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G3516 1500kW Gas Generator Set

Gas Standby Rating

1500 ekW @ 0.8pf

Fuel Type

Natural Gas

Emissions/Fuel Strategy

U.S. EPA Stationary Non-Emergency Certified


Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.



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  • Generator Set Specifications
    Spec Value
    Gas Standby Rating 1500 ekW @ 0.8pf
    Fuel Type Natural Gas
    Emissions/Fuel Strategy U.S. EPA Stationary Non-Emergency Certified
    RPM 1800 rpm
    Frequency 60 Hz
    Compression Ratio 11.5
  • Engine Specifications
    Spec Value
    Engine Model G3516
    Displacement 4765 in³
    Aspiration TA
    Bore 6.7 in
    Stroke 8.5 in
  • Generator Set Dimensions
    Spec Value
    Length 275.6 in
    Width 92.3 in
    Height 128.5 in
    Weight 40384 lb

Standard Equipment

Air Inlet

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

Control Panel

  • EMCP 4.3


  • Jacket water and SCAC engine-driven pumps
  • Jacket water and SCAC thermostats


  • Dry exhaust manifolds, insulated and shielded
  • Individual exhaust port and turbocharger outlet wired to integrated temperature sensing module (ITSM) with GCEM providing alarms and shutdowns
  • Cat-flanged face outlet on turbocharger

Fuel System

  • 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
  • Throttle plate, 24V DC actuator, controlled by GECM
  • Gas pressure regulator
  • 24V DC energized-to-run (ETR) gas shutoff valve
  • Engine-installed electronic control valve


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


  • Permanent Magnet Excitiation
  • Anti-condensation space heater
  • Winding temperature detectors
  • NEMA Class H insulation
  • Integrated voltage regulator (IVR)
  • SR5


  • Electric Starter
  • 24V starting motors
  • Jacket water heater
  • Battery with cables and rack (shipped loose)

Governing System

  • ADEM A4

Ignition System

  • Individual Cylinder Detonation Sensitive Timing (DST)
  • Electronic Ignition System (controlled by ADEM A4)

Optional Equipment

Air Inlet

  • Air cleaner with precleaner

Control Panel

  • Remote annunciator
  • Local alarm module
  • Remote PC monitoring
  • Engine failure relay
  • Local PC monitoring
  • EMCP 4.4

Circuit Breakers

  • S LSI, G LSIG, P LSIG-P, 4th Digit Type
  • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
  • 3-pole (IEC 947-2 rated)
  • 2000A, 2500A, 3000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
  • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
  • Frame mounting


  • Coolant level drain line with valves, fan with guard
  • Package mounted radiator


  • 305 mm (12 in.) muffler
  • 305 mm (12 in.) flange
  • 305mm (12 in) spark arresting muffler
  • 305 mm (12in.) elbow
  • 18, 25 dBA Attenuation

Fuel System

  • 3, 0-100 kPag, 4-20mA gas train pressure sensors


  • Digital diagnostic tool


  • European bus bars
  • Bearing temperature detectors
  • Low voltage extension box
  • Generator air filter
  • Cable access box


  • 45A, 24V charging alternator (requires engine driven pumps)
  • 20A, 24VDC battery charger