Producing reliable power of 300 ekW at 60 Hz, our D300 GC diesel generator set are designed to ISO 8528-5 transient response requirements. The D300 GC generator sets are engineered to EPA Stationary Emergency (Tier 3) emissions standards.

Compare Models
Generator Set Specifications
expand / collapse icon
Minimum Rating 300 ekW 300 ekW
Maximum Rating 300 ekW 300 ekW
Emissions/Fuel Strategy EPA Stationary Emergency EPA Stationary Emergency
Voltage 208 to 600 Volts 208 to 600 Volts
Frequency 60 Hz 60 Hz
Speed 1800 rpm 1800 rpm
Duty Cycle Standby Standby

Cat Generator Set Package

  • Cat generator set packages have been fully prototype tested
  • Accepts 100% block load in one step and meets NFPA 110 loading requirements
  • Conform to ISO 8528-5 steady state and transient response requirements

Cat Diesel Engine

  • Reliable, rugged, durable design
  • Field-proven in thousands of applications worldwide
  • Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight

M-Frame Alternator

  • Superior motor starting capability minimizes need for oversizing alternator
  • Designed to match performance and output characteristics of Cat diesel engines
  • Robust Class H insulation

GCCP 1.2 Control Panel

  • User-friendly interface and navigation
  • Expansion modules and site-specific programming for specific customer requirements

Cooling System

  • Designed to operate in standard ambient temperatures up to104°F (40°C)
  • Contact your Cat Dealer for specific ambient and altitude capabilities


  • UL 2200 Listed
  • ULC Certification Available

One Safe Source

  • Components used in the generator set are selected based on seamless design integration to provide the optimum 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

World Wide 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

D300 GC Standard Equipment

Air Inlet System
expand / collapse icon
  • Aftercooler core
  • Turbocharger
  • Air cleaner - Non-Canister, Disposable

D300 GC Optional Equipment

Air Inlet System
expand / collapse icon
  • Air Cleaner (Non-Canister Disposable)