DE400 GC (50 Hz)

DE400 GC Generator Set

The DE400 GC diesel generator sets have been developed for your standby applications. Producing reliable power of 400 kVA at 50 Hz, our C9.3 diesel-powered DE400 GC generator set is designed to ISO 8528-5 transient response requirements

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

A-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 1.1 Control Panel

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

Cooling System

  • Designed to operate in standard ambient temperatures up to 55°C (131°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities


  • CE Certification Available
  • CIS 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

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

Standard Equipment

  • C9.3B, Inline 6 cylinder, 4 stroke diesel
Air, Cooling & Exhaust
  • Standard air filter
Genset Control
  • GCCP 1.1
  • Adem A4
  • A Frame standard alternator
Fuel Storage
  • Single wall 8 hour fuel tank
  • Engine and alternator pre-paint, Caterpillar yellow

Additional information

Offering Type

Generator Set Specifications - Maximum Rating

400 kVA

Generator Set Specifications - Minimum Rating

400 kVA

Generator Set Specifications - Emissions/Fuel Strategy

Non-Certified Emissions

Generator Set Specifications - Voltage

380 to 415 Volts

Generator Set Specifications - Frequency

50 Hz

Generator Set Specifications - Speed

1500 rpm

Generator Set Specifications - Duty Cycle


Engine Specifications - Engine Model

C9.3B, I-6, 4-cycle diesel

Engine Specifications - Bore

115 mm ( 4.53 in )

Engine Specifications - Stroke

149 mm ( 5.87 in )

Engine Specifications - Displacement

9.3 l ( 567.5 in³ )

Engine Specifications - Compression Ratio


Engine Specifications - Aspiration

Turbocharged Air-to-Air Aftercooled

Engine Specifications - Fuel System

Common Rail

Engine Specifications - Governor Type


Generator Set Dimensions - Length - Maximum

2662 mm ( 104.8 in )

Generator Set Dimensions - Width - Maximum

1120 mm ( 44 in )

Generator Set Dimensions - Height - Maximum

1766 mm ( 69.5 in )

Generator Set Dimensions - Dry Weight - Genset (maximum)

2300 kg ( 5070.6 lb )

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