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 ratings: 2796 bkW (3750 bhp) @ 1000 rpm and Cat G3612 ADEM™4 Gen 2 gas engine with ratings: 2015 bKW (2750bhp) @ 1000 rpm. NSPS site compliant capable.​

Key Specs

  • Maximum Rating 4125 BHP
  • Rated Speed 1000 rpm
  • Emissions Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.3 g and 0.5 g/bhp-hr NOx

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.

Engine Specifications

Maximum Rating 4125BHP
Rated Speed 1000rpm
Emissions Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.3 g and 0.5 g/bhp-hr NOx
Minimum Rating 3750BHP
Compression Ratio Gen 1 (9.2:1) Gen 2 (7:6:1)
Aspiration Turbocharged-Aftercooled
Rotation from Flywheel End Counterclockwise
Displacement 15528in³
Flywheel Teeth 255
Length 195.09in
Oil Change Interval 5000 hours
Ignition, Protection ADEM™4
Stroke 11.8in
Width 102.28in
Bore 11.8in
Height 129.1in
Weight - Dry 58500lb

Capacity for Liquids

Cooling System 194gal (US)
Lube Oil System - Refill 272gal (US)

Standard Equipment

  • 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)

Optional Equipment

  • 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