Overview
1750-2500kW 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
- 2500 ekW @ 0.8pf
- 2500 ekW @ 0.8pf
- 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
Meets UL2200 Certification
Leading edge EPA Certification For Non-Emergency, UL2200, UL1446, and more
Ready in 7 Seconds
Complies with industry leading specifications such as NFPA 110 Level 1 Type 10
Ready to accept 100% Block Load
Able to pick up the loads for the entire site in the event of an emergency.
Features At A Glance
Displaying 1-6 of 7
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 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
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 | 2500 ekW @ 0.8pf 2500 ekW @ 0.8pf |
| 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 | 60 Hz 60 Hz |
| Compression Ratio | 11.5 11.5 |
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 |
Generator Set Dimensions
| Length | 336 in 8534 mm |
| Width | 94 in 2386 mm |
| Height | 128 in 3230 mm |
| Weight | 48500 lb 22000 kg |
G3520 with FAST RESPONSE Standard Equipment
Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
Control Panel
- Cat ECS 100
Cooling
- Jacket water and SCAC engine-driven pumps
- Jacket water and SCAC thermostats
Exhaust
- Cat-flanged face outlet on turbocharger
- 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
Fuel System
- 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
- 24V DC energized-to-run (ETR) gas shutoff valve
- Throttle plate, 24V DC actuator, controlled by GECM
General
- Crankshaft vibration damper and guard
- Operation and maintenance manuals
- RH Service
- Paint- Caterpillar Yellow with high gloss black rails and radiator
- Parts book
Generator
- SR5
- Permanent Magnet Excitiation
- NEMA Class H insulation
- Winding temperature detectors
- Integrated voltage regulator (IVR)
- Anti-condensation space heater
Starting/Charging
- Battery with cables and rack (shipped loose)
- 24V starting motors
- Electric Starter
- Jacket water heater
Governing System
- ADEM A4
Ignition System
- Electronic Ignition System (controlled by ADEM A4)
- Individual Cylinder Detonation Sensitive Timing (DST)
G3520 with FAST RESPONSE Optional Equipment
Air Inlet
- Air cleaner with precleaner
Control Panel
- Local alarm module
- EMCP 4.4
- Remote annunciator
- Remote PC monitoring
- Engine failure relay
- Local PC monitoring
Circuit Breakers
- 2000A, 2500A, 3000A 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
- 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
Cooling
- Coolant level drain line with valves, fan with guard
- Package mounted radiator
Exhaust
- 305 mm (12 in.) muffler
- 305 mm (12in.) elbow
- 18, 25 dBA Attenuation
- 305 mm (12 in.) flange
- 305mm (12 in) spark arresting muffler
Fuel System
- 3, 0-100 kPag, 4-20mA gas train pressure sensors
General
- Digital diagnostic tool
Generator
- Low voltage extension box
- Bearing temperature detectors
- European bus bars
- Cable access box
- Generator air filter
Starting/Charging
- 45A, 24V charging alternator (requires engine driven pumps)
- 20A, 24VDC battery charger
Grid Code Compliance
- 60 Hz: USA
assignment Product Brochures and More Are Ready to Download!
Caterpillar product brochures and other informational documents are available for your growing business.
- G3520 NOx Selectable 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
- G3520 EPA Certified Spec Sheet 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
- 2500 ekW @ 0.8pf
- 2500 ekW @ 0.8pf
- 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
G3520 with FAST RESPONSE
- Gas Standby Rating
- 2000 ekW @ 0.8pf
- 2000 ekW @ 0.8pf
- 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%
Use the comparison tool to compare detailed specs of Cat and competitor models.
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G3520 Gas Generator Set
G3520 Gas Generator Set
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