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Gas generator sets

DG450 (3-Phase)

The Cat® DG450 gas generator set delivers 450 ekW for standby, demand response and limited-time power applications. Its CG18 platform combines efficient operation and durable construction for dependable performance over the long term.

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Proven engine platform

  • Built on established Cat engine technology, the CG18 combines robust construction with efficient operation for dependable long-term use.

Value-added dealer services

  • Cat dealers provide service and support throughout the generator set lifecycle to help keep equipment operating at its best.

Flexible Cat<sup class="cf-reg">®</sup> ECS controls

  • Expansion modules and site-specific programming allow the control system to be configured around individual operating needs.

Strong motor-starting ability

  • Large connected motors can start during an outage, with 1414 skVA capability at 30% voltage dip.

High-ambient cooling

  • Designed for operation in standard ambient temperatures up to 43°C (110°F), the cooling system helps maintain consistent operation in warmer conditions.

Reduce long-term ownership costs

Count on support beyond installation

Configure controls for your operation

Generator Set Specifications
Frequency60 Hz
Natural Gas Rating450 ekW
Emissions/Fuel StrategyU.S. EPA Certified for Stationary Emergency Application and Non-Emergency Applications
Fuel TypeNatural Gas
RPM1800
Voltage208 - 600 VAC
Engine Specifications
Engine ModelCat® CG18 In-line 6, 4-cycle Natural Gas
Fuel SystemGas mixer, Venturi
AspirationTurbocharged - Air-to-Air Aftercooled
Governor TypeElectronic
Displacement1106.3 in³
Compression Ratio10.5:1
Bore5.7 in
Stroke7.2 in
Generator Set Dimensions
Length154 in
Width73 in
Height82 in
Weight10721 lb

Exhaust

  • 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

  • CAT® ECS 100
  • Integrated Voltage Regulator (IVR)

Telematics

  • PL444 Product link 4G LTE Telematics

Generator

  • Anti-condensation space heater
  • SR5

Governing

  • Electronic Governing

Starting/Charging

  • 24V starting motors

General

  • Paint - Caterpillar Yellow except rails are gloss black
  • Operation and maintenance manuals
  • Parts book
  • DG450 Spec Sheet
    application/pdf
  • Electric Power Rating Guide
    application/pdf
  • CG18 Enclosures
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations