DE550S GC (60 Hz) 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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Duty Cycle Standby
Emissions/Fuel Strategy Non Regulated
Frequency 60 Hz
Maximum Rating 550 ekW
Minimum Rating 550 ekW
Speed 1800 RPM
Voltage 220 to 480 Volts
Aspiration Turbocharged Air-to-Air Aftercooled
Bore 5.4in
Compression Ratio 16.1:1
Displacement 928in³
Engine Model C15 In-line 6, 4-cycle diesel
Fuel System EUI
Governor Type Adem™A4
Stroke 6.8in
Dry Weight - Genset (maximum) 8364lb
Height - Maximum 86.1in
Length - Maximum 131in
Width - Maximum 60.6in

Standard Equipment:

  • Engine
    • Cat® C15 Inline 6 Cylinder, 4 Stroke Diesel
  • Air Inlet
    • Air Cleaner
  • Control Panels
    • GCCP 1.1
  • Governor
    • Mechanical Governor
  • Alternator
    • A Frame Standard Alternator
  • Control Panel
    • EMCP 4 Genset Controller
  • Cooling
    • Package mounted radiator
  • Fuel Storage
    • Single Wall 8 Hour Tank
  • Cooling System
    • Radiator and cooling fan with guards
    • Fan drive, battery charging alternator drive
  • Exhaust
    • Exhaust flange outlet
  • Fuel
    • Fuel priming pump
    • Secondary fuel filter
    • Primary fuel filter with integral water separator
  • Electrical Options
    • 3 Pole Circuit Breaker
    • Neutral Earth Link
    • 24 Volt battery with rack and cables
  • Air Inlet System
    • Air cleaner; light duty with disposable element
  • Lube System
    • Lubricating oil
    • Oil drain line with valve
  • Generator
    • Matched to the performance and output characteristics of Cat engines
    • Load adjustment module provides engine relief upon load impact and improves load acceptance and recovery time
    • IP23 Protection
  • Mounting System
    • Captive linear vibration isolators
    • Lifting provision and drag points
  • Power Termination
    • Bus Bar
  • Generator And Attachments
    • Integrated Voltage Regulator
    • Power center, IP22
    • Optional LC frame generator - IP23 Protection
    • Mandatory Option circuit breaker, IEC, 3 pole, mounted in power centre
    • Segregated low voltage (AC/DC) wiring panel
  • Mounting
    • Rubber vibration isolators
  • Governing System
    • Cat Electronic Governor (ADEM A4).
  • Lube System
    • Oil drain valves
    • Oil cooler
  • Mounting System
    • Captive linear vibration isolators between base and engine-generator includes lifting provisions and termination points for coolant and lube oil drain lines
  • Starting/charging
    • 24 volt starting motor
    • Batteries
    • 24 Volt battery with rack and cables
  • General
    • Engine and alternator pre paint, Caterpillar yellow
    • Paint - Caterpillar Yellow except rails and radiators gloss black
    • Engine and alternator pre paint, Caterpillar yellow

Optional Equipment:

