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DG450 Compact (3-Phase)

DG450 (Compact) Gas Generator Set

Overview

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

Specifications

Units: 
Frequency 60 Hz
Natural Gas Rating Max. 450 ekW
Emissions/Fuel Strategy U.S. EPA Certified for Stationary Non-Emergency Applications
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Benefits & Features

Emissions Strategy

          
    • U.S. EPA Certified for Stationary Non-Emergency Applications.
      •     
    • Complies with East Texas permitting standards.
      •     
    • NFPA110 and UL2200 listed.

21.9L Gas Engine

          
    • Robust high speed block design provides prolonged life and lower operationg costs
          
    • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
          
    • One electronic control module handles all engine functions: Ignition, governing, air/fuel ratio control and engine protection

Generator

    • Class H Insulation. Highest classification ensures alternator durability
      • Matched to the performance and output characteristics of Cat gas engines
      • Industry leading mechanical and electrical design
      • Industry leading motor starting capabilities
      • High Efficiency

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  February 24, 2025

Specifications

Units: 
Generator Set Specifications
Frequency 60 Hz
Natural Gas Rating Max. 450 ekW
Emissions/Fuel Strategy U.S. EPA Certified for Stationary Non-Emergency Applications
RPM 1800
Fuel Type Natural Gas / Propane
Voltage 480 VAC
Engine Specifications
Engine Model Cat® 21.9L 4 Cycle V12 TCAC Rich Burn Gas
Fuel System Gas mixer, Venturi
Aspiration Turbocharged - Air-to-Air Aftercooled
Governor Type Electronic
Displacement —
Compression Ratio 10.2:1
Bore —
Stroke —
Generator Set Dimensions
Length —
Width —
Height —

Benefits & Features

Emissions Strategy

          
    • U.S. EPA Certified for Stationary Non-Emergency Applications.
      •     
    • Complies with East Texas permitting standards.
      •     
    • NFPA110 and UL2200 listed.

21.9L Gas Engine

          
    • Robust high speed block design provides prolonged life and lower operationg costs
          
    • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
          
    • One electronic control module handles all engine functions: Ignition, governing, air/fuel ratio control and engine protection

Generator

    • Class H Insulation. Highest classification ensures alternator durability
      • Matched to the performance and output characteristics of Cat gas engines
      • Industry leading mechanical and electrical design
      • Industry leading motor starting capabilities
      • High Efficiency

GCCP 1.5 Control Panel

          
    • Easy to use Synchronizing Auto Start Control Module
      •     
    • Designed for multi-generator load-sharing and synchronization
      •     
    • Extensive monitoring, metering and protection features
      •     
    • Comprehensive communication and system expansion options

Cooling System

          
    • Designed to operate in standard ambient temperatures up to 43 °C (110 °F)
          
    • Contact your Cat Dealer for specific ambient and altitude capabilities

Load Sharing

          
    • Factory designed and tested
          
    • Up to 4 genset paralleling option
          
    • Switchgear (optional) equipped with Cat® grid communication hardware for load management with asset monitoring

Footprint

          
    • Compact packaging with best-in-class space utilization
      •     
    • System designed to improve installation time and total cost for installer and customer

Standard Equipment

  • Exhaust
    • Dual stack 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
    • GCCP 1.5
    • Automatic Voltage Regulator (AVR)
  • Generator
    • Class H Insulation
    • PMG Excitation
  • Governing
    • Electronic Governing
  • Starting/Charging
    • 12V starting motors
  • General
    • Paint - Caterpillar EPD white except rails are gloss black
    • Operation and maintenance manuals
    • Parts book

Optional Equipment

  • Telematics
    • Dual-mode 4G and SATCOM Remote Monitoring
  • Fuel System
    • Dual fuel kit - Propane
  • Switchgear
    • Genset Paralleling up to 4 units
    • Cat Grid Communication Hardware for multiple assets monitoring, load management and monetization of Distributed Energy Resources (DERs).

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