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G3412 Gas Generator Set

Maximum Standby Rating

500 ekW @0.8pf

Fuel Type

Natural Gas

Emissions/Fuel Strategy

U.S. EPA Certified for Emergency Only Stationary Genset


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  • Generator Set Specifications
    Spec Value
    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
    Spec Value
    Engine Model G3412
    Displacement 1649 in³
    Aspiration NA
    Bore 5.4 in
    Stroke 6 in
  • Generator Set Dimensions
    Spec Value
    Length 165 in
    Width 85.25 in
    Height 86 in
    Dry Weight - Genset 14700 lb

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


  • 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


  • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
  • Gas Train: NFPA37 and CSA B149.3


  • 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


  • Paint- Caterpillar Yellow with gloss black rails and radiators
  • Operation and maintenance manuals
  • RH Service
  • Parts book
  • Crankshaft vibration damper and guard


  • Cartridge style oil filter
  • Gear type lube oil pump


  • 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)


  • 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


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


  • Flexible fittings
  • 15, 25 dBA Attenuation


  • Digital diagnostic tool
  • Tool set
  • US AID emblem


  • Cable access box
  • Bearing temperature detectors


  • Battery with cables and rack (shipped loose)
  • 10A, 24VDC battery charger
  • Jacket water heater