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C18 Generator Set

Maximum Rating

750 ekW

Minimum Rating

500 ekW

Emissions/Fuel Strategy

U.S. EPA Certified


The C18 diesel generator sets developed for critical, standby and prime applications. Producing reliable power from 500 to 750 ekW at 60 Hz, meeting ISO 8528-5 transient response requirements and built to accept 100 % rated load in one step. Our C18 generator sets range from low fuel consumption systems to EPA Stationary Emergency (Tier 2) certified Emissions / Fuel Strategy.



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C18,750 ekW, 60 Hz Virtual Product Tour


  • Generator Set Specifications
    Spec Value
    Maximum Rating 750 ekW
    Minimum Rating 500 ekW
    Emissions/Fuel Strategy U.S. EPA Certified
    Voltage 208 to 600 Volts
    Frequency 60 Hz
    Speed 1800 rpm
    Duty Cycle Standby, Prime
  • Engine Specifications
    Spec Value
    Engine Model Cat® C18 ATAACTM In-line 6, 4-cycle diesel
    Bore 5.71 in
    Stroke 7.2 in
    Displacement 1106.3 in³
    Compression Ratio 14:01
    Aspiration Turbocharged Air to Air Aftercooled
    Fuel System Electronic unit injection
    Governor Type Electronic ADEM™ A4
  • Generator Set Dimensions
    Spec Value
    Length - Maximum 138 in
    Width - Maximum 67 in
    Height - Maximum 88 in

Standard Equipment

Air Inlet System

  • Aftercooler core
  • Turbocharger

Control System

  • 3 Pole
  • GCCP 1.2
  • Right mounted power centre
  • Standard breaker

Cooling System

  • Jacket water pump, gear driven, centrifugal
  • Thermostats and housing
  • Coolant level sight gauge
  • Coolant level sensor
  • Coolant drain valve; terminated on edge of base
  • Cooling system filled with Caterpillar extended life coolant
  • Radiator and cooling fan with belt guards

Exhaust System

  • Exhaust manifold - dry

Fuel System

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

Generator and Attachments

  • Brushless, self-excited 2/3 pitch, random wound
  • Insulation Class H and temperature rise
  • Power centre, IP22 bottom cable entry
  • Segregated low voltage wiring panel
  • IP23 Protection

Mounting System

  • Anti-vibration mounts (Non-captive)
  • Generator mounting and duct pPlate
  • Narrow skid base

Protection System

  • Overspeed
  • Low oil pressure shutdown
  • High coolant temperature shutdown
  • Low coolant level shutdown


  • 24 Volt electric starting motor

Optional Equipment

Air Inlet System

  • Dual element air cleaner
  • Heavy duty canister air filters

Control System

  • Annunciators box
  • Volt free contact
  • Remote E-Stop button
  • Discrete I/O module
  • Earth (Ground) fault relay
  • Local annunciator
  • GCCP 1.5

Circuit breakers

  • Auxiliary contacts
  • Neutral bar (208V)
  • Single LSI motorised circuit breaker
  • Single LSI motorised circuit breaker
  • External paralleling


  • Sound attenuated (SA)
  • Weather protective
  • Aluminum enclosure

Cooling System

  • Stone guards
  • Coolant heater
  • Jacket water heater with pump

Base / Fuel Tank

  • Audio & visual fuel alarm
  • Sub Base Dual Wall Fuel Tank: 660, 1000, 1900, 2200 gal

Fuel System

  • Sub tank bases: 24 hr & 48 hr
  • Integral 8 hour tank base

Generator and Attachments

  • LC frame oversize generators
  • Space heater control
  • Oversize
  • Coastal protection (CIP)

Starting and Charging

  • Battery disconnect switch
  • 5 Amp Battery charger
  • Oversize battery set
  • Standard battery set


  • Certification of Compliance � IBC
  • CSA 22.2
  • Dual IBC & OSHPD
  • UL2200 Listed
  • Seismic


  • Tool set

Lube System

  • Manual sump pump