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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.

Gas Generator Sets Specification

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

Engine Specification

Engine Model G3520C G3520C Less
Bore 6.7 in 170.0 mm Less
Stroke 7.5 in 190.0 mm Less
Displacement 5270.0 in3 86.0 L Less
Aspiration TA TA Less

Generator Set Dimension

Length 251.0 in 6367.0 mm Less
Width 79.0 in 1997.0 mm Less
Height 92.0 in 2340.0 mm Less
Dry weight genset 37959.0 lb 17215.0 kg Less

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 Cat® S•O•SSM program cost effectively detects internal engine component condition, even the presence of unwanted fluids and combustion by-products.

Proven system

Cat SR4B Generator

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

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

Emissions

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

CAT® G3520C 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 hamber 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

G3520C Standard Equipment

Air Inlet
  • Two-element single-stage air cleaner with enclosure and service indicator

Control Panels
  • 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 radiators gloss black
  • Crankshaft vibration damper and guard
  • Operation and maintenance manuals
  • Parts book

G3520C Optional Equipment

Air Inlet
  • Mounting stand
  • Air cleaner with preleaner

Control Panels
  • 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)

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

Start/Charging
  • Battery charger
  • Oversized battery
  • Jacket water heater
  • Charging alternator

General
  • Crankcase explosion relief valve
  • Engine barring group
  • EEC D.O.I and other certifications

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
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