Gas Generator Sets

Cat G3520C Gas Generator

Maximum Continuous Rating 2050 ekW

Fuel Type Natural Gas, Biogas, Coal Gas

Maximum Electrical Efficiency 40.10%

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.

Feature Image
Cat G3520C Gas Engine

Robust high speed block design provides prolonged life and lower owning operationg costsDesigned for maximum performance on low pr…

  • 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
MORE DETAILS
Feature Image
SR4B or SR5 Generator

Designed to match performance and output characteristics of Caterpillar gas enginesIndustry leading mechanical and electrical desi…

  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency
MORE DETAILS
Feature Image
EMCP 4.3 Control Panel

User-friendly interface and navigationScalable system to meet a wide range of installation requirementExpansion modules and site-s…

  • 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
MORE DETAILS
Feature Image
Cat Electronic Control System

Simple user friendly interface and navigationDigital monitoring, metering and protection settingFully-featured power metering and…

  • 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
MORE DETAILS
Emissions

Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment

  • Meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
MORE DETAILS
Proven System

Field proven in a wide range of applications worldwideFully prototype testedCertified torsional vibration analysis available

  • Field proven in a wide range of applications worldwide
  • Fully prototype tested
  • Certified torsional vibration analysis available
MORE DETAILS
Feature Image
Full Range of Attachments

Wide range of bolt-on system expansion attachmentsFactory designed and testedFlexible packaging options for easy and cost effectiv…

  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation
MORE DETAILS
Feature Image
World Wide Product Support

Cat dealers have over 1,800 dealer branch stores operating in 200 countriesYour local Cat dealer provides extensive post-sale supp…

  • 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
MORE DETAILS

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
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)

Technical Specifications

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

Frequently Compared Machines

See how this model compares against similar machines to find the perfect match.

Service Solutions

We have an extensive team of experts to help you enhance every aspect of your operations.

Warranty & Guarantee
Warranty & Guarantee
Rest assured. When you buy a Cat® machine or power system from Mantrac, it comes with industry-leading warranties and world-class administration support.
Technology
Technology
Mantrac provides cutting-edge Cat® technology to help you keep your jobsite connected, reducing the risk of downtime while enhancing productivity and profitability.
Financing
Financing
We provide flexible financing options, because we know our products and services have great potential to boost your profitability.