
  • Dual element air cleaner

Certifications

  • Certificate of Compliance
  • IBC Certification wind load

Circuit breakers

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

Cooling System

  • Aftertreatment guard
  • Standard radiator

Enclosures

  • Sound attenuated enclosures

Exhaust System

  • Flange kits
  • Exhaust flexible fittings

Fuel System

  • 660 gallon base tank

Generator Attachments

  • Permanent magnet excitation (PMG) generator

Mounting System

  • Standard base wide
  • 5 Gallon spill containment
  • Optional CB shroud
  • Overfill prevention valve
  • Locking fuel fill

Starting / Charging System

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

TESTS

  • PGS Test report @ 0.8 power factor
  • 4 Hour factory test (un-witnessed)
  • PGS Test report @ 1.0 power factor
  • Generator test report
C18 60 Hz Tier 4 Rear Left

Documents