D550 GC

D550 GC (60 Hz) Generator Set

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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Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext550 ekW
Maximum Ratingtext550 ekW
Minimum Ratingtext550 ekW

View All Specifications (22)

Documents & Spec Sheets

Electric Power Ratings Guide

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D550 GC, C18, 60 Hz 550 ekW Spec Sheet

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Cat® GC Generator Set Brochure for North America

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D250 - D600 GC Enclosure Brochure

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GCCP 1.2 Control Panel Data Sheet

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GCCP 1.5 Control Panel Data Sheet

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Features & Benefits

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
SR500 Alternator

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 to104°F (40°C)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
Certifications
  • 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

Complete Specifications

Generator Set Specifications

NameTypeValueUnit Value (Imperial)Unit NameUnit Value (Metric)Unit Name (Metric)
Standby Ratingtext550 ekW
Maximum Ratingtext550 ekW
Minimum Ratingtext550 ekW
Frequencytext60 Hz
Emissions/Fuel StrategytextU.S. EPA Tier 2 Certified
Voltagetext480 to 600 Volts
Speedtext1800 rpm
Duty CycletextStandby
Engine ModeltextCat® C18 In-line 6, 4-cycle diesel
Boremeasurement5.7in145mm
Strokemeasurement7.2in183mm
Displacementmeasurement1106in³18.1l
Compression Ratiotext14.5:1
AspirationtextTurbocharged Air-to-Air Aftercooled
Fuel SystemtextMEUI
Governor TypetextADEM™A4
Length - Maximummeasurement196.1in4980mm
Width - Maximummeasurement73.4in1865mm
Height - Minimummeasurement79.1in2009mm
Height - Maximummeasurement100.9in2563mm
Dry Weight - Genset (minimum)measurement8776.6lb3981kg
Dry Weight - Genset (maximum)measurement11464lb5200kg

Standard Equipment

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

Optional Equipment

Air Inlet System

  • Air cleaner (Non canister disposable)

Bases, Mounting & Fuel Tanks

  • Integral tank base, 24 hours, UL142
  • Fuel tank pill pipe & lockable cap
  • Audio & visual fuel alarm (@90% fuel level)
  • 5 Gallon Spill Containment
  • Overfill prevention valve
  • Wide Base - Skid

Circuit breaker

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

Control System

  • Volt free contacts
  • 20A GFCI (Ground Fault Circuit Interrupter)
  • 16 -light NFPA 99/110 Annunciator
  • Twist release, Red button emergency stop
  • Product link remote monitoring hardware
  • 100A Load center
  • Ground fault relay
  • Audible alarm Gp
  • Annunciators box
  • Remote E-Stop button
  • Local annunciator
  • Discrete I/O module
  • Volt free contact
  • Earth (Ground) fault relay

Enclosures

  • Sound attenuated Level 2 enclosure (White)
  • AC & DC Source lights
  • E-Stop
  • Sound attenuated enclosure

Exhaust System

  • Flexible exhaust connection
  • Manifold and turbocharger guards
  • 8" Muffler - 25 dBA attenuation

Generator

  • Space heater
  • Permanent magnet excitation (PMG) generator

Starting System

  • Standard battery set: 1000 CCA, 90 amp/hr.
  • Battery charger (UL Certified)
  • Jacket water heater
  • Oversize battery set, 1400 CCA, 200 amp/hr

General

  • CSA Certification
  • Extended Service Coverage
  • UL2200 Certification
  • Generator test report
  • Tool set

Circuit breakers

  • Single LSI motorised circuit breaker
  • Auxiliary contacts
  • Neutral bar (208V)

Cooling System

  • Jacket water heater with pump
  • Coolant heater
  • Stone guards

Base / Fuel Tank

  • Audio & visual fuel alarm

Fuel System

  • Integral 8 hour tank base

Starting and Charging

  • Oversize battery set
  • Battery disconnect switch
  • 5 Amp Battery charger
  • Standard battery set

Certifications

  • UL2200 Listed
  • CSA 22.2
  • Seismic

Lube System

  • Manual sump pump

Attachments