Gas generator sets
G3520K
From natural gas to biogas, coal mine gases, or hydrogen fuel blends to support combined heat and power (CHP), emergency power, and local grid support applications, Caterpillar has a wide range of reliable gas power solutions.
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Cat G3520K 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
- 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
SR5 Generator
- Designed to match performance and output characteristics of Caterpillar gas engines
- Industry leading mechanical and electrical design
- High efficiency
Cat Energy Control System (Cat ECS)
- A cost effective but powerful system
- Modern color touch screen
- Meets UL6200 controls and UL2300 3rd ed. generator set package requirements
- Local annunciation to meet NFPA 110
Emissions
- Meets most worldwide emissions requirements down to 0.5 g/bhp-hr Nox level without aftertreatment
Proven System
- Field proven in a wide range of applications worldwide
- Fully prototype tested
- Certified torsional vibration analysis available
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
Up to 40% more responsive
Shorter time to full load, enhanced controls and diagnostics, and improved transient load capability.
Up to $350K savings
With industry leading electrical efficiency, improved thermal efficiency, and increased power density.
Wide range of fuel options
Multiple fuel options including natural gas, Biogas, propane, coal mine methane (CMM), and up to 25% hydrogen
| Continuous Rating | 2567 / 2552 ekW @ 1.0pf |
|---|---|
| Fuel Type | Natural Gas & Propane |
| Maximum Electrical Efficiency | 46.0% |
| Frequency | 50 / 60 Hz |
| RPM | 1500 |
| Frequency | 50/60 Hz |
| Engine Model | G3520K |
|---|---|
| Displacement | 5956 in³ |
| Aspiration | TA |
| Bore | 6.7 in |
| Stroke | 8.5 in |
| Compression Ratio | 10.5:1 |
| Length | 290.35 in |
|---|---|
| Width | 72.05 in |
| Height | 96.97 in |
| Dry Weight - Genset | 52249.56 lb |
Control Panel
- ECS 100 with colored HMI
- Ethernet Telematics
Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator.
Cooling
- Engine driven water pumps for jacket water and aftercooler.
- Jacket water and SCAC thermostats.
- ANSI/DN customer flange connections for JW inlet and outlet.
- SCAC control valve
Governing System
- ADEM A6 4-20mA (0-5V) Speed Input
Exhaust
- Center section cooled turbocharger with Cat flanged outlet.
- Dry exhaust manifolds, insulated and shielded.
- Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM providing alarms and shutdowns.
Fuel System
- Electronic fuel metering valve
- Throttle plate, 24V DC actuator, controlled by GECM
- EN7462/CSAB149:3, NFPA37
- 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.
Generator
- IVR - Intergrated voltage regulator
- Crankshaft Vibration Damper and Guard
- Busbar connections
- Paint- Caterpillar Yellow except rails gloss black
- Winding temperature detectors
- Operation and maintenance manuals
- Parts book
- Anti-condensation space heater
- RH/LH Service
- SR5
- Reactive droop
Lube
- Electric Pre-lube pump
Starting/Charging
- 24V starting motors
Ignition System
- Electronic Ignition System (controlled by ADEM 6)
- In Cylinder Pressure Sensor (ICPS)
Need installed dimensions with enclosure and tank? See Model Configurations
