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CAT G3412 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
  • 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
  • EMCP4.2 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
  • Cooling System

    • Designed to operate in standard ambient temperatures up to 43°C (110°F)Contact your Cat Dealer for specific ambient and altitude capabilities

    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
  • Proven System

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

    Units:
    Maximum Continuous Rating 423 ekW @0.8pf 423 ekW @0.8pf Less

    Generator Set Specifications

    Fuel Type Natural Gas, Biogas, Field Gas, Propane Natural Gas, Biogas, Field Gas, Propane Less
    Maximum Electrical Efficiency 37.30% 37.30% Less
    Maximum Standby Rating 500 ekW @ 0.8pf 500 ekW @ 0.8pf Less
    Frequency 50 or 60 Hz 50 or 60 Hz Less
    RPM 1500 or 1800 rpm 1500 or 1800 rpm Less

    Engine Specifications

    Engine Model G3412 G3412 Less
    Aspiration NA NA Less
    Bore 5.4 in 137.0 mm Less
    Stroke 6.0 in 152.0 mm Less

    Generator Set Dimensions

    Length 179.0 in 4542.0 mm Less
    Width 88.0 in 2238.0 mm Less
    Height 86.0 in 2189.0 mm Less
    Dry Weight - Genset 9664.0 lb 4384.0 kg Less

    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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    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

    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