G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
G3520 3MW Gas Generator Set
Gas generator sets

G3520 with FAST RESPONSE

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

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Cat G3520 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

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

SR5 & N9500 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

  • 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
  • Cat ECS 200 Control Panel available
  • Capable with Cat ECS 300 & 400

Proven System

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

Emissions

  • EPA Certified for use in Emergency and Non-Emergency applications
  • Additionally, NOx selectable genset is available to meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx or 250 mg/Nm3 level without aftertreatment

Massive Power Density

Delivering 3.1 MW of power in a compact footprint, this solution offers exceptional power density for its size.

Ready in 8.1 Seconds

Complies with industry leading specifications such as NFPA 110 Level 1 Type 10

Ready to accept 85% Block Load

Able to pick up the loads for the entire site in the event of an emergency.

Generator Set Specifications
Gas Standby Rating3120 ekW @ 1.0pf
Fuel TypeNatural Gas, Hydrogen Blend (up to 5%)
Emissions/Fuel StrategyU.S. EPA Stationary Non-Emergency Certified
RPM1800 rpm
Frequency50 / 60 Hz
Maximum Electrical Efficiency39.6%
Compression Ratio10.2
Frequency50/60 Hz
Speed1800 RPM
Engine Specifications
Engine ModelG3520
Displacement5956 in³
AspirationTA
Bore6.7 in
Stroke8.5 in
Compression Ratio10.2:1
Generator Set Dimensions
Length260 in
Width86 in
Height99 in
Weight48444 lb

Air Inlet

  • Single element air cleaner with package and service indicator

Control Panel

  • Cat ECS 100

Cooling

  • Jacket water and SCAC engine-driven pumps
  • Jacket water and SCAC thermostats

Exhaust

  • Dry exhaust manifolds, insulated and shielded
  • Cat-flanged face outlet on turbocharger

Fuel System

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

General

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

Generator

  • SR5 / N9500
  • Winding temperature detectors
  • Permanent Magnet Excitiation
  • Integrated voltage regulator (IVR)
  • Anti-condensation space heater
  • NEMA Class H insulation
  • Cat Gearbox (50 Hz)

Starting/Charging

  • Electric Starter
  • Jacket water heater
  • 24V starting motors
  • Battery with cables and rack (shipped loose)

Governing System

  • ADEM 6

Ignition System

  • Integrated Cylinder Pressure Sensor (ICPS)
  • Electronic Ignition System (controlled by ADEM)
  • G3520 3.1MW 60 Hz Spec Sheet
    application/pdf
  • G3520 3.1MW 50 Hz Spec Sheet
    application/pdf
  • Gas Generator Set 50 and 60 Hz Ratings Guide
    application/pdf
  • Electric Power Rating Guide
    application/pdf

Need installed dimensions with enclosure and tank? See Model Configurations