G3520C Gas Generator Sets
G3520C Gas Generator Sets
G3520C Gas Generator Sets
G3520C Gas Generator Sets
Gas generator sets

G3520C

From low energy 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.

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Generator Set Specifications
Continuous Rating1972 ekW
Fuel TypeLow Energy, Biogas, Coal Gas
Maximum Electrical Efficiency40.10%
Maximum Standby Rating1972
Frequency50 / 60 Hz
RPM1200 / 1500 / 1800 rpm
Engine Specifications
Engine ModelG3520C
Displacement5270 in³
AspirationTA
Bore6.7 in
Stroke7.5 in
Fuel SystemLow Energy, Biogas, Coal Gas
Compression Ratio11.3
Generator Set Dimensions
Length249 in
Width79 in
Height92 in
Dry Weight - Genset37959 lb
Weight37953 lb

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
  • Gas Generator Set 50 and 60 Hz Ratings Guide
    application/pdf
    Download ↓
  • Electric Power Rating Guide
    application/pdf
    Download ↓
  • G3520C Natural Gas Data Sheet
    application/pdf
    Download ↓
  • G3520C Low Energy Gas Data Sheet
    application/pdf
    Download ↓
  • G3520C Coal Seam Gas Data Sheet
    application/pdf
    Download ↓

Need installed dimensions with enclosure and tank? See Model Configurations