Current Caterpillar Power-Systems Electric-Power Gas Generator Sets

2025 Caterpillar Gas Generator Sets DG400 (3-Phase)

2025 Caterpillar Gas Generator Sets DG400 (3-Phase)

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  • Year 2025
  • Make Caterpillar
  • Model Gas Generator Sets
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2025 Caterpillar Gas Generator Sets DG400 (3-Phase)

2025 Caterpillar Gas Generator Sets DG400 (3-Phase)

  • Year 2025
  • Manufacturer Caterpillar
  • Model Name Gas Generator Sets
  • Trim Name DG400 (3-Phase)
  • Generic Type (Primary) General
  • Engine Type Model: Cat® CG18 In-line 6, 4-cycle Natural Gas
  • Rated Engine Speed 1800 rpm
  • Bore 5.7 in
  • Stroke 7.2 in
  • Displacement 1106.3 in³
  • Emissions U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
  • Aspiration Turbocharged - Air-to-Air Aftercooled
  • Compression Ratio 10.5:1

2025 Caterpillar Gas Generator Sets DG400 (3-Phase)

400 kW Natural Gas Generator Set

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

Features may include:

Superior Motor Starting Capability @30% Voltage Dip

Able to start large connected motors loads during a power outage

EPA Certified

Complies with emission standards required for local permits

Alternator Features Class H Insulation

Highest classification ensures alternator durability

Emissions Strategy
  • Certified EPA Stationary Emergency
  • Complies with emission standards required for local permits
Cat CG18 Engine
  • Robust high speed block design provides prolonged life and lower owning operationg costs
  • Designed for maximum performance on low pressure pipeline natural gas
Generator
  • Industry leading mechanical and electrical design
  • Industry leading motor starting capabilities
EMCP 4.2B Control Panel
  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement

Engine

Engine Type Model: Cat® CG18 In-line 6, 4-cycle Natural Gas
Rated Engine Speed 1800 rpm
Bore 5.7 in
Stroke 7.2 in
Displacement 1106.3 in³
Emissions U.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
Aspiration Turbocharged - Air-to-Air Aftercooled
Compression Ratio 10.5:1

Fuel System

Fuel System Gas mixer, Venturi
Fuel Type Natural Gas

Drivetrain

Governor Electronic

Electric

Electrical Voltage: 208 - 600 VAC | Frequency: 60 Hz | Natural Gas Rating: 400 ekW

Dimensions

Height 82 in
Length 154 in
Width 73 in

Weights

Weight 10721 lb

Product Photography