G3512 with FAST RESPONSE

G3512 750kW Gas Generator Set

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

Category:

Cat G3512 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 and hydrogen blends
  • 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

SR5 Generator

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

Cat ECS 100 Control Panel

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

  • EPA Certified for use in Emergency and Non-Emergency applications
  • Additional a NOx selectable genset is available to meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment

Proven System

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

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

Worldwide 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
  • 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

Additional information

Offering Type

Generator Set Specifications - Gas Standby Rating

750 ekW @ 0.8pf

Generator Set Specifications - Fuel Type

Natural Gas, Hydrogen Blend (up to 5%)

Generator Set Specifications - Emissions/Fuel Strategy

U.S. EPA Certified for Non-Emergency Stationary Genset

Generator Set Specifications - RPM

1800 rpm

Generator Set Specifications - Frequency

60 Hz

Generator Set Specifications - Displacement

52 l ( 3173 in³ )

Engine Specifications - Engine Model

G3512

Engine Specifications - Displacement

52 l ( 3173 in³ )

Engine Specifications - Aspiration

TA

Engine Specifications - Bore

170 mm ( 6.7 in )

Engine Specifications - Stroke

190 mm ( 7.5 in )

Generator Set Dimensions - Length

5224 mm ( 205.7 in )

Generator Set Dimensions - Width

2286 mm ( 90 in )

Generator Set Dimensions - Height

2525 mm ( 99.4 in )

Generator Set Dimensions - Weight

12500 kg ( 27500 lb )

Engine Specifications - Governor Type

ADEM A4

  • Control Panels

    Cat® Energy Control System 100 (Cat ECS 100) control panel

    View Details
  • Control Panels

    Cat® Energy Control System 200 (Cat ECS 200) control panel

    View Details
  • Control Panels

    EMCP 4.4 Control Panel

    View Details
Select Up To 3 Models To Compare