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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 1605 ekW 1605 ekW Less
Fuel Type Natural Gas Natural Gas Less
Maximum Electrical Efficiency 40.1% 40.1% Less
Maximum Standby Rating 1500 kW 1500 kW Less
Frequency 50 / 60 Hz 50 / 60 Hz Less
Speed 1500 / 1800 rpm 1500 / 1800 rpm Less

Engine Specifications

Engine Model G3516C G3516C Less
Displacement 4210.0 in³ 69.0 l Less
Aspiration TA TA Less
Bore 6.7 in 170.0 mm Less
Stroke 7.5 in 190.0 mm Less

Generator Set Dimensions

Length 217.0 in 5518.0 mm Less
Width 72.0 in 1830.0 mm Less
Height 92.0 in 2340.0 mm Less
Dry Weight - Genset 30315.0 lb 13748.0 kg 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 SR4B Generator

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

Cat EMCP II+ Control System

Simple user friendly interface and navigation. Digital monitoring, metering and protection setting. Fully-featured power metering and protective relaying. UL508A listed. Remote control and monitor capability options

G3516C 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 after cooler
  • Jacket water and SCAC thermostats
  • ANSI/DN customer flange connections for JW inlet and outlet
  • Cat flanges on SCAC circuit
  • Engine driven water pumps for jacket water and after cooler
  • Jacket water and SCAC thermostats
  • ANSI/DN customer flange connections for JW inlet and outlet
  • Cat flanges on SCAC circuit

Exhaust
  • Dry exhaust manifolds, insulated and shielded
  • Center section cooled turbocharger with Cat flanged outlet
  • Individual exhaust port and turbocharger outlet wired to Integrated Temperature 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 is sized for 31.5 to 47.2 MJ/NM3 dry pipeline natural gas with pressure of 4.5 to 34.5KPa to the engine fuel control valve

Generator
  • SR4B
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • Reactive droop
  • Bus bar connections
  • Winding temperature detectors
  • Anti-condensation space heater

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

G3516C Optional Equipment

Air Inlet
  • Heavy Duty air cleaner with precleaner
  • Mounting stand

Control Panels
  • Local alarm module
  • Remote annuciator
  • Remote Communications Module (PL1000T, PL1000E)

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

Exhaust
  • Flange
  • Exhaust expander

Fuel System
  • Fuel filter
  • Gas pressure regulator

Generator
  • Medium and high voltage generators and attachment
  • Low voltage extension box
  • Cable access box

General
  • Crankcase explosion relief valve
  • Engine barring group

Application Center

Explore valuable resources for generator sizing, specification, and training materials. SpecSizer evaluates load types, collects data, and organizes 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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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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Why Choose Cat® Electric Power?

Caterpillar offers a comprehensive variety of electric power systems, customized to fit your needs. Our specialized 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