DG125 (60 Hz)

Robust Spark Ignited Engine

  • Reliable, rugged, durable design
  • 6.2L TCAC spark ignited dual fuel engine compatible with natural gas and propane delivers consistent performance and excellent fuel economy with lower emissions.

Self-Regulated Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat engines
  • Robust Class H insulation
  • High-efficiency alternators with flexible packaging and easy installation
  • Ease of serviceability and longer life

Cooling System

  • Designed to operate in standard ambient temperatures up to 50°C (122°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities

GCCP1.2 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Site-specific programming for specific customer requirements

One Safe Source

  • Components used in the generator set are selected at the design stage to provide optimum package performance
  • The generator set is fully assembled at a Caterpillar facility following our quality guidelines
  • Each generator set package is tested before leaving the Caterpillar facility
  • Cat product support, including dealer service, parts and warranty covers the entire Cat power system


  • UL2200
  • IBC Seismic
  • NFPA110

Worldwide Product Support

  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements
Generator Set Specifications
Frequency 60 Hz
Gas Standby Rating 125 ekW
Emissions/Fuel Strategy U.S. EPA Certified for Stationary Emergency and Non-Emergency Application
Voltage 208-600
Speed 1800 rpm
Engine Specifications
Engine Model V8, 6.2L TCAC
Bore 101.6 mm (4 in)
Stroke 95.3 mm (3.75 in)
Displacement 6.2 l (378.3 inu00b3)
Compression Ratio 9.8:1
Aspiration TCAC
Fuel System Electronic
Generator Set Dimensions
Length 2438 mm (96 in)
Width 1295 mm (51 in)
Height 1448 mm (57 in)
Dry Weight - Genset 1464 kg (3226 lb)
Generator Set Specifications
Natural Gas Rating 125 ekW

Standard Equipment

  • Control Panel
    • GCCP1.2

Optional Equipment

  • Starting/Charging
    • Jacket water heater
  • Fuel System
    • Gas Regulator
  • General
    • Single element or dual element air cleaner
    • Circuit breaker panel, based on regional and product configuration

Enquiry Form

    This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.