DG250 (3-Phase)

DG250 (3-Phase) Gas Generator Sets

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Key Specs

Frequency
60 Hz
60 Hz
Natural Gas Rating
250 ekW
250 ekW
Emissions/Fuel Strategy
U.S. EPA Non-Emergency Certified
U.S. EPA Non-Emergency Certified

Overview

Efficient power for changing operating demands

The Cat® DG250 gas generator set supports demand response and other non-emergency applications where operating efficiency matters. Its low fuel inlet pressure design helps simplify installation across a variety of operating conditions.

Benefits

Lower your operating costs

Confidently start equipment

Fit more power into less space

Features At A Glance

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Cat

Lean-burn engine technology

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

Strong motor-starting

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

Compact in-line design

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

Class H alternator insulation

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

Expandable Cat® ECS controls

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

Highly efficient cooling

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

Product Specifications for DG250 (3-Phase)

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Frequency 60 Hz 60 Hz
Natural Gas Rating 250 ekW 250 ekW
Emissions/Fuel Strategy U.S. EPA Non-Emergency Certified U.S. EPA Non-Emergency Certified
RPM 1800 1800
Duty Cycle Demand Response Demand Response
Voltage 208 - 600 VAC 208 - 600 VAC
Engine Model Cat® CG18 In-line 6, 4-cycle Natural Gas Cat® CG18 In-line 6, 4-cycle Natural Gas
Fuel System Gas mixer, Venturi Gas mixer, Venturi
Aspiration Turbocharged - Air-to-Air Aftercooled Turbocharged - Air-to-Air Aftercooled
Governor Type Electronic Electronic
Displacement 1106.3 in³ 18.1 l
Compression Ratio 10.5:1 10.5:1
Bore 5.7 in 145 mm
Stroke 7.2 in 183 mm
Length 154 in 3581 mm
Width 73 in 1854 mm
Height 82 in 2083 mm
Weight 10721 lb 4863 kg

DG250 (3-Phase) Standard Equipment

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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

DG250 (3-Phase) Optional Equipment

Print

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

Product Brochures and More Are Ready to Download!

See how DG250 (3-Phase) compares against frequently compared products.

Electric Power
Selected
DG250 (3-Phase)
DG250 (3-Phase)
Frequency
60 Hz
60 Hz
Natural Gas Rating
250 ekW
250 ekW
Emissions/Fuel Strategy
U.S. EPA Non-Emergency Certified
U.S. EPA Non-Emergency Certified
Electric Power
DG150 (3 phase)
DG150 (3 phase)
Frequency
60 Hz
60 Hz
Natural Gas Rating
150 ekW
150 ekW
Emissions/Fuel Strategy
U.S. EPA Certified for Stationary Emergency and Non-Emergency Application
U.S. EPA Certified for Stationary Emergency and Non-Emergency Application
View Details
Electric Power
DG300 (3-Phase)
DG300 (3-Phase)
Frequency
60 Hz
60 Hz
Natural Gas Rating
300 ekW
300 ekW
Emissions/Fuel Strategy
U.S. EPA Non-Emergency Certified
U.S. EPA Non-Emergency Certified
View Details

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