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Enclosure Rear Left View
Gas generator sets

DG400 (3-Phase)

The Cat® spark-ignited lean burn generator for stationary standby, demand response and limited time power (LTP) applications offer reliable power with best in class fuel efficiency, lower footprint and cleaner exhausts. The abilitity to operate even at very low fuel inlet pressures makes it best suited for a range of applications

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Generator Set Specifications
Frequency60 Hz
Emissions/Fuel StrategyU.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
RPM1800
Voltage208 - 600 VAC
Natural Gas Rating400 ekW
Fuel TypeNatural Gas
Engine Specifications
Engine ModelCat® CG18 In-line 6, 4-cycle Natural Gas
Fuel SystemGas mixer, Venturi
AspirationTurbocharged - Air-to-Air Aftercooled
Governor TypeElectronic
Displacement1106.3 in³
Compression Ratio10.5:1
Bore5.7 in
Stroke7.2 in
Generator Set Dimensions
Length154 in
Width73 in
Height82 in
Weight10721 lb

Exhaust

  • Dry exhaust manifolds, insulated and shielded

Fuel System

  • Gas train with Zero Pressure regulator
  • ECU controlled shutdown solenoid
  • Airfuel Ratio Control, Venturi type Air-Gas mixer, throttle controlled valve

Controls

  • CAT® ECS 100
  • Integrated Voltage Regulator (IVR)

Telematics

  • PL444 Product link 4G LTE Telematics

Generator

  • Anti-condensation space heater
  • SR5

Governing

  • Electronic Governing

Starting/Charging

  • 24V starting motors

General

  • Paint - Caterpillar Yellow except rails are gloss black
  • Operation and maintenance manuals
  • Parts book

Need installed dimensions with enclosure and tank? See Model Configurations