Gas Generator Sets

DG400-2 (Three phase)

Request A Quote
Open generator set
enclosure
US
Metric

Overview

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

Generator Set Specifications

Speed
1800 RPM
Speed
1800 RPM
Speed
1800 RPM
Speed
1800 RPM
Speed
1800 RPM
Speed
1800 RPM
Speed
1800 RPM
Speed
1800 RPM

Engine Specifications

Engine Model
G21.9L spark-ignited

Generator Sets Specifications

Compression Ratio
0.00
0.00

Generator Set Specifications

Displacement
1336.42 in
21.90 l
Fuel Type
Natural Gas
RPM
1800 rpm
Voltage
120/208, 120/240, 277/480, 346/600 VAC
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Emergency Application

Engine Specifications

Bore
5.03 in
21.90 mm
Fuel System
Carburetor, Down Draft
Stroke
5.60 in
152.40 mm

Generator Set Specifications

Frequency
60 Hz
Speed
1800 RPM
Speed
1800 RPM

Generator Set Dimensions

Length
154.40 in
3923.00 mm
Width
71.00 in
1803.00 mm
Height
67.00 in
1702.00 mm
Weight
8429.00 lb
3823.00 kg

Generator Set Specifications

Natural Gas Rating
400 ekW

Engine Specifications

Governor Type
Electronic
Aspiration
Turbocharged - Aftercooled
Compression Ratio
10.0:1

Generator Set Specifications

Compression Ratio
10.0:1
Features

Engine

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

Generator

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

EMCP 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

Design Criteria

  • 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 / CSA - Optional

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

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
  • Cooling
    • Closed coolant recovery system
    • Factory-installed radiator
    • 50/50 Ethylene glycol antifreeze
  • Fuel
    • Low fuel pressure switch
    • Primary and secondary fuel shut-off
    • Fuel pressure test po
  • Generator
    • Class H insulation material
    • Full load capacity alternator
    • Permanent magnet excitation
  • Controls
    • EMCP 4.2 Series generator set controller
  • Mounting
    • Vibration isolaton (puck type)
  • Electric Starting and/or Prelube
    • Engine electrical system
    • Solenoid activated starter motor
    • Battery cables
  • Electric Power - Package Serial Number Prefix
    • Battery charging alternator
Optional Equipment
  • Generator
    • Anti-condensation heater
    • Shunt trip and auxiliary contact breaker
    • Thermal magnetic or electronic trip MCCBs