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D300 GC (60 Hz) Generator Set

Maximum Rating

300 ekW

Minimum Rating

300 ekW

Emissions/Fuel Strategy

EPA Stationary Emergency


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.


360° View


360° Exterior view. Double click on the image to zoom in on any area of the product.


360° Interior view. Double click on the image to zoom in on any area of the product.


D300 GC, Virtual Product Tour



  • Generator Set Specifications
    Spec Value
    Maximum Rating 300 ekW
    Minimum Rating 300 ekW
    Emissions/Fuel Strategy EPA Stationary Emergency
    Voltage 208 to 600 Volts
    Frequency 60 Hz
    Speed 1800 rpm
    Duty Cycle Standby
  • Engine Specifications
    Spec Value
    Engine Model Cat® C9 In-line 6, 4-cycle diesel
    Bore 4.4 in
    Stroke 5.9 in
    Displacement 538 in³
    Compression Ratio 16.3:1
    Aspiration Turbocharged Air-to-Air Aftercooled
    Fuel System HEUI
    Governor Type Adem™A4
  • Generator Set Dimensions
    Spec Value
    Length - Maximum 155.5 in
    Width - Minimum 56.3 in
    Width - Maximum 56.7 in
    Height - Minimum 67.2 in
    Height - Maximum 86.7 in
    Dry Weight - Genset (minimum) 5518.2 lb
    Dry Weight - Genset (maximum) 6929.1 lb

Standard Equipment

Air Inlet System

  • Aftercooler core
  • Turbocharger
  • Air cleaner - Non-Canister, Disposable

Control Panel

  • GCCP 1.2

Cooling System

  • Jacket water pump, gear driven, centrifugal
  • Thermostats and housing.
  • Coolant drain valve.
  • Radiator sight gauge
  • Blower fan and fan drive with guards
  • Radiator, Package mounted.

Exhaust System

  • Exhaust manifold; dry

Fuel System

  • Integral Tank Base, 24 Hrs, UL142
  • Fuel priming pump
  • Engine fuel transfer pump
  • Primary fuel filter w/integral water separator and secondary filter, spin on

Generator Set

  • Complete system designed & built at ISO 9001:2000 certified facilities
  • All protective devices and control functions simulated and checked
  • Factory tested to design specifications at full load conditions

Generators and Generator Attachments

  • IP23 protection
  • 12 Leads
  • Insulation, Class H
  • Standard winding protection for non-harsh environments with relative humidity ? 95%
  • Voltage regulator (single phase sensing)
  • Easy access to AVR and terminals
  • Terminal Box, IP22 RHS Facing, Bottom Cable Entry
  • Brushless, self-excited 2/3 pitch (600V uses Internal Excitation)

Governing System

  • Cat Electronic Governor (ADEM A4)

Lube System

  • Shallow oil pan.
  • Oil cooler
  • Fumes disposal to front of radiator.
  • Oil drain with valve.
  • Oil filler and dipstick.
  • Oil filter, spin on.
  • Lubricating Oil, CK-4 (10W-30)

Mounting System

  • Captive linear vibration isolators between base and engine-generator
  • Includes lifting provisions and termination points for coolant and lube oil drain lines


  • Safety Shutoff - High water temperature
  • Safety Shutoff - Low Oil Pressure
  • Safety Shutoff - Overspeed

Starting/Charging System

  • 24-volt electric starting motor.
  • 24V, 45 amp charging alternator.


  • Lifting Eyes
  • Vibration damper.
  • Parts Book

Optional Equipment

Air Inlet System

  • Air Cleaner (Non-Canister Disposable)

Bases, Mounting & Fuel Tanks

  • Integral Tank Base, 24 Hrs, UL142
  • Audio & Visual Fuel Alarm (@90% Fuel Level)
  • Wide Base - Skid
  • Fuel Tank Fill Pipe & Lockable Cap

Circuit Breaker

  • 400A LSI
  • 600A LSI
  • 1200A LSI
  • 800A LS/I
  • Auxiliary Contacts
  • 600A LS/I
  • 1200A LS/I
  • 400A LS/I
  • 800A LSI

Control System

  • Audible Alarm Gp
  • 16 -light NFPA 99/110 Annunciator
  • Twist Release, Red Button Emergency Stop
  • Ground Fault Relay
  • 100A Load Center
  • Product Link Remote Monitoring hardware
  • 20A GFCI (Ground Fault Circuit Interrupter)
  • Volt Free Contacts


  • Sound Attenuated Level 2 Enclosure (White)
  • AC & DC Source Lights
  • E-Stop

Exhaust System

  • 6" Muffler - 25 dBA Attenuation
  • Manifold & Turbocharger Guards
  • Flexible Exhaust Connection


  • Space Heater
  • Permanent Magnet Generator

Starting System

  • Battery Charger (UL Certified)
  • Jacket Water Heater
  • Standard Battery Set: 1000 CCA, 90 amp/hr.


  • CSA Certification
  • Extended Service Coverage
  • UL2200 Certification
  • Generator Test Report