Features
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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
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SR5 Generator
- Designed to match performance and output characteristics of Caterpillar gas engines
- Industry leading mechanical and electrical design
- High efficiency
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Cat ECS 100 Control Panel
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Cooling System
- Designed to operate in standard ambient temperatures up to 43°C (110°F)
- Contact your Cat Dealer for specific ambient and altitude capabilities
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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
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Proven System
- Field proven in a wide range of applications worldwide
- Fully prototype tested
- Certified torsional vibration analysis available
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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
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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
Specifications
Units for specifications
Generator Set Specifications
| Gas Standby Rating | 2000 ekW @ 0.8pf |
|---|---|
| Fuel Type | Natural Gas, Hydrogen Blend (up to 5%) |
| Emissions/Fuel Strategy | U.S. EPA Stationary Non-Emergency Certified |
| Frequency | 60 Hz |
| RPM | 1800 rpm |
| Compression Ratio | 11.5 |
Engine Specifications
| Engine Model | G3520 |
|---|---|
| Displacement | 5956 in³ 97.6 l |
| Aspiration | 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 |
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
- Dry exhaust manifolds, insulated and shielded
- 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
Fuel System
- 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
- Engine-installed electronic control valve
- Gas pressure regulator
- Throttle plate, 24V DC actuator, controlled by GECM
- 24V DC energized-to-run (ETR) gas shutoff valve
General
- Parts book
- Paint- Caterpillar Yellow with high gloss black rails and radiator
- Operation and maintenance manuals
- Crankshaft vibration damper and guard
- RH Service
Generator
- Permanent Magnet Excitiation
- Integrated voltage regulator (IVR)
- SR5
- Winding temperature detectors
- Anti-condensation space heater
- NEMA Class H insulation
Starting/Charging
- 24V starting motors
- Battery with cables and rack (shipped loose)
- Jacket water heater
- Electric Starter
Governing System
- ADEM A4
Ignition System
- Electronic Ignition System (controlled by ADEM A4)
- Individual Cylinder Detonation Sensitive Timing (DST)
Optional Equipment
Air Inlet
- Air cleaner with precleaner
Control Panel
- EMCP 4.4
- Local alarm module
- Engine failure relay
- Remote annunciator
- Remote PC monitoring
- Local PC monitoring
Circuit Breakers
- 1600A, 2000A 3 Pole, UL-100% Rated R-Frame Circuit Breakers
- 100% rated, 3-pole (UL/CSA/IEC) 5th Digit Rating
- S LSI, G LSIG, P LSIG-P, 4th Digit Type
- Frame mounting
- 3-pole (IEC 947-2 rated)
- 2000A, 2500A, 3000A 3 Pole, UL-100% Rated Masterpact Circuit Breakers
Cooling
- Package mounted radiator
- Coolant level drain line with valves, fan with guard
Exhaust
- 18, 25 dBA Attenuation
- 305mm (12 in) spark arresting muffler
- 305 mm (12in.) elbow
- 305 mm (12 in.) flange
- 305 mm (12 in.) muffler
Fuel System
- 3, 0-100 kPag, 4-20mA gas train pressure sensors
General
- Digital diagnostic tool
Generator
- Bearing temperature detectors
- Generator air filter
- Cable access box
- European bus bars
- Low voltage extension box
Starting/Charging
- 20A, 24VDC battery charger
- 45A, 24V charging alternator (requires engine driven pumps)
Grid Code Compliance
- 60 Hz: USA
Videos
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Standby -
Cat® G3520 Fast Response Walk-Around
