C18 (60 HZ) | 500-750 kW Diesel Generator

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Maximum Rating750 ekW
Minimum Rating500 ekW
Emissions/Fuel StrategyU.S. EPA Certified
Voltage208 to 600 Volts
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.


Maximum Rating750 ekW
Minimum Rating500 ekW
Emissions/Fuel StrategyU.S. EPA Certified
Voltage208 to 600 Volts
Frequency60 Hz
Speed1800 rpm
Duty CycleStandby, Prime
Engine ModelCat® C18 ATAACTM In-line 6, 4-cycle diesel
Bore5.71 in (145 mm)
Stroke7.2 in (183 mm)
Displacement1106.3 in³ (18.1 l)
Compression Ratio14:01
AspirationTurbocharged Air to Air Aftercooled
Fuel SystemElectronic unit injection
Governor TypeElectronic ADEM™ A4
Length - Maximum138 in (3512 mm)
Width - Maximum67 in (1690 mm)
Height - Maximum88 in (2222 mm)

Benefits and Features

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

  • 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

  • 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

  • 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


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

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

Worldwide 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

Standard Equipment

  • Aftercooler core
  • Turbocharger
  • 3 Pole
  • GCCP 1.2
  • Right mounted power centre
  • Standard breaker
  • 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 manifold - dry
  • Primary fuel filter w/integral water separator and secondary filter
  • Flexible fuel lines
  • Fuel cooler
  • Engine fuel transfer pump
  • Fuel priming pump
  • 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
  • Anti-vibration mounts (Non-captive)
  • Generator mounting and duct pPlate
  • Narrow skid base
  • Overspeed
  • Low oil pressure shutdown
  • High coolant temperature shutdown
  • Low coolant level shutdown
  • 24 Volt electric starting motor

Optional Equipment

  • Dual element air cleaner
  • Heavy duty canister air filters
  • Annunciators box
  • Volt free contact
  • Remote E-Stop button
  • Discrete I/O module
  • Earth (Ground) fault relay
  • Local annunciator
  • GCCP 1.5
  • Auxiliary contacts
  • Neutral bar (208V)
  • Single LSI motorised circuit breaker
  • Single LSI motorised circuit breaker
  • External paralleling
  • Sound attenuated (SA)
  • Weather protective
  • Aluminum enclosure
  • Stone guards
  • Coolant heater
  • Jacket water heater with pump
  • Audio & visual fuel alarm
  • Sub Base Dual Wall Fuel Tank: 660, 1000, 1900, 2200 gal
  • Sub tank bases: 24 hr & 48 hr
  • Integral 8 hour tank base
  • LC frame oversize generators
  • Space heater control
  • Oversize
  • Coastal protection (CIP)
  • 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
  • Manual sump pump