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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.

Generator Sets Specification

Units:
Maximum Continuous Rating 2519 / 2500 ekW @ 1.0pf 2519 / 2500 ekW @ 1.0pf Less

Generator Set Specifications

Fuel Type Natural Gas Natural Gas Less
Frequency 50/60 Hz 50/60 Hz Less

Generator Sets Specifications

Maximum Electrical Efficiency 45.30% 45.30% Less
Frequency 50 / 60 Hz 50 / 60 Hz Less
RPM 1500 1500 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 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

CAT G3520H Gas Engine

SR4B Alternator

CAT electronic control system

EMCP 4.2 Control Panel

Emissions

Proven System

One Safe Source

World Wide Product Support

G3520H Standard Equipment

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

Control Panel
  • EMCP 4.3

Control Panels
  • EMCP 4.3
  • 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
  • ANSI/DN customer flange connections for JW inlet and outlet
  • Jacket water and SCAC thermostats
  • Engine driven water pumps for jacket water and after cooler

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

Exhaust
  • Center section cooled turbocharger with Cat flanged outlet
  • Dry exhaust manifolds, insulated and shielded
  • Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns

Fuel System
  • Electronic fuel metering valve
  • Throttle plate, 24V DC actuator, controlled by GECM

Fuel system
  • Electronic fuel metering valve
  • 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

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

Generator
  • Reactive droop
  • Anti-condensation space heater
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • Busbar connections
  • SR4B
  • Crankshaft Vibration Damper and Guard
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • Busbar connections
  • Paint- Caterpillar Yellow except rails gloss black
  • Winding temperature detectors
  • Operation and maintenance manuals
  • Parts book
  • Anti-condensation space heater
  • RH Service
  • SR5
  • Reactive droop

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

General
  • Paint - Caterpillar Yellow except rails and radiators gloss black

G3520H Optional Equipment

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

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

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

Cooling
  • Inlet/Outlet connections
  • Coolant level drain line with valves, fan with guard

Exhaust
  • Muffler and spark-arresting muffler with companion flanges
  • Flange
  • Elbow
  • Flexible Fitting
  • Exhaust Expander

Fuel System
  • Gas Knockdown Regulator
  • Fuel filter
  • Gas pressure regulator
  • Gas shutoff valve 24V, ETR (Energized-To-Run)

Generator
  • Bearing temperature detectors
  • Cable access box
  • Low voltage extension box
  • Manual voltage control
  • European bus bar
  • Generator air filter
  • Medium and high voltage generators and attachment

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

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

Application Centre

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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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.

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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.

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