G3512 with FAST RESPONSE

G3512 1000kW Gas Generator Set

Cat® G3512 (700kW-1000kW) Natural Gas Generator models meet worldwide emissions requirements while providing versatility, uptime, and low operating costs.

G3512 Gas Generator Set

DESCRIPTION

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

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 Cat gas engines
  • Industry leading mechanical and electrical design
  • High efficiency

Cat ECS 100 Control Panel

  • 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

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
  • Optional Equipment
  • Specs
  • Docs

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
    • Cat ECS 100
  • 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

Optional Equipment

  • 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)
  • Grid Code Compliance
    • 60 Hz: USA

Specs

Overview

Long Name:
G3512 1000kW Gas Generator Set
Name:
G3512 with FAST RESPONSE
Brand:
Caterpillar
Status:
Current

Generator Set Specifications

Gas Standby Rating
1000 ekW @ 0.8pf
Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Stationary Genset
RPM
1800 rpm
Frequency
60 Hz
Displacement
3173 in³ / 52 l

Engine Specifications

Engine Model
G3512
Displacement
3173 in³ / 52 l
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
7.5 in / 190 mm

Generator Set Specifications

Compression Ratio
9.7

Generator Set Dimensions

Length
205.7 in / 5224 mm
Width
90 in / 2286 mm
Height
99.4 in / 2525 mm
Weight
27500 lb / 12500 kg

SEE HOW G3512 with FAST RESPONSE COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Gas Generator Sets
G3512 with FAST RESPONSE
G3512 Gas Generator Set
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Stationary Genset
RPM
1800 rpm
Frequency
60 Hz
Displacement
3173 in³ / 52 l
Engine Model
G3512
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
7.5 in / 190 mm
Length
205.7 in / 5224 mm
Width
90 in / 2286 mm
Height
99.4 in / 2525 mm
Gas Generator Sets
G3412 with FAST RESPONSE
G3412 Rear Right
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas
Emissions/Fuel Strategy
U.S. EPA Certified for Emergency Only Stationary Genset
RPM
1800 rpm
Frequency
60 Hz
Displacement
1649 in³ / 27 l
Engine Model
G3412
Aspiration
NA
Bore
5.4 in / 137 mm
Stroke
6 in / 152 mm
Length
165 in / 1498 mm
Width
85.25 in / 2189 mm
Height
86 in / 2165 mm
Gas Generator Sets
G3512 with FAST RESPONSE
G3512 Gas Generator Set
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel Strategy
U.S. EPA Certified for Non-Emergency Stationary Genset
RPM
1800 rpm
Frequency
60 Hz
Displacement
3173 in³ / 52 l
Engine Model
G3512
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
7.5 in / 190 mm
Length
205.7 in / 5224 mm
Width
90 in / 2286 mm
Height
99.4 in / 2525 mm