D550 GC Open Set
D550 GC Open Set
D550 GC Open Set
D550 GC Open Set
Enclosure
Enclosure
Diesel generator sets

D550 GC

The D550 GC diesel generator sets were developed to meet your needs in a standby application. Producing reliable power of 550 ekW at 60 Hz, meeting ISO 8528-5 transient response requirements and built to accept 100 % rated load in one step. Our D550 GC generator sets meet EPA Stationary Emergency (Tier 2) certified emissions requirements.

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Have questions? Call 800.768.4200
Generator Set Specifications
Standby Rating550 ekW
Frequency60 Hz
Emissions/Fuel StrategyU.S. EPA Tier 2 Certified
Voltage480 to 600 Volts
Speed1800 rpm
Duty CycleStandby
Engine Specifications
Engine ModelCat® C18 In-line 6, 4-cycle diesel
Bore5.7 in
Stroke7.2 in
Displacement1106 in³
Compression Ratio14.5:1
AspirationTurbocharged Air-to-Air Aftercooled
Fuel SystemMEUI
Governor TypeADEM™A4
Generator Set Dimensions
Length - Maximum196.1 in
Width - Maximum73.4 in
Height - Minimum79.1 in
Height - Maximum100.9 in
Dry Weight - Genset (minimum)8776.6 lb
Dry Weight - Genset (maximum)11464 lb

Air Inlet System

  • Air cleaner - Non canister, disposable
  • Aftercooler core
  • Turbocharger

Control Panel

  • GCCP 1.2

Cooling System

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

Exhaust System

  • Exhaust manifold - dry

Fuel System

  • Fuel priming pump
  • Primary fuel filter w/integral water separator and secondary filter, spin on
  • Engine fuel transfer pump
  • Fuel cooler
  • Integral tank base, 24 hours, UL142

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

  • Insulation system, Class H
  • Standard winding protection for non-harsh environments with relative humidity ? 95%
  • Terminal box, IP22 RHS facing, bottom cable entry
  • IP23 Protection
  • 6 Leads
  • Voltage regulator (single phase sensing)
  • Easy access to AVR and terminals
  • Brushless, self-excited 2/3 pitch (600V uses Internal excitation (IE))

Governing System

  • Cat electronic governor (ADEM A4)

Lube System

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

Mounting System

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

Protection

  • Safety shutoff - Overspeed
  • Safety shutoff - Low oil pressure
  • Safety shutoff - High water temperature

Starting/Charging System

  • 24-volt electric starting motor
  • 24V, 45 Amp Charging alternator

General

  • Lifting eyes
  • Parts book
  • Vibration damper
  • Electric Power Ratings Guide
    application/pdf
    Download ↓
  • D550 GC, C18, 60 Hz 550 ekW Spec Sheet
    application/pdf
    Download ↓
  • Cat® GC Generator Set Brochure for North America
    application/pdf
    Download ↓

Need installed dimensions with enclosure and tank? See Model Configurations