G3520C Gas Generator

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Continuous Rating 2050 ekW
Frequency 50 / 60 Hz
Fuel Type Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency 40.10%
Maximum Standby Rating 2050
RPM 1200 / 1500 / 1800 rpm
Aspiration TA
Bore 6.7in
Compression Ratio 11.3
Displacement 5270in³
Engine Model G3520C
Fuel System Natural Gas, Biogas, Coal Gas
Stroke 7.5in
Dry Weight - Genset 37959lb
Height 92in
Length 249in
Weight 37953lb
Width 79in

Standard Equipment:

  • Air Inlet
    • Two-element single-stage air cleaner with enclosure and service indicator
  • Control Panels
    • EMCP 4.3
  • Cooling
    • ANSI Class 6 in/DN customer flange connections for JW inlet and outlet
    • Engine driven water pumps for jacket water and aftercooler
    • 2nd Stage SCAC-Cat Flange
    • Jacket water and SCAC driven pumps
    • Jacket water and SCAC thermostat and outlet--ANSI 6 in/DN150
  • Exhaust
    • Dry exhaust manifolds, insulated and shielded
    • Cat-flanged face outlet on turbocharger
    • Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
  • Fuel System
    • Fuel system is sized for 31.5 to 47.2 MJ/NM3 dry pipeline natural gas with pressure of 10.2 to 34.5KPa to the engine fuel control valve
    • Electronic fuel metering valve, ANSI flange
    • Throttle plate, 24V DC actuator, controlled by GECM
    • 24V ETR Gas Shutoff Valve
  • Ignition System
    • Electronic Ignition System (controlled by GECM)
    • Individual Cylinder Detonation Sensitive Timing (DST)
  • Generator
    • 3-phase brushless, salient pole
    • Class F Insulation & temperature rise
    • Reactive droop
    • Permanent Magnet Excitiation
    • Winding temperature detectors
    • Anti-condensation space heater
    • SR4B or SR5
    • Busbar connections
    • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
    • SR4B
  • General
    • Crankshaft Vibration Damper and Guard
    • RH Service
    • Parts Book
    • Operation and maintenance manuals
    • Paint - Caterpillar Yellow except rails and radiators gloss black

Optional Equipment:

  • Air Inlet
    • Enclosure Mounting Brackets and Piping
    • Mounting stand
    • Air cleaner with precleaner
  • Contol Panel
    • Custom 8-Light Alarm Module
    • Local NFPA99-110 Alarm Module w/LEDs
    • Remote 24-32V 8/16 Annunciator
    • Synchronizing Module
    • PL1000E/PL1000T Communications Module
    • Engine Failure Relay
  • Control Panels
    • Local alarm module
  • Cooling
    • Inlet/Outlet connections
    • Engine pumps
    • Aftercooler air lines, aftercooler core replacement
    • Jacket water coolant heater
  • Exhaust
    • Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
    • Exhaust expanders
    • Flexible fittings
    • 305/360/406 mm Elbow Kits
  • Fuel System
    • 14-69 kPa (2-10 psi) gas pressure regulator
    • Fuel filter
    • 24V DC Gas shutoff valve
    • 207-276kPa, 30-40 psi gas knockdown regulator
  • Generator
    • Generator Removal
    • Annunciator Modules
    • Medium and high voltage generators and attachment
    • 60 Hz--480/4160 Volt Generator Options
    • Cable access box
    • Generator air filter
    • European Bus Bars
    • Low voltage extension box
    • Bearing temperature detectors
    • 8.7/15 kV Class Current Transformers (CCCT, DCT, CT)
    • 50 Hz--3300/6600 Volt Generator Options
  • Governing System
    • Load share module
  • Starting/charging
    • Jacket water heater
    • Battery diconnect switch
    • 24V starting motors
    • Battery with cables and rack (shipped loose)
    • 60A, 24V charging alternator (requires engine driven pumps)
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.