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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 2519 / 2500 ekW 2519 / 2500 ekW Less
Fuel Type Natural Gas Natural Gas Less
Maximum Electrical Efficiency 45.30% 45.30% Less
Frequency 50 / 60 Hz 50 / 60 Hz Less
RPM 1500 1500 Less

Generator Set Dimensions

Length 302.0 in 7668.0 mm Less
Width 86.0 in 2173.0 mm Less
Height 97.0 in 2473.0 mm Less
Dry Weight - Genset 54675.0 lb 25285.0 kg Less

Engine Specifications

Engine Model G3520H G3520H Less
Displacement 5956.0 in³ 97.5 l Less
Aspiration TA TA Less
Bore 6.7 in 170.0 mm Less
Stroke 8.5 in 215.0 mm Less
Compression Ratio 12.1 12.1 Less

Generator Set Specifications

Frequency 50/60 Hz 50/60 Hz Less

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 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 SR5 Generator

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.

Proven System

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

CAT G3520H 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

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

G3520H 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
  • Jacket water and SCAC thermostats
  • ANSI/DN customer flange connections for JW inlet and outlet

Circuit Breaker
  • Rear-mounted
  • 5000A 3-Pole IEC Rated Circuit Breakers
  • LSI Long-Time, Short-Time, Instantaneous Annunciator

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
  • Electronic fuel metering valve

Ignition System
  • Electronic Ignition System (controlled by ADEM A4)
  • Individual Cylinder Detonation Sensitive Timing (DST)

Generator
  • SR5
  • 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
  • Paint- Caterpillar Yellow except rails gloss black
  • Crankshaft Vibration Damper and Guard
  • Operation and maintenance manuals
  • RH Service
  • Parts book

Govrerning System
  • ADEM A4 4-20mA (0-5VV) Speed Input

G3520H Optional Equipment

Air Inlet
  • Mounting Brackets and Piping
  • Air cleaner with precleaner

Circuit Breaker
  • Frame Mounting�
  • No UV trip or package mounted CB Wiring
  • MP- Frame 6 Pole Bottom Cable Entry
  • 4000/5000A Neutral Current Transformer Automatic Selection

Control Panel
  • Local alarm module
  • Remote annuciator
  • Remote Communications Module (PL1000T, PL1000E)
  • Synchronizing module
  • Engine failure relay
  • Cat Connect: Ehternet, Satellite, Cell Telematics
  • Local PC Monitorring
  • Remote PC Monitorring
  • 16 Point/32 Light Annunciator, Shipped Loose
  • Discrete I/O Module, 12 Digital Inputs, 8 'Form C' Relay

Cooling
  • 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)
  • Gas Knockdown Regulator

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

General
  • US AID Emblem
  • Special paint order
  • Tool set
  • Digital diagnostic tool

Starting/Charging
  • 24V starting motors
  • Battery with cables and rack (shipped loose)
  • Jacket water heater
  • 60A, 24V charging alternator (requires engine driven pumps)

Why Choose Cat® Electric Power?

Caterpillar offers a comprehensive variety of electric power systems, customised to fit your needs. Our specialised systems deliver high power and performance in industries across the globe. With Caterpillar, you get outstanding manufacturing quality, expert support, and the essential tools and applications to complete any project.

Learn More About Electric Power

EMCP 4 Generator Set Controls

Cat generator sets provide a complete factory-built solution with fully featured standard and advanced controls. Optional accessories enhance the capabilities of the genset package-mounted control system.

Learn More

Application Center

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organises it to help you select the generator set that's best for you. Find product comparisons, technical data, product sizing, and more using our technical information portal (TIP) specifically created for consultants, architects, engineers, and owners.

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