G3520B Low Emissions Gas Compression Engine

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The line of G3500B engines brings versatility, uptime, and low operating cost to your gas compression operation. They deliver the lowest engine-out emissions in the industry without sacrificing performance. Ideal applications for G3500B engines include gas lift, gas gathering, and wellhead gas compression. Cat G3520B gas engine. Ratings: 1104-1286 bkW (1480-1725 bhp) @ 1200-1400 rpm are NSPS site compliant capable.

Minimum Rating
1480.0 bhp
Maximum Rating
1725.0 bhp
Emissions
NSPS Site Compliant Capable
Ignition, Protection
ADEM™ A3

Specs

Engine Specifications

Minimum Rating
1480.0bhp
Maximum Rating
1725.0bhp
Emissions
NSPS Site Compliant Capable
Ignition, Protection
ADEM™ A3
Minimum Rating
1480BHP
Maximum Rating
1725BHP
Emissions
NSPS Site Compliant Capable

Features

Engine Design

- Built on G3500 LE proven reliability and durability - Ability to burn a wide spectrum of gaseous fuels - Robust diesel strength design prolongs life and lowers owning and operating costs - Broad operating speed range at lower site air densities (high altitude/hot ambient temperatures) - Higher power density improves fleet management - Quality engine diagnostics - Detonation-sensitive timing control for individual cylinders

- Built on G3500 LE proven reliability and durability - Ability to burn a wide spectrum of gaseous fuels - Robust diesel strength design prolongs life and lowers owning and operating costs - Broad operating speed range at lower site air densities (high altitude/hot ambient temperatures) - Higher power density improves fleet management - Quality engine diagnostics - Detonation-sensitive timing control for individual cylinders

Ultra Lean Burn Technology (ULB)

ULB technology uses an advanced control system, a better turbo match, improved air and fuel mixing, and a more sophisticated combustion recipe to provide: - Lowest engine-out emissions - Highest fuel efficiency - Improved altitude and speed turndown - Stable load acceptance and load rejection

ULB technology uses an advanced control system, a better turbo match, improved air and fuel mixing, and a more sophisticated combustion recipe to provide: - Lowest engine-out emissions - Highest fuel efficiency - Improved altitude and speed turndown - Stable load acceptance and load rejection

Emissions

- Meets U.S. EPA Spark Ignited Stationary NSPS emissions for 2010 and some non-attainment areas - Lean air/fuel mixture provides best available emissions and fuel efficiency for engines of this bore size

- Meets U.S. EPA Spark Ignited Stationary NSPS emissions for 2010 and some non-attainment areas - Lean air/fuel mixture provides best available emissions and fuel efficiency for engines of this bore size

Advanced Digital Engine Management

ADEM A3 engine management system integrates speed control, air/fuel ratio control, and ignition/detonation controls into a complete engine management system. ADEM A3 has improved: user interface, display system, shutdown controls, and system diagnostics.

ADEM A3 engine management system integrates speed control, air/fuel ratio control, and ignition/detonation controls into a complete engine management system. ADEM A3 has improved: user interface, display system, shutdown controls, and system diagnostics.

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time.

Testing

Every engine is full-load tested to ensure proper engine performance.

Gas Engine Rating Pro

GERP is a PC-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site's altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.

GERP is a PC-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site's altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.

Product Support Offered Through Global Cat Dealer

More than 2,200 dealer outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Cat parts and labor warranty Preventive maintenance agreements available for repair-before-failure options S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: - Internal engine component condition - Presence of unwanted fluids - Presence of combustion by-products - Site-specific oil change interval

More than 2,200 dealer outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Cat parts and labor warranty Preventive maintenance agreements available for repair-before-failure options S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: - Internal engine component condition - Presence of unwanted fluids - Presence of combustion by-products - Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

Over 60 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products - Cast engine blocks, heads, cylinder liners, and flywheel housings - Machine critical components - Assemble complete engine

Over 60 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products - Cast engine blocks, heads, cylinder liners, and flywheel housings - Machine critical components - Assemble complete engine

Web Site

For all your petroleum power requirements, visit www.catoilandgasinfo.com.

Standard Equipment

  • Air Inlet System
    • Axial Flow Air cleaner
    • Cleanable
    • Intermediate-duty with service indicator
  • Control System
    • ADEM A3 with integrated electronic throttle control
    • Control panel
  • Cooling System
    • Two-stage charge air cooling
    • Thermostats and housing
    • Engine-driven jacket and aftercooler water pump
    • Stainless steel aftercooler cores
  • Exhaust System
    • Dry exhaust manifolds
    • Dry exhaust elbow
  • Flywheels And Flywheel Housings
    • SAE No. 00 flywheel
    • SAE No. 00 flywheel housing
    • SAE standard rotation
  • Fuel System
    • 7-50 psi gas supply
    • Fuel system is sized for 800 to 1200 btu/scf (31.5 to 47.2 MJ/Nm3)
    • Electronic fuel metering valve
    • Gas pressure regulator
    • Gas shutoff valve (GSOV)
  • Ignition System
    • ADEM A3
  • Lubrication System
    • Crankcase breather — top mounted
    • Oil cooler
    • Oil filter — RH
    • Oil pan — 143 gal
    • Drain valve
    • Oil sampling valve
    • Turbo oil accumulator
  • Mounting System
    • Engine mounting rails - 330.2 mm (13 in) industrial-type
  • Power Take-offs
    • Front housing — two-sided
    • Front lower LH, RH, and upper RH accessory drives
  • General
    • Paint — Cat yellow
    • Crankshaft vibration damper and guard
    • CSA Certification, Class 1 Division 2, Group D - electrical system and instrumentation - includes ADEM A3 and control panel

Optional Equipment

  • Air Inlet System
    • Round air inlet adaptors
  • Charging System
    • Charging alternator - CSA approved 24V, 65 A
  • Cooling System
    • Flexible connections
  • Exhaust System
    • Flexible fittings
    • Flange and expander
  • Fuel System
    • Gas filter
  • Instrumentation
    • Communications module
  • Lubrication System
    • Lubricating oil
    • Oil bypass filter
    • Air prelube pump
  • Power Take-offs
    • Front stub shaft
    • Pulleys
    • Double damper
  • Protection System
    • Explosion relief valves
    • Secondary GSOV
  • Starting System
    • Air starting motor with controls (90 psi or 150 psi)
    • API B16.3 compliant piping
    • Jacket water heater
    • Barring group
  • General
    • Special paint
    • Torsional vibration analysis
  • Eu Certification
    • EEC DOI certification
  • Support
    • Factory commissioning