G3520E Gas Generator Set

Maximum Electrical Efficiency
42.4%
Maximum Standby Rating
2039
Engine Model
G3520E
Maximum Continuous Rating
2022

Specs

Gas Generator Sets Specification

Maximum Electrical Efficiency
42.4%
Maximum Standby Rating
2039

Engine Specification

Engine Model
G3520E

Generator Sets Specification

Maximum Continuous Rating
2022

Generator Set Specifications

Fuel Type
Natural Gas

Generator Sets Specifications

Frequency
50
RPM
1500
Maximum Electrical Efficiency
41.50%
Maximum Standby Rating
2022

Engine Specifications

Bore
6.7in
Stroke
7.5in
Displacement
5248
Aspiration
TA
Engine Model
G3520E
Compression Ratio
11.9
Fuel System
Natural Gas

Generator Set Dimensions

Length
271in
Width
79in
Height
107in
Dry Weight - Genset
39306lb

Features

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

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

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 provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠„ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

Cat dealers provide extensive post-sale support including maintenance and repair agreements. Cat dealers have over 1,800 dealer branch stores operating in 200 countries. The Caterpillar S•O•S℠„ program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products

CAT SR5 Generator

Designed to match performance and output characteristics of Caterpillar gas engines. Industry leading mechanical and electrical design. High efficiency

Designed to match performance and output characteristics of Caterpillar gas engines. Industry leading mechanical and electrical design. High efficiency

CAT EMCP4.3 Control Panel

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4.3 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4.3 systems can be further customized to meet your needs through programming and expansion modules.

The EMCP controller features the reliability and durability you have come to expect from your Cat equipment. EMCP4.3 is a scalable control platform designed to ensure reliable generator set operation, providing extensive information about power output and engine operation. EMCP4.3 systems can be further customized to meet your needs through programming and expansion modules.

Proven System

Field proven in a wide range of apllications worldwide, fully protype tested, and certified torsional vibration analysis available

Field proven in a wide range of apllications worldwide, fully protype tested, and certified torsional vibration analysis available

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

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

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

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

Standard Equipment

  • Air Inlet
    • Two-element single-stage air cleaner with enclosure and service indicator
  • Control Panel
    • EMCP 4.3
  • Cooling
    • Engine driven water pumps for jacket water and aftercooler
    • Standard CAT Flange
    • Right-Hand/Left-Hand Outlet Connections
    • ANSI/DN adapter flange connections 
  • Exhaust
    • Dry exhaust manifolds, insulated and shielded
    • Individual  exhaust port and turbocharger outlet wired to Integrated Sensing Module (ISM) with Gas ECM 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
    • Engine installed, fuel metering valve
    • 24V ETR Gas Shutoff Valve
    • Fuel filter
  • Ignition System
    • Electronic Ignition System (controlled by GECM) 
    • Individual Cylinder Detonation Sensitive Timing (DST) 
  • Generator
    • SR5
    • 3-phase brushless, salient pole
    • Permanent Magnet Excitiation
    • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF
    • Anti-condensation space heater
    • Winding temperature detectors
    • Bus bar connections
  • General
    • RH Service

Optional Equipment

  • Air Inlet
    • Regular duty air cleaner
    • Heavy duty air cleaner
  • Contol Panel
    • Local NFPA99-110 Alarm Module w/LEDs
    • Custom 8-Light Alarm Module
    • Synchronizing Module
    • Engine Failure Relay
    • PL1000E/PL1000T Communications Module
    • Remote 24V-32V 8/16 Light Annunciator
  • Cooling
    • Aftercooler air lines, aftercooler core replacement
    • Jacket water coolant heater
    • Engine Pumps
    • Inlet/Outlet connections
    • Cat Flange, ANS/DIN Adapter Flange
  • Exhaust
    • 356-406mm Flange and Exhaust Expander
    • 305/356mm Flange/Exhaust Expanders, 305/406mm Flange and Exhaust Expander
    • 305/360/406 mm Elbow Kits
    • Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
    • Flexible Fittings
    • 15/18/25 dBA Muffler Attenuation
    • 16" Spark Arresting Muffler
  • Fuel System
    • Gas Train (31.5 MJ/Nm3 with inlet pressure 19.2 to 48.3 kPa (2.78 to 7 psi))
    • Gas Train 0-100 kPag, 4-20mA pressure sensors
    • Fuel Filter, Gas Filter
    • 24VDC Gas Shutoff Valve, Gas Knockdown Regulator
  • Generator
    • Low voltage extension box
    • Cable access box
    • Bearing temperature detectors
    • Generator air filter
    • Medium and high voltage generators and attachment
    • 8.7/15 kV Cross, Differential, Current Transformers (CCCT, DCT, CT)
    • Annunciator modules
    • 415/400/380, 3300/6600/11000 Volt Generator Options (50 Hz)
    • 480/4160/13200 Volt Generator Options (60 Hz)
    • 16 Point/32 light annunciator with NFPA99-110/CSA282 configuration
    • 8/15/23M harness
    • Extension box, European bus bars
    • Air filters, cable access box
  • Governing System
    • Load share module
  • Starting/charging
    • Battery with cables and rack (shipped loose)
    • Jacket water coolant heater
    • 45A, 24V charging alternator (requires engine driven pumps)
    • Battery diconnect switch
    • 20A Battery Charger
    • 24V Starting Motors