G3520C Gas Generator

Product Description

From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.

Generator Set Specifications

Continuous Rating
2050 ekW
Fuel Type
Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency
Maximum Standby Rating
50 / 60 Hz
1200 / 1500 / 1800 rpm

Engine Specifications

Engine Model
Fuel System
Natural Gas, Biogas, Coal Gas
Compression Ratio

Generator Set Dimensions

Dry Weight - Genset

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)