2039 KWe G3520E

Overview

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.

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Generator Set Specifications
Maximum Continuous Rating2022 ekW
Fuel TypeNatural Gas
Maximum Electrical Efficiency41.50%
Maximum Standby Rating2022
Frequency50
RPM1500
Engine Specifications
Engine ModelG3520E
Displacement86l
AspirationTA
Bore170mm
Stroke190mm
Fuel SystemNatural Gas
Compression Ratio11.9
Generator Set Dimensions
Length6893mm
Width2001mm
Height2727mm
Dry Weight - Genset17826kg
Control Panel
EMCP 4.3
Air Inlet
Two-element single-stage air cleaner with enclosure and service indicator
Cooling
Standard CAT Flange
Right-Hand/Left-Hand Outlet Connections
Engine driven water pumps for jacket water and aftercooler
ANSI/DN adapter flange connections 
Exhaust
Individual  exhaust port and turbocharger outlet wired to Integrated Sensing Module (ISM) with Gas ECM providing alarms and shutdowns
Dry exhaust manifolds, insulated and shielded
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
Fuel filter
Engine installed, fuel metering valve
24V ETR Gas Shutoff Valve
Throttle plate, 24V DC actuator, controlled by GECM
Ignition System
Individual Cylinder Detonation Sensitive Timing (DST) 
Electronic Ignition System (controlled by GECM) 
Generator
SR4B
Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
Busbar connections
SR5
Winding temperature detectors
Permanent Magnet Excitiation
Anti-condensation space heater
3-phase brushless, salient pole
General
RH Service
Crankshaft vibration damper and guard
Paint - Caterpillar Yellow except rails and radiators gloss black
CAT G3520E Gas Engine
  • Robust high speed block design provides prolonged life and lower owning operationg costs
  • Designed for maximum performance on low pressure pipeline natural gas
  • Simple open chamber combustion system for reliability and fuel flexibility
  • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
  • One electronic control module handles all engine functions: ignition, governing, air/fuel ratio control and engine protection
SR5 Generator
  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency
EMCP 4.3 Control Panel
  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements
CAT Electronic Control System
  • Simple user friendly interface and navigation
  • Digital monitoring, metering and protection setting
  • Fully-featured power metering and protective relaying
  • Remote control and monitor capability options
Cooling System
Emissions
  • Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
Proven System
  • Field proven in a wide range of applications worldwide
  • fully prototype tested
  • Certified torsional vibration analysis available
Full Range of Attachments
  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation
World Wide Product Support
  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements
Specifications
Generator Set Specifications
Maximum Continuous Rating2022 ekW
Fuel TypeNatural Gas
Maximum Electrical Efficiency41.50%
Maximum Standby Rating2022
Frequency50
RPM1500
Engine Specifications
Engine ModelG3520E
Displacement86l
AspirationTA
Bore170mm
Stroke190mm
Fuel SystemNatural Gas
Compression Ratio11.9
Generator Set Dimensions
Length6893mm
Width2001mm
Height2727mm
Dry Weight - Genset17826kg
Equipment
Control Panel
EMCP 4.3
Air Inlet
Two-element single-stage air cleaner with enclosure and service indicator
Cooling
Standard CAT Flange
Right-Hand/Left-Hand Outlet Connections
Engine driven water pumps for jacket water and aftercooler
ANSI/DN adapter flange connections 
Exhaust
Individual  exhaust port and turbocharger outlet wired to Integrated Sensing Module (ISM) with Gas ECM providing alarms and shutdowns
Dry exhaust manifolds, insulated and shielded
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
Fuel filter
Engine installed, fuel metering valve
24V ETR Gas Shutoff Valve
Throttle plate, 24V DC actuator, controlled by GECM
Ignition System
Individual Cylinder Detonation Sensitive Timing (DST) 
Electronic Ignition System (controlled by GECM) 
Generator
SR4B
Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
Busbar connections
SR5
Winding temperature detectors
Permanent Magnet Excitiation
Anti-condensation space heater
3-phase brushless, salient pole
General
RH Service
Crankshaft vibration damper and guard
Paint - Caterpillar Yellow except rails and radiators gloss black
Benefits & Features
CAT G3520E Gas Engine
  • Robust high speed block design provides prolonged life and lower owning operationg costs
  • Designed for maximum performance on low pressure pipeline natural gas
  • Simple open chamber combustion system for reliability and fuel flexibility
  • Leading edge technology in ignition system and air/fuel ratio control for lower emission and engine efficiency
  • One electronic control module handles all engine functions: ignition, governing, air/fuel ratio control and engine protection
SR5 Generator
  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency
EMCP 4.3 Control Panel
  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements
CAT Electronic Control System
  • Simple user friendly interface and navigation
  • Digital monitoring, metering and protection setting
  • Fully-featured power metering and protective relaying
  • Remote control and monitor capability options
Cooling System
Emissions
  • Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
Proven System
  • Field proven in a wide range of applications worldwide
  • fully prototype tested
  • Certified torsional vibration analysis available
Full Range of Attachments
  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation
World Wide Product Support
  • Cat dealers have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements