Overview
3120 kW Natural Gas Generator
Caterpillar is leading the power generation marketplace with Fast Response generator sets engineered to deliver unmatched performance, reliability, and cost-effectiveness.
Gas Generator Sets G3520 with FAST RESPONSE
Key Specs
- Gas Standby Rating
- 3120 ekW @ 1.0pf
- 3120 ekW @ 1.0pf
- Fuel Type
- Natural Gas, Hydrogen Blend (up to 5%)
- Natural Gas, Hydrogen Blend (up to 5%)
- Emissions/Fuel Strategy
- U.S. EPA Stationary Non-Emergency Certified
- U.S. EPA Stationary Non-Emergency Certified
Benefits
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.
Features At A Glance
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CAT G3520 Gas Engine
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
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
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
SR5 Generator
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
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
Proven System
- Field proven in a wide range of applications worldwide
- Fully prototype tested
- Certified torsional vibration analysis available
Product Specifications for G3520 with FAST RESPONSE
Generator Set Specifications
| Gas Standby Rating | 3120 ekW @ 1.0pf 3120 ekW @ 1.0pf |
| Fuel Type | Natural Gas, Hydrogen Blend (up to 5%) Natural Gas, Hydrogen Blend (up to 5%) |
| Emissions/Fuel Strategy | U.S. EPA Stationary Non-Emergency Certified U.S. EPA Stationary Non-Emergency Certified |
| RPM | 1800 rpm 1800 rpm |
| Frequency | 50 / 60 Hz 50 / 60 Hz |
| Maximum Electrical Efficiency | 39.6% 39.6% |
| Compression Ratio | 10.2 10.2 |
| Frequency | 50/60 Hz 50/60 Hz |
| Speed | 1800 RPM 1800 RPM |
Engine Specifications
| Engine Model | G3520 G3520 |
| Displacement | 5956 in³ 97.6 l |
| Aspiration | TA TA |
| Bore | 6.7 in 170 mm |
| Stroke | 8.5 in 215 mm |
| Compression Ratio | 10.2:1 10.2:1 |
Generator Set Dimensions
| Length | 260 in 6597 mm |
| Width | 86 in 2188 mm |
| Height | 99 in 2509 mm |
| Weight | 48444 lb 21974 kg |
G3520 with FAST RESPONSE Standard Equipment
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 with FAST RESPONSE Optional Equipment
Air Inlet
- Air cleaner with precleaner
Control Panel
- Engine failure relay
- Remote PC monitoring
- DIO Modules
- Load Share Module
- Cat ECS 200
- CAN Wiring
Circuit Breakers
- 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
- 2000A, 2500A, 3000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
- 3-pole (IEC 947-2 rated)
- 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
- Frame mounting
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
Cooling
- Factory provided remote radiator
Exhaust
- 305 mm (12 in.) flange
- 305 mm (12in.) elbow
- 305mm (12 in) spark arresting muffler
- 305 mm (12 in.) muffler
- 18, 25 dBA Attenuation
Fuel System
- 3, 0-100 kPag, 4-20mA gas train pressure sensors
General
- Digital diagnostic tool
Generator
- European bus bars
- Low voltage extension box
- Generator air filter
- Cable access box
- Bearing temperature detectors
Starting/Charging
- 20/35/50A, 24VDC battery charger
- 50A, 24V charging alternator (requires engine driven pumps)
assignment Product Brochures and More Are Ready to Download!
Caterpillar product brochures and other informational documents are available for your growing business.
- G3520 3.1MW 60 Hz Spec Sheet Downloadable PDF Opens in a New Tab file_download
- G3520 3.1MW 50 Hz Spec Sheet Downloadable PDF Opens in a New Tab file_download
- Gas Generator Set 50 and 60 Hz Ratings Guide Downloadable PDF Opens in a New Tab file_download
- Electric Power Rating Guide Downloadable PDF Opens in a New Tab file_download
See how G3520 with FAST RESPONSE compares against frequently compared products.
Electric Power
G3520 with FAST RESPONSE
Selected
- Gas Standby Rating
- 3120 ekW @ 1.0pf
- 3120 ekW @ 1.0pf
- Fuel Type
- Natural Gas, Hydrogen Blend (up to 5%)
- Natural Gas, Hydrogen Blend (up to 5%)
- Emissions/Fuel Strategy
- U.S. EPA Stationary Non-Emergency Certified
- U.S. EPA Stationary Non-Emergency Certified
Electric Power
G3520K
- Continuous Rating
- 2567 / 2552 ekW @ 1.0pf
- 2567 / 2552 ekW @ 1.0pf
- Fuel Type
- Natural Gas & Propane
- Natural Gas & Propane
- Maximum Electrical Efficiency
- 46.0%
- 46.0%
Electric Power
G3520H
- Continuous Rating
- 2519 / 2500 ekW @ 1.0pf
- 2519 / 2500 ekW @ 1.0pf
- Fuel Type
- Natural Gas, Hydrogen Blend (up to 25%)
- Natural Gas, Hydrogen Blend (up to 25%)
- Maximum Electrical Efficiency
- 45.30%
- 45.30%
Media Gallery
Photos
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
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