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SPECS SUMMARY

Frequency60 Hz
Voltage120/208, 120/240, 277/480, 346/600 VAC
Natural Gas Rating400 ekW
Emissions/Fuel StrategyU.S. EPA Certified for Stationary Emergency Application
Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Specifications

Frequency60 Hz
Voltage120/208, 120/240, 277/480, 346/600 VAC
Natural Gas Rating400 ekW
Emissions/Fuel StrategyU.S. EPA Certified for Stationary Emergency Application
Engine ModelG21.9L spark-ignited
Displacement1336.42 in (21.9 l)
Fuel TypeNatural Gas
Fuel SystemCarburetor, Down Draft
RPM1800 rpm
AspirationTurbocharged - Aftercooled
Governor TypeElectronic
Bore5.03 in (21.9 mm)
Stroke5.6 in (152.4 mm)
Length154.4 in (3923 mm)
Width71 in (1803 mm)
Height67 in (1702 mm)
Weight8429 lb (3823 kg)
Compression Ratio10.0:1
Compression Ratio10.0:1

Benefits and Features

  • Four-stroke-cycle gas engine combines consistent performance and excellent fuel economy with minimum weight

  • Matched to the performance and output characteristics of Cat engines
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
  • High Efficiency

  • 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

  • The generator set facilitates compliance with NFPA 110 and meets ISO 8528-5 requirements for transient response
  • Cooling system designed to operate in 50˚C/122˚F ambient temperatures with an air flow restriction of 0.5 in. water

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

  • 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

  • Closed coolant recovery system
  • Factory-installed radiator
  • 50/50 Ethylene glycol antifreeze
  • Low fuel pressure switch
  • Primary and secondary fuel shut-off
  • Fuel pressure test po
  • Class H insulation material
  • Full load capacity alternator
  • Permanent magnet excitation
  • EMCP 4.2 Series generator set controller
  • Vibration isolaton (puck type)
  • Engine electrical system
  • Solenoid activated starter motor
  • Battery cables

Optional Equipment

  • Anti-condensation heater
  • Shunt trip and auxiliary contact breaker
  • Thermal magnetic or electronic trip MCCBs