Main content

Caterpillar

DG450-2 (Single-phase)

Frequency

60 Hz

60 Hz

Natural Gas Rating

450 ekW

450 ekW

Emissions/Fuel Strategy

U.S. EPA Certified for Non-Emergency Application

U.S. EPA Certified for Non-Emergency Application

Overview

The Cat® spark-ignited generator product line for stationary applications feature permanent magnet excitation, amortisseur winding, skewed stator, voltage adjustment through the EMCP controller, Class H winding insulation and 2/3 pitch incorporated.

Media

Photos

Open Generator Set
Open Generator Set
Enclosure
Enclosure

Documents

Features

Engine

Generator

EMCP Control Panel

Design Criteria

UL 2200 / CSA – Optional

Worldwide Product Support

Details

Specifications

Spec Value
Frequency 60 Hz 60 Hz
Natural Gas Rating 450 ekW 450 ekW
Emissions/Fuel Strategy U.S. EPA Certified for Non-Emergency Application U.S. EPA Certified for Non-Emergency Application
Voltage 120/208, 120/240, 277/480, 346/600 VAC 120/208, 120/240, 277/480, 346/600 VAC
Displacement 1336.42 in³ 21.9 l
Fuel Type Natural Gas Natural Gas
Speed 1800 rpm 1800 rpm
Spec Value
Engine Model G21.9L V12, 4-Cycle, Spark -Ignited G21.9L V12, 4-Cycle, Spark -Ignited
Fuel System Carburetor, Down Draft Carburetor, Down Draft
Aspiration Turbocharged - Aftercooled Turbocharged - Aftercooled
Governor Type Electronic Electronic
Bore 5.03 in 128 mm
Stroke 5.6 in 142 mm
Compression Ratio 10.0:1 10.0:1
Spec Value
Length 154.4 in 3923 mm
Width 71 in 1803 mm
Height 67 in 1702 mm
Weight 8274 lb 3753 kg

Standard Equipment

Cooling

  • Closed coolant recovery system
  • 50/50 Ethylene glycol antifreeze
  • Factory-installed radiator

Fuel

  • Fuel pressure test po
  • Low fuel pressure switch
  • Primary and secondary fuel shut-off

Generator

  • Class H insulation material
  • Permanent magnet excitation
  • Full load capacity alternator

Controls

  • EMCP 4.2 Series generator set controller

Mounting

  • Vibration isolaton (puck type)

Electric Starting and/or Prelube

  • Engine electrical system
  • Battery cables
  • Solenoid activated starter motor

Electric Power - Package Serial Number Prefix

  • Battery charging alternator

Optional Equipment

Generator

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

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