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G3412 Gas Generator Set

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  • Maximum Standby Rating 500 ekW @0.8pf
  • Fuel Type Natural Gas
  • Emissions/Fuel Strategy U.S. EPA Certified for Emergency Only Stationary Genset
  • Frequency 60 Hz

Call 440-838-7348 for rate information

Generator Set Specifications

  • Maximum Standby Rating
    500 ekW @0.8pf
  • Fuel Type
    Natural Gas
  • Emissions/Fuel Strategy
    U.S. EPA Certified for Emergency Only Stationary Genset
  • Frequency
    60 Hz
  • RPM
    1800 rpm

Engine Specifications

  • Engine Model
  • Displacement
    1649 in³
  • Aspiration
  • Bore
    5.4 in
  • Stroke
    6 in

Generator Set Dimensions

  • Length
    165 in
  • Width
    85.25 in
  • Height
    86 in
  • Dry Weight - Genset
    14700 lb

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


  • EPA Certified from the factoryfor use in Emergency applications

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

EMCP4.3 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

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

SR5 Generator

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

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

Standard Equipment:

  • Air Inlet
    • Two-element single-stage air cleaner with enclosure and service indicator
    • Dual air cleaners, 1 per side, with service indicator
  • Control Panel
    • EMCP 4.3
  • Cooling
    • Package mounted radiator
    • LH or RG connections when radiator is not selected
    • Engine driven pumps for jacket water and separate circuit aftercooler
    • Jacket water and SCAC thermostats
  • Fuel
    • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
    • Gas Train: NFPA37 and CSA B149.3
  • Exhaust
    • Dry exhaust manifolds, insulated and shielded
  • Fuel System
    • Engine-installed electronic control valve
    • Gas pressure regulator
    • 24V DC energized-to-run (ETR) gas shutoff valve
  • General
    • Paint- Caterpillar Yellow with gloss black rails and radiators
    • Operation and maintenance manuals
    • RH Service
    • Parts book
    • Crankshaft vibration damper and guard
  • Lubrication
    • Cartridge style oil filter
    • Gear type lube oil pump
  • Generator
    • Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
    • Anti-condensation space heater
    • Permanent Magnet Excitiation
    • Winding temperature detectors
  • Governing System
    • ADEM A4
  • Ignition System
    • Electronic Ignition System (controlled by ADEM A4)
    • Individual Cylinder Detonation Sensitive Timing (DST)
  • Starting/charging
    • Electric Starter
    • 24V DC starting motors

Optional Equipment:

  • Air Inlet
    • Air cleaner with precleaner
  • Circuit Breakers
    • S LSI
    • Frame mounting
    • Right, left, rear mounted
  • Control Panel
    • Local alarm module
    • Local PC monitoring
    • Remote PC monitoring
    • Remote annunciator
  • Cooling
    • Inlet/Outlet connections
    • Coolant level drain line with valves, fan with guard
  • Exhaust
    • Flexible fittings
    • 15, 25 dBA Attenuation
  • General
    • Digital diagnostic tool
    • Tool set
    • US AID emblem
  • Generator
    • Cable access box
    • Bearing temperature detectors
  • Starting/charging
    • Battery with cables and rack (shipped loose)
    • 10A, 24VDC battery charger
    • Jacket water heater
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