Gas Generator Sets

Cat G3512 1000kW Gas Generator Set

Gas Standby Rating 1000 ekW @ 0.8pf

Fuel Type Natural Gas

Emissions/Fuel Strategy U.S. EPA Certified for Non-Emergency Stationary Genset

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

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Cat G3512 Gas Engine

Robust high speed block design provides prolonged life and lower owning operationg costsDesigned for maximum performance on low pr…

  • 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
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SR5 Generator

Designed to match performance and output characteristics of Caterpillar gas enginesIndustry leading mechanical and electrical desi…

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

Simple user friendly interface and navigationDigital monitoring, metering and protection settingFully-featured power metering and…

  • 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
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EMCP4.3 Control Panel

User-friendly interface and navigationScalable system to meet a wide range of installation requirementExpansion modules and site-s…

  • 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
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Cooling System

Designed to operate in standard ambient temperatures up to 43°C (110°F)Contact your Cat Dealer for specific ambient and altitude c…

  • Designed to operate in standard ambient temperatures up to 43°C (110°F)
  • Contact your Cat Dealer for specific ambient and altitude capabilities
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Emissions

EPA Certified for use in Emergency and Non-Emergency applicationsAdditional a NOx selectable genset is available to meets most wor…

  • 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
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Proven System

Field proven in a wide range of applications worldwideFully prototype testedCertified torsional vibration analysis available

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

Wide range of bolt-on system expansion attachmentsFactory designed and testedFlexible packaging options for easy and cost effectiv…

  • Wide range of bolt-on system expansion attachments
  • Factory designed and tested
  • Flexible packaging options for easy and cost effective installation
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World Wide Product Support

Cat dealers have over 1,800 dealer branch stores operating in 200 countriesYour local Cat dealer provides extensive post-sale supp…

  • 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
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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 System
  • Engine driven pumps for jacket water and separate circuit aftercooler
Cooling
  • Package mounted radiator
  • Jacket water and SCAC engine-driven pumps
  • Jacket water and SCAC thermostats
  • LH or RG connections when radiator is not selected
Exhaust
  • 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
  • NOx sensor based air-fuel-ratio control
  • Pipeline Natural Gas: 800-1000 BTU/scf and 70-100 Methane Number
  • Gas Train: NFPA37 and CSA B149.3
  • 0.5 to 5 psi engine fuel inlet pressure
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
  • Engine-installed electronic control valve
  • Throttle plate, 24V DC actuator, controlled by GECM
  • 24V DC energized-to-run (ETR) gas shutoff valve
  • Gas pressure regulator
General
  • Operation and maintenance manuals
  • Paint- Caterpillar Yellow except rails and radiators gloss black 
  • Parts book
  • “Stationary Use Only” Label in Correspondence with EPA Nonroad Mobile SI rule 
  • RH Service
  • Crankshaft vibration damper and guard
Lubrication
  • Cartridge style oil filter
  • Gear type lube oil pump
Starting/Charging
  • Jacket water heater
  • Battery with cables and rack (shipped loose)
  • Electric Starter
  • Batteries with rack and cables
  • 24V DC starting motors
Generator
  • NEMA Class H insulation
  • Permanent Magnet Excitiation
  • SR5
  • Anti-condensation space heater
  • Caterpillar's Digital Voltage Regulator (CDVR) including reactive droop capability, 3-phase voltage sensing, KVAR/PF modes, RFI suppression, and a min/max exciter
  • Winding temperature detectors
Ignition System
  • Electronic Ignition System (controlled by ADEM A4) 
  • Individual Cylinder Detonation Sensitive Timing (DST) 
Governing
  • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input
Air Inlet
  • Mounting brackets and piping
  • Air cleaner with precleaner
Control Panel
  • Local PC monitoring
  • Engine failure relay
  • Remote PC monitoring
  • Local alarm module
  • Remote annunciator
Cooling
  • Remote radiator for JW and SCAC circuits, level switch included but not wired
  • Inlet/Outlet connections
  • Coolant level drain line with valves, fan with guard
Circuit Breakers
  • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
  • Frame mounting
  • S LSI, G LSIG, P LSIG-P, 4th Digit Type
  • Right, left, rear mounted
  • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
  • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
  • 3-pole (IEC 947-2 rated)
  • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers
Exhaust
  • 305 mm (12 in.) flange
  • Flexible fittings
  • 18, 25 dBA Attenuation
  • 305 mm (12 in.) muffler
  • 305mm (12 in) spark arresting muffler
  • 305 mm (12in.) elbow
Fuel System
  • 3, 0-100 kPag, 4-20mA gas train pressure sensors
General
  • US AID emblem
  • Special paint order
  • Digital diagnostic tool
  • Tool set
Generator
  • Generator air filter
  • European bus bars
  • Low voltage extension box
  • Cable access box
  • Bearing temperature detectors
Starting/Charging
  • 20A, 24VDC battery charger
  • 24V starting motors
  • 45A, 24V charging alternator (requires engine driven pumps)

Technical Specifications

  • Generator Set Specifications
    Gas Standby Rating 1000 ekW @ 0.8pf
    Fuel Type Natural Gas
    Emissions/Fuel Strategy U.S. EPA Certified for Non-Emergency Stationary Genset
    RPM 1800 rpm
    Frequency 60 Hz
    Displacement 3173 in³
    Compression Ratio 9.7
  • Engine Model G3512
    Displacement 3173 in³
    Aspiration TA
    Bore 6.7 in
    Stroke 7.5 in
  • Length 205.7 in
    Width 90 in
    Height 99.4 in
    Weight 27500 lb

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