DG250 (3-Phase)

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Description
Technical Specifications
Benefits and Features
Equipment

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

Generator Set Specifications
Frequency 60 Hz
Natural Gas Rating 250 ekW
Emissions/Fuel Strategy U.S. EPA Non-Emergency Certified
Duty Cycle Demand Response
RPM 1800
Voltage 208 - 600 VAC
Engine Specifications
Engine Model Cat® CG18 In-line 6, 4-cycle Natural Gas
Fuel System Gas mixer, Venturi
Aspiration Turbocharged - Air-to-Air Aftercooled
Governor Type Electronic
Displacement 1106.3 in³
Compression Ratio 10.5:1
Bore 5.7 in
Stroke 7.2 in
Generator Set Dimensions
Length 154 in
Width 73 in
Height 82 in
Weight 10721 lb

Lean-burn engine technology

The Cat CG18 engine combines a robust high-speed block design with lean-burn operation for efficient, economic performance.

Strong motor-starting

Designed to start large, connected motor loads during a power outage, the generator set handles demanding electrical loads.

Compact in-line design

A smaller design makes the generator set easier to install when space is limited.

Class H alternator insulation

Class H insulation supports alternator durability for reliable operation over its service life.

Expandable Cat® ECS controls

User-friendly controls, expansion modules and custom programming accommodate a wide range of installation requirements.

Highly efficient cooling

The cooling system is designed to operate in standard ambient temperatures up to 50°C (122°F).

Standard Equipment:

  • Exhaust
    • Dry exhaust manifolds, insulated and shielded
  • Fuel System
    • 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
    • Operation and maintenance manuals
    • Paint - Caterpillar Yellow except rails are gloss black
    • Operation and maintenance manuals
    • Parts book

Optional Equipment:

  • Control Panel
    • CAT® ECS 200
  • Air Inlet
    • Air inlet adapters
  • Cooling
    • Inlet/Outlet connections
  • Exhaust
    • Flexible fitting
    • Elbow, Flange
    • Muffler and spark-arresting muffler with companion flanges
    • Exhaust expander
  • Generator
    • Permanent Mangnet Excitation
    • Low voltage extension box
    • Cable access box
  • Enclocures
    • Sound Attenuated and Weather Protective
  • Starting/charging
    • Jacket water heater
    • Space Heaters
    • Charging alternator
    • Battery with cable and rack (shipped loose)
    • Battery charger
    • Oversized battery
  • General
    • Engine barring group
    • Crankcase explosion relief valve


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