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G3516H Generator Set

Continuous Rating 2027 / 2007 ekW @ 1.0pf
Fuel Type Natural Gas, Hydrogen Blend (up to 25%)
Maximum Electrical Efficiency 45.30%

Technicial Specifications

Generator Set Specifications
Continuous Rating 2027 / 2007 ekW @ 1.0pf
Fuel Type Natural Gas, Hydrogen Blend (up to 25%)
Maximum Electrical Efficiency 45.30%
Frequency 50 / 60 Hz
RPM 1500 rpm
Engine Specifications
Engine Model G3516H
Displacement 78 l
Aspiration TA
Bore 170 mm
Stroke 215 mm
Compression Ratio 12.1
Fuel System Natural Gas
Generator Set Dimensions
Length 7395 mm
Width 2139 mm
Height 2402 mm
Dry Weight - Genset 18315 kg

Advantages and Features

Cat G3516H 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 and hydrogen mixtures
  • 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

SR5 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


  • 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

Worldwide 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

Standard Equipment

  • Control Panels
    • EMCP4.3
  • Air Inlet
    • Package Mounted Air Cleaner with service indicator
    • Two-element single-stage air cleaner with enclosure and service indicator
  • Cooling
    • Jacket water and SCAC driven thermostats
    • ANSI Class 150/DN custom flange connections for JW inlet and outlet
    • Engine driven water pumps for jacket water and after cooler
    • 2nd stage SCAC-Cat Flange
  • Exhaust
    • Center section cooled turbocharger with Cat flanged outlet
    • Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
    • Dry exhaust manifolds, insulated and shielded
    • Cat-flanged face outlet on turbocharger
  • Fuel System
    • Throttle plate, 24V DC actuator, controlled by GECM
    • Electronic fuel metering valve
    • 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
    • Permanent Magnet Excitiation
    • Anti-condensation space heater
    • Winding temperature detectors
    • SR5
    • Reactive Droop
    • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
  • General
    • Crankshaft vibration damper and guard
    • Paint - Caterpillar Yellow except rails and radiators gloss black
    • RH Service
    • Parts book
    • Operation and maintenance manuals
  • Governing System
    • ADEM A4 4-20mA (0-5V) Speed Input
  • Starting/Charging
    • 24V starting motors

Optional Equipment

  • Air Inlet
    • Mounting brackets and piping
    • Air cleaner with precleaner
    • Heavy Duty air cleaner with precleaner
  • Circuit Breakers
    • No UV trip or package mounted CB Wiring
    • Frame Mounting
    • MP-Frame 3 Pole Bottom Cable Entry or MP- Frame 6 Pole Bottom Cable Entry
    • 4000A, 3-Pole IEC Rated
    • 2500/3000/3200A or 4000/5000A Neutral Current Transformer Automatic Selection
    • Lower & Upper Covers, Extension Box Roof Cover
    • Busbar Mounting
    • 4000A, 3-Pole UL Rated
  • Control Panels
    • Remote monitoring software
    • Discrete I/O Module, 12 Digital Inputs, 8 'Form C' Relay
    • Remote RS485, 32-light Annunciator
    • Cat Connect: Ehternet, Satellite, Cell Telematics
    • Cross-Current Compensation Current Transformer-- 8.7/15 kV Classes
    • RTD Module
    • Local/Remote PC Monitorring
    • 16 Point/32 Light Annunciator with NFPA99-110/CSA282 Configuration
    • Remote Monitoring & Control
    • Synchronizing module
    • Local alarm module
  • Cooling
    • Jacket water coolant heater
    • Inlet/Outlet connections
  • Exhaust
    • Flange
    • Muffler and spark-arresting muffler with ANSI companion flanges
    • Elbow
  • Generator
    • Manual voltage control
    • Generator air filter
    • Low voltage extension box
    • Medium and high voltage generators and attachment
    • Cable access box
    • Bearing temperature detectors
  • Starting/Charging
    • 24V Battery Charger
    • 60A, 24V charging alternator (requires engine driven pumps)
  • General
    • US AID emblem
    • Special paint order
    • Battery diconnect switch
    • Digital diagnostic tool
    • Tool set
    • Battery with cables and rack (shipped loose)
  • Grid Code Compliance
    • 60 Hz: USA
    • 50 Hz: Germany, Great Britain, Belgium, Romania, Italy, Ireland, Poland, Netherlands, Spain, France, and European Standard