Skip to content
Logo
400 kW Natural Gas Generator Set

DG400-2 (Three phase)

Overview

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Key Features

More Comfort. More Performance. More Versatility.

Up to 1414 skVA @30% Voltage Dip

Able to start large connected motors loads during a power outage

Certified EPA Stationary Emergency

Complies with emission standards required for local permits

Alternator Features Class H Insulation

Highest classification ensures alternator durability

Media Gallery

Specifications

Frequency 60 Hz
Natural Gas Rating 400 ekW
Emissions/Fuel Strategy U.S. EPA Certified for Non-Emergency Application
Displacement 1336.42 in
Fuel Type Natural Gas
RPM 1800 rpm
Voltage 120/208, 120/240, 277/480, 346/600 VAC
Compression Ratio 10.0:1
Engine Model G21.9L spark-ignited
Fuel System Carburetor, Down Draft
Aspiration Turbocharged - Aftercooled
Governor Type Electronic
Bore 5.03 in
Stroke 5.6 in
Compression Ratio 10.0:1
Length 154.4 in
Width 71 in
Height 67 in
Weight 8429 lb

Documents

Product Rating Guide Download DG400 GC Natural Gas Generator Set, 400 ekW 60 Hz Download DG400 GC Gas Generator Set, Standby, 400 ekW, 60 Hz, Data Sheets Download

Related power systems

ATC-800 CONTROLLER
ATC-800 CONTROLLER
Go

ATC-800 CONTROLLER
ATC-300+ CONTROLLER
ATC-300+ CONTROLLER
Go

ATC-300+ CONTROLLER
ATC Power Breaker Bypass Isolation Open/Closed Transition Automatic Transfer Switch
ATC Power Breaker Bypass Isolation Open/Closed Transition Automatic Transfer Switch
Go

ATC Power Breaker Bypass Isolation Open/Closed Transition Automatic Transfer Switch
ATC Molded Case Circuit Breaker & Molded Case Switch Automatic Transfer Switch
ATC Molded Case Circuit Breaker & Molded Case Switch Automatic Transfer Switch
Go

ATC Molded Case Circuit Breaker & Molded Case Switch Automatic Transfer Switch
ATC Service Entrance Rated MCCB & Power Breaker Based ATS
ATC Service Entrance Rated MCCB & Power Breaker Based ATS
Go

ATC Service Entrance Rated MCCB & Power Breaker Based ATS
ATC Contactor Based Bypass Isolation Automatic Transfer Switch
ATC Contactor Based Bypass Isolation Automatic Transfer Switch
Go

ATC Contactor Based Bypass Isolation Automatic Transfer Switch
ATC Contactor-Based Automatic Transfer Switch
ATC Contactor-Based Automatic Transfer Switch
Go

ATC Contactor-Based Automatic Transfer Switch
ATC Power Breaker & Case Switch Automatic Transfer Switch
ATC Power Breaker & Case Switch Automatic Transfer Switch
Go

ATC Power Breaker & Case Switch Automatic Transfer Switch
Cat® CS – ATS (Spec Grade)
Cat® CS – ATS (Spec Grade)
Go

Cat® CS – ATS (Spec Grade)
Cat® CBS – ATS with Bypass Isolation (Spec Grade)
Cat® CBS – ATS with Bypass Isolation (Spec Grade)
Go

Cat® CBS – ATS with Bypass Isolation (Spec Grade)
Cat® CG – ATS for general purpose applications
Cat® CG – ATS for general purpose applications
Go

Cat® CG – ATS for general purpose applications
Cat Customizable Switchgear and Controls
Cat Customizable Switchgear and Controls
Go

Cat Customizable Switchgear and Controls

Our Locations