G3512 Gas Generator Set
G3512 Gas Generator Set
G3512 Gas Generator Set
G3512 Gas Generator Set
Gas generator sets

G3512 with FAST RESPONSE

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

Request a Quote
Have questions? Call 800.768.4200
Generator Set Specifications
Gas Standby Rating750 ekW @ 0.8pf
Fuel TypeNatural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel StrategyU.S. EPA Certified for Non-Emergency Stationary Genset
RPM1800 rpm
Frequency60 Hz
Displacement3173 in³
Engine Specifications
Engine ModelG3512
Displacement3173 in³
AspirationTA
Bore6.7 in
Stroke7.5 in
Governor TypeADEM A4
Generator Set Dimensions
Length205.7 in
Width90 in
Height99.4 in
Weight27500 lb

Air Inlet

  • Dual air cleaners, 1 per side, with service indicator
  • Two-element single-stage air cleaner with enclosure and service indicator

Control Panel

  • Cat ECS 100

Cooling

  • Engine driven pumps for jacket water and separate circuit aftercooler
  • Jacket water and SCAC engine-driven pumps
  • Jacket water and SCAC thermostats
  • LH or RG connections when radiator is not selected
  • Package mounted radiator

Fuel

  • NOx sensor based air-fuel-ratio control
  • 0.5 to 5 psi engine fuel inlet pressure
  • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
  • Gas Train: NFPA37 and CSA B149.3

Exhaust

  • 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

  • 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
  • Engine-installed electronic control valve
  • Gas pressure regulator
  • 24V DC energized-to-run (ETR) gas shutoff valve

General

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

Lubrication

  • Gear type lube oil pump
  • Cartridge style oil filter

Generator

  • Anti-condensation space heater
  • Winding temperature detectors
  • NEMA Class H insulation
  • SR5
  • Permanent Magnet Excitiation
  • Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter

Governing System

  • ADEM A4

Ignition System

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

Governing

  • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input

Starting/Charging

  • 24V DC starting motors
  • Batteries with rack and cables
  • Electric Starter
  • Electric Power Rating Guide
    application/pdf
    Download ↓
  • G3512 Generator Set Spec Sheet (EPA Certified)
    application/pdf
    Download ↓
  • G3512 750kW Generator Spec Sheet (Load Management)
    application/pdf
    Download ↓
  • Gas Generator Set 50 and 60 Hz Ratings Guide
    application/pdf
    Download ↓

Need installed dimensions with enclosure and tank? See Model Configurations