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G3516C

CAT G3516C 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

SR4B Generator

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

EMCP 4.3 Control Panel

  • User-friendly interface and navigation
  • Scalable system to meet a wide range of installation requirement
  • Expansion modules and site-specific programming for specific customer requirements

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

Proven System

  • Field proven in a wide range of applications worldwide
  • fully prototype tested
  • Certified torsional vibration analysis available

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 have over 1,800 dealer branch stores operating in 200 countries
  • Your local Cat dealer provides extensive post-sale support, including maintenance and repair agreements

G3516C Standard Equipment

Air Inlet

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

Control Panels

  • EMCP 4.3

Cooling

  • Jacket water and SCAC driven pumps and bypass lines
  • 2nd Stage SCAC-Cat Flange
  • Engine driven water pumps for jacket water and aftercooler
  • Jacket water and SCAC thermostats
  • ANSI/DN customer flange connections for JW inlet and outlet
  • Cat flanges on SCAC circuit

Exhaust

  • Integrated Sensing Module (ISM)
  • Cat-flanged face outlet on turbocharger
  • Provides exhaust port temperatures and stack temperature to customer supplied screen via CCM
  • Dry exhaust manifolds, insulated and shielded

Fuel System

  • 24V ETR Gas Shutoff Valve
  • Engine installed, fuel metering valve
  • Throttle plate, 24V DC actuator, controlled by ECM
  • 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
  • Fuel Filter

Ignition System

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

Fuel system

  • Electronic fuel metering valve

Generator

  • Anti-condensation space heater
  • Busbar connections
  • Class H Insulation & Class F temperature rise
  • Reactive Droop
  • Permanent Magnet Excitation
  • 3-phase brushless, salient pole
  • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • SR4B
  • Winding temperature detectors

General

  • RH Service
  • Operation and maintenance manuals
  • Crankshaft Vibration Damper and Guard
  • Parts Book

Starting/Charging

  • 24V starting motors

G3516C Optional Equipment

Air Inlet

  • Vertical, horizontal dual element air cleaner
  • Enclosure mounting brackets and piping
  • Air cleaner with precleaner

Control Panel

  • Local NFPA99-110 Alarm Module w/LEDs
  • Synchronizing Module
  • Remote 24V 8/16 Light Annunciator
  • Engine Failure Relay
  • PL1000E/PL1000T Communications Module
  • Custom 8-Light Alarm Module

Cooling

  • Inlet/Outlet connections
  • Jacket water coolant heater
  • Aftercooler air lines, aftercooler core replacement

Exhaust

  • Flexible Fittings
  • 14" Flange Kit
  • 406 mm Elbow Kits
  • 406 mm flange kits
  • Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
  • 16" Spark Arresting Muffler
  • 356-406mm Flange and Exhaust Expander
  • 15/18/25 dBA Muffler Attenuation

Fuel System

  • 207-276kPa, 30-40 psi gas knockdown regulator
  • 14-69 kPa (2-10 psi) gas pressure regulator
  • 24VDC Gas Shutoff Valve, Gas Knockdown Regulator
  • Fuel Filter, Gas Filter

Generator

  • Cable access box
  • 8.7/15 kV Cross, Differential, Current Transformers (CCCT, DCT, CT)
  • Medium and high voltage generators and attachment
  • 480/4160/13200 Volt Generator Options (60 Hz)
  • Generator air filter
  • Bearing temperature detectors
  • European Bus Bars
  • 415/400/380, 3300/6600/11000 Volt Generator Options (50 Hz)
  • Annunciator Modules
  • Generator Removal
  • Low voltage extension box

Governing System

  • Load share module

General

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

Starting/Charging

  • 60A, 24V charging alternator (requires engine driven pumps)
  • Battery removal
  • 20A battery charger
  • Battery disconnect switch
  • Battery with cables and rack (shipped loose)

Select Units

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 Set Specification

  • Maximum Continuous Rating 1660 ekW 1660 ekW

Generator Set Specifications

  • Fuel Type Natural Gas Natural Gas
  • Maximum Electrical Efficiency 37.70% 37.70%
  • Maximum Standby Rating 1500 1500
  • Frequency 50 / 60 Hz 50 / 60 Hz
  • RPM 1500/1800 1500/1800

Engine Specifications

  • Engine Model G3516C G3516C
  • Aspiration TA TA
  • Bore 6.7 in 170.0 mm
  • Stroke 7.5 in 190.0 mm

Generator Set Dimensions

  • Length 219.0 in 5553.0 mm
  • Width 72.0 in 1828.0 mm
  • Height 92.0 in 2340.0 mm
  • Dry Weight - Genset 31226.0 lb 14161.0 kg
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