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 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
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
- Additional a NOx selectable genset is available to meets most worldwide emissions requirements down to 0.5 g/bhp-hr NOx level without aftertreatment
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.
| Gas Standby Rating | 2500 ekW @ 0.8pf |
|---|---|
| Fuel Type | Natural Gas, Hydrogen Blend (up to 5%) |
| Emissions/Fuel Strategy | U.S. EPA Stationary Non-Emergency Certified |
| RPM | 1800 rpm |
| Frequency | 60 Hz |
| Compression Ratio | 11.5 |
| Engine Model | G3520 |
|---|---|
| Displacement | 5956 in³ |
| Aspiration | TA |
| Bore | 6.7 in |
| Stroke | 8.5 in |
| Length | 336 in |
|---|---|
| Width | 94 in |
| Height | 128 in |
| Weight | 48500 lb |
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)
Need installed dimensions with enclosure and tank? See Model Configurations
