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Gas Generator Sets

Caterpillar and your local Cat® Dealer are ready for all your power generation demands. From diesel and gas generator sets to uninterruptible power supplies, automatic transfer switches and electrical switchgear, our experienced worldwide dealer network can deliver the power systems and support you need.

G3520C Gas Generator

G3520C Gas Generator

  • Specification Summary

  • Maximum Continuous Rating 2077 ekW
  • Fuel Type Natural Gas, Biogas, Coal Gas
  • Maximum Electrical Efficiency 40.4%
  • Maximum Standby Rating 2000
  • Specification Sheet


Product Details

Gas Generator Sets Specification

Maximum Continuous Rating 2077 ekW
Fuel Type Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency 40.4%
Maximum Standby Rating 2000
Frequency 50/60Hz
rpm 1200/1500/1800rpm

Engine Specification

Engine Model G3520C
Bore 170 mm
Stroke 190 mm
Displacement 86 L
Aspiration TA

Generator Set Dimension

Length 6367 mm
Width 1997 mm
Height 2340 mm
Dry weight genset 17215 kg
  • Air Inlet
    •  Two-element single-stage air cleaner with enclosure and service indicator
  • Control Panels
    •  EMCP II+
  • EMCP II+
    • Cooling
      •  Engine driven water pumps for jacket water and aftercooler
      •  Jacket water and SCAC thermostats
      •  ANSI/DN customer flange connections for JW inlet and outlet
    • Exhaust
      •  Dry exhaust manifolds, insulated and shielded
      •  Center section cooled turbocharger with Cat flanged outlet
      •  Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns
    • Fuel system
      •  Throttle plate, 24V DC actuator, controlled by GECM
      •  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
    • Generator
      •  SR4B
      •  Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
      •  Bus bar connections
      •  Anti-condensation space heater
      •  Reactive droop
      •  Winding temperature detectors
    • Starting/Charging
      •  24V starting motors
      •  Battery with cables and rack(shipped loose)
      •  Battery disconnect switch
      •  60A, 24V charging alternator (standard on 60Hz 1800 rpm only)
    • General
      •  Paint - Caterpillar Yellow except rails and radiatorsgloss black
      •  Crankshaft vibration damper and guard
      •  Operation and maintenance manuals
      •  Parts book
    • Paint - Caterpillar Yellow except rails and radiatorsgloss black
      • Crankshaft vibration damper and guard
        • Operation and maintenance manuals
          • Parts book
            • Air Inlet
              •  Mounting stand
              •  Air cleaner with preleaner
            • Mounting stand
              • Air cleaner with preleaner
                • Control Panels
                  •  Local alarm module
                  •  Remote annuciator
                  •  Remote Communications Module (PL1000T, PL1000E)
                  •  Synchronizing module
                  •  Engine failure relay
                • Local alarm module
                  • Remote annuciator
                    • Remote Communications Module (PL1000T, PL1000E)
                      • Synchronizing module
                        • Engine failure relay
                          • Cooling
                            •  Remote radiator for JW and SCAC circuits, level switch included but not wired
                            •  Coolant level drain line with valves, fan with guard
                            •  Inlet/Outlet connections
                          • Exhaust
                            •  Flange
                            •  Exhaust expander
                            •  Elbow
                            •  Flexible fitting
                            •  Muffler and spark-arresting muffler with companion flanges
                          • Fuel System
                            •  Fuel filter
                            •  Gas pressure regulator
                            •  Gas shutoff valve 24V, ETR (Energized-To-Run)
                          • Fuel filter
                            • Gas pressure regulator
                              • Gas shutoff valve 24V, ETR (Energized-To-Run)
                                • Generator
                                  •  Low voltage extension box
                                  •  Cable access box
                                  •  Bearing temperature detectors
                                  •  European bus bar
                                  •  Generator air filter
                                  •  Medium and high voltage generators and attachment
                                  •  Manual voltage control
                                • Low voltage extension box
                                  • Cable access box
                                    • Bearing temperature detectors
                                      • European bus bar
                                        • Generator air filter
                                          • Medium and high voltage generators and attachment
                                            • Manual voltage control
                                              • Start/Charging
                                                •  Battery charger
                                                •  Oversized battery
                                                •  Jacket water heater
                                                •  Charging alternator
                                              • Battery charger
                                                • Oversized battery
                                                  • Jacket water heater
                                                    • Charging alternator
                                                      • General
                                                        •  Crankcase explosion relief valve
                                                        •  Engine barring group
                                                        •  EEC D.O.I and other certifications
                                                      • Crankcase explosion relief valve
                                                        • Engine barring group
                                                          • EEC D.O.I and other certifications
                                                            Built for it