G3520C

G3520C Gas Generator

Cat® G3520C (1457kW-2082kW) Gas Generator models are the industry leader for operation on landfill gas, agricultural biogas and sewage gas fuels.

G3520C Gas Generator Sets

DESCRIPTION

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.G3520C Gas GeneratorElectric Power

Cat G3520C 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

SR4B or SR5 Generator

  • Designed to match performance and output characteristics of Caterpillar gas engines
  • Industry leading mechanical and electrical design
  • High efficiency

EMCP 4.3 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

Cooling System

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

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

  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

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)

Specs

Overview

Long Name:
G3520C Gas Generator
Name:
G3520C
Brand:
Caterpillar
Status:
Current

Generator Set Specifications

Continuous Rating
2050 ekW
Fuel Type
Natural Gas, Biogas, Coal Gas
Maximum Electrical Efficiency
40.10%
Maximum Standby Rating
2050
Frequency
50 / 60 Hz
RPM
1200 / 1500 / 1800 rpm

Engine Specifications

Engine Model
G3520C
Displacement
5270 in³ / 86 l
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
7.5 in / 190 mm

Generator Set Dimensions

Length
249 in / 6312 mm
Width
79 in / 1830 mm
Height
92 in / 2340 mm
Dry Weight - Genset
37959 lb / 17215 kg

Engine Specifications

Fuel System
Natural Gas, Biogas, Coal Gas
Compression Ratio
11.3

Generator Set Dimensions

Weight
37953 lb / 17215 kg

SEE HOW G3520C COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Gas Generator Sets
G3520C
G3520C Gas Generator Sets
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Biogas, Coal Gas
Frequency
50 / 60 Hz
RPM
1200 / 1500 / 1800 rpm
Engine Model
G3520C
Displacement
5270 in³ / 86 l
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
7.5 in / 190 mm
Length
249 in / 6312 mm
Width
79 in / 1830 mm
Height
92 in / 2340 mm
Compression Ratio
11.3
Gas Generator Sets
G3520 with FAST RESPONSE
G3520 Gas Generator Set
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Hydrogen Blend (up to 5%)
Frequency
60 Hz
RPM
1800 rpm
Engine Model
G3520
Displacement
5956 in³ / 97.6 l
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
8.5 in / 215 mm
Length
336 in / 8534 mm
Width
94 in / 2386 mm
Height
128 in / 3230 mm
Compression Ratio
11.5
Gas Generator Sets
G3520H
G3520H Gas Generator Set
Brand
Caterpillar
Status
Current
Fuel Type
Natural Gas, Hydrogen Blend (up to 25%)
Frequency
50/60 Hz
RPM
1500
Engine Model
G3520H
Displacement
5956 in³ / 97.5 l
Aspiration
TA
Bore
6.7 in / 170 mm
Stroke
8.5 in / 215 mm
Length
302 in / 7668 mm
Width
86 in / 2173 mm
Height
97 in / 2473 mm
Compression Ratio
12.1