G3520J
The line of G3520J 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 G3520J engines include primary gathering, central gathering, and gas processing plants.
Emissions
U.S. EPA Spark Ignited Stationary NSPS emissions for 2010
Minimum Rating
1725.0 BHP
Bore
6.7 in
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Specifications
BENEFITS & FEATURES
MEDIA GALLERY
Specification
Value
Emissions
U.S. EPA Spark Ignited Stationary NSPS emissions for 2010
Minimum Rating
1725.0 BHP
Bore
6.7 in
Rotation from Flywheel End
Counterclockwise
Stroke
7.5 in
Combustion
Lean Burn
Oil Change Interval
2000 hrs
Specification
Value
Lube Oil System - Refill
143 gal (US)
Specification
Value
Governor and Protection
Electronic (ADEM™ A3)
  • 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 sdfsoperating costs
  • Broad operating speed range at lower site air density (high altitude/ sdfshot ambient temperatures)
  • Higher power density improves fleet management
  • Quality engine diagnostics
  • Detonation-sensitive timing control for individual cylinderst temperatures)
ULB technology uses an advanced control system, a better turbo sdfamatch, improved air and fuel mixing, and a more sophisticated sdfscombustion recipe to provide:
  • Lowest engine-out emissions
  • Highest fuel efficiency
  • Improved altitude and speed turndown
  • Stable load acceptance and load rejection
  • 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
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.
Large variety of factory-installed engine attachments reduces packaging time
Every engine is full-load tested to ensure proper engine performance
GERP is a web-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.
  • 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 sdfsbefore-failure options
  • S•O•SSM program matches your oil and coolant samples sdfdagainst Caterpillar set standards to determine:-Internal engine component condition-Presence of unwanted fluid-Presence of combustion by-products-Site-specific oil change interval
For all your Oil & Gas power requirements, visit www.cat.com/oilandgas
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