DG450 Compact (3-Phase)

Displacement
1336.42 in³ / 21.9 l
Bore
5.03 in / 128 mm
Stroke
5.59 in / 142 mm

The Cat® spark-ignited rich burn gas generator set can be used for emergency standby, prime, demand response and limited time power (LTP) applications. It also offers a reliable power with superior fuel efficiency, lower footprint and cleaner exhausts with ultra-low-NOx capability. With dual fuel kit option, automatic transition to propane from natural gas delivers uninterrupted operation. This also comes with an optional paralleling configuration up to 4 units in conjunction with a switchgear built on a Distributed Energy Resources (DERs) technology platform. The DERs technology continuously monitors, analyses and controls multiple energy sources.

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 1336.42 in³ / 21.9 l
Compression Ratio 10.2:1
Bore 5.03 in / 128 mm
Stroke 5.59 in / 142 mm
Generator Set Dimensions
Length 119 in / 3020 mm
Width 99 in / 2510 mm
Height 120 in / 3050 mm

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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