Cat G3520C Gas Engine
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Caterpillar
G3520C Gas Generator
Continuous Rating
2050 ekW
2050 ekW
Fuel Type
Natural Gas, Biogas, Coal Gas
Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency
40.10%
40.10%
Overview
From natural gas-fueled combined heat and power (CHP) systems and emergency power for facilities, to renewable biogas energy to support the local grid, or electricity generated from coal mine gases, Caterpillar has a wide range of reliable gas power solutions.
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Exterior
360� Exterior view. Double click on the image to zoom in on any area of the product.
Features
SR4B or SR5 Generator
EMCP 4.3 Control Panel
Emissions
Proven System
Full Range of Attachments
Worldwide Product Support
Details
Specifications
Generator Set Specifications
| Spec | Value |
|---|---|
| Continuous Rating | 2050 ekW 2050 ekW |
| Fuel Type | Natural Gas, Biogas, Coal Gas Natural Gas, Biogas, Coal Gas |
| Maximum Electrical Efficiency | 40.10% 40.10% |
| Maximum Standby Rating | 2050 2050 |
| Frequency | 50 / 60 Hz 50 / 60 Hz |
| RPM | 1200 / 1500 / 1800 rpm 1200 / 1500 / 1800 rpm |
Engine Specifications
| Spec | Value |
|---|---|
| Engine Model | G3520C G3520C |
| Displacement | 5270 in³ 86 l |
| Aspiration | TA TA |
| Bore | 6.7 in 170 mm |
| Stroke | 7.5 in 190 mm |
| Fuel System | Natural Gas, Biogas, Coal Gas Natural Gas, Biogas, Coal Gas |
| Compression Ratio | 11.3 11.3 |
Generator Set Dimensions
| Spec | Value |
|---|---|
| Length | 249 in 6312 mm |
| Width | 79 in 1830 mm |
| Height | 92 in 2340 mm |
| Dry Weight – Genset | 37959 lb 17215 kg |
| Weight | 37953 lb 17215 kg |
Standard Equipment
Air Inlet
- Two-element single-stage air cleaner with enclosure and service indicator
Control Panels
- EMCP 4.3
Cooling
- ANSI Class 6 in/DN customer flange connections for JW inlet and outlet
- Engine driven water pumps for jacket water and aftercooler
- 2nd Stage SCAC-Cat Flange
- Jacket water and SCAC driven pumps
- Jacket water and SCAC thermostat and outlet–ANSI 6 in/DN150
Exhaust
- Dry exhaust manifolds, insulated and shielded
- Cat-flanged face outlet on turbocharger
- Individual exhaust port and turbocharger outlet wired to Integrated Tmeperature Sensing Module (ITSM) with GECM 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
- Electronic fuel metering valve, ANSI flange
- Throttle plate, 24V DC actuator, controlled by GECM
- 24V ETR Gas Shutoff Valve
Ignition System
- Electronic Ignition System (controlled by GECM)
- Individual Cylinder Detonation Sensitive Timing (DST)
Generator
- 3-phase brushless, salient pole
- Class F Insulation & temperature rise
- Reactive droop
- Permanent Magnet Excitiation
- Winding temperature detectors
- Anti-condensation space heater
- SR4B or SR5
- Busbar connections
- Caterpillar’s Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
- SR4B
General
- Crankshaft Vibration Damper and Guard
- RH Service
- Parts Book
- Operation and maintenance manuals
- Paint – Caterpillar Yellow except rails and radiators gloss black
Optional Equipment
Air Inlet
- Enclosure Mounting Brackets and Piping
- Mounting stand
- Air cleaner with precleaner
Contol Panel
- Custom 8-Light Alarm Module
- Local NFPA99-110 Alarm Module w/LEDs
- Remote 24-32V 8/16 Annunciator
- Synchronizing Module
- PL1000E/PL1000T Communications Module
- Engine Failure Relay
Control Panels
- Local alarm module
Cooling
- Inlet/Outlet connections
- Engine pumps
- Aftercooler air lines, aftercooler core replacement
- Jacket water coolant heater
Exhaust
- Mufflers (15/18/25 dBA Attenuation) and spark-arresting muffler with ANSI companion flanges
- Exhaust expanders
- Flexible fittings
- 305/360/406 mm Elbow Kits
Fuel System
- 14-69 kPa (2-10 psi) gas pressure regulator
- Fuel filter
- 24V DC Gas shutoff valve
- 207-276kPa, 30-40 psi gas knockdown regulator
Generator
- Generator Removal
- Annunciator Modules
- Medium and high voltage generators and attachment
- 60 Hz–480/4160 Volt Generator Options
- Cable access box
- Generator air filter
- European Bus Bars
- Low voltage extension box
- Bearing temperature detectors
- 8.7/15 kV Class Current Transformers (CCCT, DCT, CT)
- 50 Hz–3300/6600 Volt Generator Options
Governing System
- Load share module
Starting/Charging
- Jacket water heater
- Battery diconnect switch
- 24V starting motors
- Battery with cables and rack (shipped loose)
- 60A, 24V charging alternator (requires engine driven pumps)