C4.4 | DE125AE0

C4.4 | DE125AE0

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

Maximum Rating 110.0 kVA 110.0 kVA
Minimum Rating 100.0 kVA 100.0 kVA
Emissions/Fuel Strategy Non-Certified Emissions Non-Certified Emissions

Technicial Specifications

Generator Set Specifications
Maximum Rating 110.0 kVA 110.0 kVA
Minimum Rating 100.0 kVA 100.0 kVA
Emissions/Fuel Strategy Non-Certified Emissions Non-Certified Emissions
Voltage 220 to 380 Volts 220 to 380 Volts
Frequency 50 Hz 50 Hz
Speed 1500 rpm 1500 rpm
Duty Cycle Standby, Prime Standby, Prime
Engine Specifications
Engine Model Cat® C4.4 Cat® C4.4
Bore 4.1 in 105 mm
Stroke 5 in 127 mm
Displacement 268.5 in³ 4.4 l
Compression Ratio 18.23:1 18.23:1
Aspiration Turbocharged Turbocharged
Fuel System Direct Injection Direct Injection
Governor Type Electronic Electronic
Generator Set Dimensions
Length - Maximum 78 in 1980 mm
Width - Maximum 890 mm 35 in
Height - Maximum 54.2 in 1376 mm
Dry Weight - Genset (maximum) 2348 lb 1065 kg

Advantages and Features

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 8528-3 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

GTA 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

EMCP 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


Fully prototype tested with certified torsional vibration analysis 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

  • Engine
    • C4.4, Inline 4 cylinder, 4 stroke diesel
  • Control panel
    • EMCP 4.1 Control panel
  • Governing system
    • Electronic Governor
  • Alternator
    • GTA Frame standard alternator
  • Fuel Storage
    • Single wall 8 hour fuel tank
  • Enclosure
    • Modular easy access acoustic enclosure
  • Air, Cooling & Exhaust
    • Enclosure silencer
  • General
    • Engine and alternator pre-paint, Caterpillar yellow