  • Control Panel
    • Speed and Voltage Adjust Potentiometers
    • PLG 4G/3G/Ethernet
    • Annunciator
    • Emergency E-Stop
  • Exhaust
    • Industrial, Residential, Critical Mufflers
  • Enclosure
    • Cat GC Enclosure
  • Generator
    • Oversize and premium generators
    • Anti-condensation heater
    • Excitation: [ ] Permanent Magnet Excited (PM) [ ] Internally Excited (IE)
  • Electrical Options
    • 4 Pole circuit breaker
    • Auxiliary Contacts
    • Pad-lockable circuit breaker
    • Battery Charger
    • Wet Battery
  • Power Termination
    • Circuit breakers, UL listed
    • Circuit breakers, IEC compliant
  • Alternator
    • Space Heater
    • AVR
  • Air Inlet System
    • Single Stage Air Filter
    • Dual Element Air Filter
  • Starting/charging
    • Heavy-duty starting system
    • Battery chargers
    • Jacket water heater
    • Oversize batteries
    • Charging alternator
  • Certifications
    • EU certificate of conformance
    • EAC certification
  • Extended Service Coverage
    • 3, 4, 5 and 10 Years
  • General
    • The following options are based on regional and product configuration:
    • UL 2200 package
    • Integral & sub-base UL listed dual wall fuel tanks
    • Sound attenuated, weather protective or high ambient weather protective enclosure
    • EU Certificate of Conformance (CE)
    • EEC Declaration of Conformity
    • Single or dual wall integral fuel tanks
    • Single or dual wall sub-base fuel tanks
    • CSA Certification
    • Automatic transfer switches (ATS)
    • Narrow, Wide or Skid Base
    • Seismic Certification per applicable building codes: IBC 2000, IBC 2003, IBC 2006, IBC 2009, CBC 2007
  • Enclosures
    • High ambient sound attenuated enclosures
  • Exhaust System
    • Industrial Silencer
    • 10 dBA Attenuation silencer
    • 6 and 8 inch elbow kit
    • Flexible exhaust fittings
    • Manifold and turbocharger guard
    • End in / End out mufflers - 10, 25 and 35 dBA attenuation
    • Engine mounted muffler
    • 6 and 8 inch flange GP
  • Fuel System
    • Dual Wall 8Hr Fuel Tank
    • Single Wall 8Hr Fuel Tank with Spill Containment
    • Low Fuel Level Shutdown
    • Low and High Fuel Level Alarms
    • Fuel transfer system controls
    • Dual wall fuel tank base
    • Manual fuel transfer pump
  • Generator And Attachments
    • Ingress protection
    • CIP a frame generator
    • Oversize A frame generator
    • Permanent magnet generator
    • Space heaters
    • LC frame CIP generator
    • LC frame generator
    • Oversize LC frame generator
  • Lube System
    • Manual sump pump
  • Mounting System
    • Narrow skid base - replaces standard fuel tank base
  • Special Test / Reports
    • PGS Test report @ 1.0 power factor
    • PGS Test report @ 0.8 power factor
  • Starting / Charging System
    • Battery disconnect switch
    • Jacket water heater
    • 5 Amp single battery charger
Renee HerndonRenee Herndon
21:55 29 Feb 24
Dalton was very helpful, The road construction, however, was not! 😂I would rather have to sand paper an alligators @$$ in a phone booth that to get in that mess again.
Michael BirrenMichael Birren
14:58 24 Feb 24
I purchased a used C-15 from a customer of Greg Pool was a running take out. I picked up the engine from the Greg Pool Cat near Nags Head NC. They started they had done all service on this engine stated the hours and all items replaced during the life of engine under their care. I just recently put the engine in my boat after 2 years of building the vessel I find that everything they said about the engine was a LIE!!! Turbo was Bad, After cooler was not updated to the newer version for the C-15 it was missing a terminal Resistor that was clearly stolen off the engine which created a major issue with start up upon installation. Greg Pool Caterpillar stated the hours at 3300 we find out there were 5700 hours. I didn’t do a start up or test run which I regret because i was dealing with a Caterpillar dealer i thought i could trust them. Clearly not Buyers Be Ware if your dealing with Greg Pool Caterpillar in NC. I have 3 of the C-15 engines in my Work boats here in Tampa Fl and my Cat dealership here is Ring power who have done an amazing job to get me going with this Engine. I am very Disappointed in The Caterpillar company for allowing such A dealership to exist.
David LawrenceDavid Lawrence
13:04 22 Feb 24
Brandon PierceBrandon Pierce
22:00 18 Feb 24
Darin NoeDarin Noe
01:17 16 Feb 24
Jose SotoJose Soto
15:26 23 Sep 23
Hunter ElliottHunter Elliott
16:17 07 Sep 23
Rick Kelly-CrapseRick Kelly-Crapse
21:06 25 Aug 23
They had all my parts for my 3208 Cat.Friendly folks at parts counter.
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