D50 GC Generator Set

D50 GC Generator Set

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

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Generator Set Specifications

Maximum Rating
50 ekW
Minimum Rating
50 ekW
Emissions/Fuel Strategy
U.S. EPA Cert., Tier 3, SCAQMD Compliant
208 to 600 Volts
60 Hz
1800 rpm
Duty Cycle

Engine Specifications

Engine Model
C4.4, In-line 4, 4-cycle diesel
Compression Ratio
Fuel System
Common Rail
Governor Type
Mechanical, ADEM™A4

Generator Set Dimensions

Length - Maximum
Width - Maximum
Height - Maximum
Dry Weight - Genset (maximum)

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
  • 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


  • 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

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:

Optional Equipment:

    • IBC seismic and wind Certifications
    Air Inlet System
    • Cartridge type air filter
    Alternator System
    • R Frame auxilliary winding
    Charging System
    • NFPA battery charger UL10A 120VAC
    Circuit Breakers
    • Breakers (100% UL rated)
    • Power terminal strip
    • 3-Pole 100% rated
    • Second circuit breaker box
    Control Panels
    • Volt free contacts genset run and common alarm
    • Oil temperature gauge and sender
    • Remote E-stop button
    • Protective devices: Low coolant temperature alarm - Low coolant level shutdown - Fuel level reading - Overload shutdown via breaker
    • Audible alarm
    • Remote annunciator module
    • Discrete I/O module
    • NFPA110 bundle includes: FSS Low fuel level alarm & indication panel circuitry required when sub-base tank is selected - WSS1 Low coolant level shut down - WCA1 Low coolant temperature alarm - PAA1 Panel mounted audible alarm - PBC10NU NFPA battery charger - A Coolant heater ,remote annunciator or 0.8 power factor test may be required depending on the application
    • Ground fault relay
    Cooling System
    • Radiator transition flange
    • External emergency stop
    • Sound attenuated enclosure, Level 2
    • Panel viewing window
    Exhaust System
    • 10, 25 and 35 dBA silencer systems
    • Overhead silencer mounting kit
    Fuel System
    • 5 Gallon spill containment
    • 209 and 394 gallon sub-base fuel tanks
    • Tank riser
    • Emergency vent pipe
    • 5 Gallon fill containment
    Heating Elements
    • Coolant heater
    • Wiring for canopy space heater
    • Battery heater
    • Lube oil sump heater
    • Anti-condensation heater
    • Wiring for canopy space heater
    • Jacket water heater
    • Permanent magnet excitation (PMG) generator
    • Permanent magnet excitation (PMG) generator
    Mounting System
    • Seismic vibration isolators
    • 4 Hour factory test
    • PGS Test report @ 1.0 power factor
    • PGS Test report @ 0.8 power factor
    • Generator test report