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
      Bore
      6.7 in
      Combustion
      Lean Burn
      Emissions
      U.S. EPA Spark Ignited Stationary NSPS emissions for 2010
      Minimum Rating
      1725 BHP
      Oil Change Interval
      2000 hrs
      Rotation from Flywheel End
      Counterclockwise
      Stroke
      7.5 in
    • Governor and Protection
      Governor and Protection
      Electronic (ADEM A3)
    Air Inlet System
    • Axial Flow Air cleaner
    • Single element canister type with service indicator
    Cooling System
    • Two-stage charge air cooling: First stage - JW + OC + 1st stage AC / Second stage - 2nd stage AC
    • Jacket water and aftercooler thermostats
    Exhaust System
    • Water-cooled exhaust manifolds
    • Dry turbocharger housings
    • Water-cooled exhaust elbow
    Flywheels and Flywheel Housings
    • SAE No. 21 flywheel
    • SAE No. 00 flywheel housing
    • SAE standard rotation
    Fuel System
    • 7-40 psig gas supply
    • Electronic fuel metering valve
    • Gas pressure regulator
    • Gas shutoff valve
    Instrumentation
    • Remote-mounted Advisor control panel
    • Product Link cellular radio
    Lubrication System
    • Crankcase breather — top mounted
    • Oil cooler
    • Oil filter — RH
    • Oil pan — 143 gal
    • Oil sampling valve
    • Turbo oil accumulator
    Mounting System
    • Rails
    Power Take-Offs
    • Front housing — two-sided
    • Front lower LH accessory drive
    General
    • Paint — Cat yellow
    • Crankshaft vibration damper and guard
    Air Inlet System
    • Round air inlet adaptors
    • Rain shield
    Charging System
    • CSA alternator (24V,65A)
    Cooling System
    • Jacket water inlet flange-hose connection
    Exhaust System
    • Flexible fittings
    • Flanges
    • Elbow
    Fuel System
    • Fuel filter
    Instrumentation
    • LAN adapter
    • 15',40',90',140' Product Link extension harness
    • 20',30',50',100' interconnect harness
    Lubrication System
    • Lubricating oil
    • Oil bypass filter
    • Air prelube pump
    • Oil pan drain
    Power Take-Offs
    • Front stub shaft
    • Crankshaft pulley
    Starting System
    • Air pressure regulator
    • 90 psi starter
    • 150 psi starter
    • Jacket water heater
    General
    • Special paint
    • Crankshaft vibration double damper
    • Explosion relief valves
    EU Certification
    • EEC DOI certification