New CAT Equipment

G3520J Gas Compression Engine

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.

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  • Capacity for Liquids
    Lube Oil System - Refill
    143 gal (US)
  • Engine Specifications
    Aspiration
    Turbocharged - 2 stage Aftercooled
    Bore
    6.7 in
    Combustion
    Lean Burn
    Displacement
    5263 in³
    Emissions
    Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.5 g/bhp-hr NOx
    Flywheel Teeth
    183
    Height
    93 in
    Length
    162 in
    Maximum Rating
    1725 BHP
    Minimum Rating
    1680 BHP
    Oil Change Interval
    2000 hours
    Rated Speed
    1400 rpm
    Rotation from Flywheel End
    Counterclockwise
    Stroke
    7.5 in
    Weight - Dry
    23776 lb
    Width
    74 in
  • Governor and Protection
    Governor and Protection
    Electronic (ADEM A3)
Air Inlet System
  • Axial flow air cleaners
  • Air inlet adapter
  • Single element canister type with service indicator
Charging System
  • Alternator
  • Upper RH Accessory Drive
Control System
  • ADEM A3 system
  • HMI Panel
Cooling System
  • Aftercooler thermostats and housing
  • Inlet Flange Connection
  • Jacket water thermostats and housing
  • JW and SCAC engine driven pumps
Exhaust System
  • Exhaust Manifold
  • Exhaust Outlet
  • Exhaust Weld Flange
  • Hard Shielded turbine housing and turbine in lines
  • Integrated Temperature Sensing Module
Flywheels & Flywheel Housings
  • Flywheel housing SAE No. 00
  • Flywheel SAE No. 21-double weight
Fuel System
  • Electronic fuel metering valve
  • Electronic fuel metering valve
  • Gas pressure regulator
General
  • Paint
Lube System
  • Oil Cooler
  • Air Prelube Pump
  • Crankcase Breathers
  • Drain Valve
  • Oil Filter, RH
  • Oil Pan, capacity 160 gallon
  • Oil Sampling Valve
  • Turbo Oil Accumulator
Mounting System
  • Rails
Power Take-offs
  • Accessory Drives
  • Crankshaft Pulley
  • Damper and Damper Guard
Starting System
  • Starter
  • Engine Barring Device
Telematics System
  • Interconnect Harness
  • Interconnect Harness
Exhaust System
  • Exhaust Expanders
  • Flexible Exhaust Fitting
Fuel System
  • Fuel Filter
  • Gas shut-off valve
General
  • Language Decals
  • Service Tools
Lube System
  • Lubricating Oil
Power Take-offs
  • Front Stub Shaft
Protection System
  • Crankcase explosion relief valves
Starting System
  • Jacket Water heater
Telematics System
  • Cat connect technology
  • Cell - satellite radio
  • LAN Adapter
  • Product Link Extension Harness