New CAT Equipment

G3612 A4 Gas Compression Engine

G3600 ADEM™4 engines provide a wide range of power options to fit your gas compression application. G3600 ADEM™4 engines bring the highest uptime in the industry and long operating intervals between overhaul. Operators that use G3600 ADEM™4 engines in their fleet enjoy virtually no unscheduled downtime, the right power for their application, the lowest operating costs, and emissions compliance. Ideal applications for G3600 ADEM™4 engines include centralized gathering stations, gas processing, transmissions, and storage applications. Cat G3612 ADEM™4 Gen 1 gas engine with standard ratings: 2796 bkW (3750 bhp) @ 1000 rpm and Cat G3612 ADEM™4 Gen 2 gas engine with standard ratings: 2796 bkW (3750 bhp) @ 1000 rpm and uprated ratings: 3076 bKW (4125 bhp) @ 1000 rpm. NSPS site compliant capable.​

Get a Quote

Benefits

Enhanced Performance

Increased horsepower boosts performance while optimized uptime maximizes efficiency. Extended overhaul intervals help keep operations running longer with lower service demands.

Reduced Emissions

Lower GHG, methane, and VOC output with flexible 0.3 or 0.5 g/bhp-h NOx ratings. Integrated CCV further reduces methane emissions to support cleaner, more sustainable compression.

Simplified Reliability

Unchanged footprint ensures seamless packaging integration, supported by Dealer Network offering flexible service and customizable solutions to keep your engine performing.
  • Capacity for Liquids
    Cooling System
    194 gal (US)
    Lube Oil System - Refill
    272 gal (US)
  • Engine Specifications
    Aspiration
    Turbocharged-Aftercooled
    Bore
    11.8 in
    Compression Ratio
    Gen 1 (9.2:1) Gen 2 (7:6:1)
    Displacement
    15528 in³
    Emissions
    Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.3 g and 0.5 g/bhp-hr NOx
    Flywheel Teeth
    255
    Height
    129.1 in
    Ignition, Protection
    ADEM™4
    Length
    195.09 in
    Maximum Rating
    4125 BHP
    Minimum Rating
    3750 BHP
    Oil Change Interval
    5000 hours
    Rated Speed
    1000 rpm
    Rotation from Flywheel End
    Counterclockwise
    Stroke
    11.8 in
    Weight - Dry
    58500 lb
    Width
    102.28 in
Air Inlet System
  • Air Cleaners
  • Air cleaner — standard duty Inlet air adapter
Control System
  • ADEM 4
Cooling System
  • ANSI Class 150 4 inch Flange (outlet water connection)
  • ANSI Class 150 6 inch Flange (Inlet Water connection)
  • Engine driven Water pump
  • Water Jacket Outlet Regulator 88° C
Engine Rating
  • Engine rating and speed selection
Exhaust System
  • Hard Heat Sheilded Exhaust Manifolds - SAE Standard
  • Vertical Exhaust Outlet
Flywheel & Flywheel Housing
  • Flywheel including ring gear for starting. SAE Standard
Flywheel and Flywheel Housing
  • Engine Barring Device
Fuel System
  • Fuel Filter
  • Gas Pressure Regulator
General
  • Paint
  • Wood Skid
Instrumentation
  • Basic HMI Engine Interface
Lube System
  • Breathers
  • Closed Crankcase Ventilation System
  • Front and Rear Oil Drains
  • Intermittent Prelube Pump
  • Oil Cooler
  • Oil Cooler
  • Oil Pan
  • Oil Supply line
Mounting System
  • Six Engine Mounting Feet
Power Take-offs
  • Damper and Damper Guard
Protection System
  • Crankcase Explosion Relief Valves
Starting System
  • Air Starting Motor
Telematics System
  • Cat Connect Technology
Cat Connect Technology
  • ANSI Class 150 2 inch Flange ( Customer Connect)
Charging System
  • Alternator
Control System
  • Software Development
Exhaust System
  • Flex EXH Fitting
Fuel System
  • Fuel Connections
Genereal
  • Language Decals
Lube System
  • Lubricating Oil
  • Oil Level Regulator
  • Air or electric motor-driven prelube
  • Duplex oil filter
  • RH service
  • Lube oil makeup system
Mounting System
  • Lifting Eye Exhaust Shield
  • Mounting Plates
  • Mounting plates (set of six)
Service
  • Service Tools
Telematics System
  • Cell - Satellite Radio
Telematics
  • Product Link Extension Harness
Instrumentation
  • LCD display panel
  • Color HMI display
  • Modbus and Ethernet capable
Power Take-Offs
  • Front stub shafts
Starting System
  • Air pressure reducing valve
  • Natural gas starting system
General
  • Engine barring device
  • Damper guard

Download Resources

Site Map Legal Terms Privacy Policy Your Privacy Choices California Collection Notice Cookie Policy
Copyright © 2026 Fabick Cat | All Rights Reserved.

Fabick Cat & Fabick Cat Rentals are not affiliated with Fabick, Inc. Click here for more information.