G3512 | 525kW-750kW Natural Gas Generator

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SPECS SUMMARY

Gas Standby Rating 750 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
Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.

Specifications

Gas Standby Rating 750 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
Engine Model G3512
Displacement 3173 in³ (52 l)
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)
Weight 27500 lb (12500 kg)
Displacement 3173 in³ (52 l)
Governor Type ADEM A4

Benefits and Features

  • 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

  • Designed to match performance and output characteristics of Caterpillar 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

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

  • 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

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

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

  • 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

  • Dual air cleaners, 1 per side, with service indicator
  • Two-element single-stage air cleaner with enclosure and service indicator
  • Cat ECS 100
  • 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
  • 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
  • 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 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
  • Crankshaft vibration damper and guard
  • Operation and maintenance manuals
  • Parts book
  • Paint- Caterpillar Yellow except rails and radiators gloss black 
  • RH Service
  • Gear type lube oil pump
  • Cartridge style oil filter
  • 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
  • Individual Cylinder Detonation Sensitive Timing (DST) 
  • Electronic Ignition System (controlled by ADEM A4) 
  • ADEM A4 speed governor with 4 to 20ma (0V to 5V) speed input
  • 24V DC starting motors
  • Batteries with rack and cables
  • Electric Starter

Optional Equipment

  • Mounting brackets and piping
  • Air cleaner with precleaner
  • S LSI, G LSIG, P LSIG-P, 4th Digit Type
  • Right, left, rear mounted
  • 1200A, 3 Pole, UL-100% Rated P-Frame Circuit Breakers
  • 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
  • 2000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
  • 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
  • 3-pole (IEC 947-2 rated)
  • Frame mounting
  • Remote annunciator
  • Local alarm module
  • Local PC monitoring
  • Engine failure relay
  • Remote PC monitoring
  • Coolant level drain line with valves, fan with guard
  • Remote radiator for JW and SCAC circuits, level switch included but not wired
  • Inlet/Outlet connections
  • 305 mm (12in.) elbow
  • 18, 25 dBA Attenuation
  • Flexible fittings
  • 305 mm (12 in.) muffler
  • 305mm (12 in) spark arresting muffler
  • 305 mm (12 in.) flange
  • 3, 0-100 kPag, 4-20mA gas train pressure sensors
  • Special paint order
  • US AID emblem
  • Tool set
  • Digital diagnostic tool
  • Cable access box
  • Generator air filter
  • European bus bars
  • Low voltage extension box
  • Bearing temperature detectors
  • 20A, 24VDC battery charger
  • Battery with cables and rack
  • Jacket water heater
  • 45A, 24V charging alternator (requires engine driven pumps)